{"schema_version":"1.0","dataset":"relays","generated":"2026-09-17","note":"generated is the build date, not a verification date; every record carries its own checked dates","count":6,"site":"https://leisurepowercheck.co.uk","records":[{"id":"durite-0-727-10","brand":"Durite","model":"0-727-10","name":"Durite 0-727-10 12V 100A extra heavy duty make/break relay","aliases":["072710","Durite 100A split charge relay","Durite heavy duty relay 12V 100A"],"official_url":"https://www.durite.co.uk/durite-shop/quality-core-components/relays-and-flashers/make-and-break-relays/60a-100a-x-h-duty-make-break/072710-12v-extra-heavy-duty-ma.html","summary":"Coil-switched (ignition-controlled) make and break relay, 12 volt, 100 amp continuous and 180 amp intermittent, sold in the UK as a split charge relay. Durite's sheet gives coil excitation and dropout voltages but no voltage-sensing thresholds, and no smart-alternator or lithium statement.","type":"relays","rating_a":100,"engage_v":null,"engage_delay_s":null,"disengage_v":null,"disengage_delay_s":null,"smart_alternator_statement":{"published":false,"wording":null},"lithium_statement":{"published":false,"wording":null},"manufacturer_wiring_diagram_url":"https://www.durite.co.uk/amfile/file/download/file/3652/product/3686/","retailers":[],"sources":[{"field_group":"rating_a","url":"https://www.durite.co.uk/amfile/file/download/file/3652/product/3686/","document_title":"Durite Technical Information Sheet Part No. 0-727-10","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Extra heavy duty make and break relay. 12 volt, 100 amp, with bracket. 2 x 6.3mm terminal and 2 x M6 stud.","note":"Specification table: 'Current 100 amp (continuous) 180 amp (intermittant) / Excitation voltage 4.8 volt / Coil dropout voltage 2.3 volt / Coil current 0.34 amp'."},{"field_group":"type","url":"https://www.durite.co.uk/amfile/file/download/file/3652/product/3686/","document_title":"Durite Technical Information Sheet Part No. 0-727-10","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Type Make and break relay","clause":"Specification / Circuit Diagram (terminals 30, 87, 85, 86)"},{"field_group":"engage_v","url":"https://www.durite.co.uk/amfile/file/download/file/3652/product/3686/","document_title":"Durite Technical Information Sheet Part No. 0-727-10","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","absent":true,"note":"No voltage-sensing cut-in/cut-out is published; the relay closes when its coil is energised (excitation voltage 4.8 volt)."},{"field_group":"smart_alternator_statement","url":"https://www.durite.co.uk/amfile/file/download/file/3652/product/3686/","document_title":"Durite Technical Information Sheet Part No. 0-727-10","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","absent":true,"note":"The sheet and the durite.co.uk product page do not use the words split charge, smart alternator or Euro 6."},{"field_group":"lithium_statement","url":"https://www.durite.co.uk/amfile/file/download/file/3652/product/3686/","document_title":"Durite Technical Information Sheet Part No. 0-727-10","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","absent":true},{"field_group":"manufacturer_wiring_diagram_url","url":"https://www.durite.co.uk/amfile/file/download/file/3652/product/3686/","document_title":"Durite Technical Information Sheet Part No. 0-727-10","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Circuit Diagram"}],"gaps":["engage_v","smart_alternator_statement","lithium_statement"],"open_questions":["Durite does not itself call 0-727-10 a split charge relay on the sheet or page read; UK retailers do. No UK retail price seen on 2026-09-16."],"changelog":[{"date":"2026-09-16","field":"seed","new":"record created from the Durite Technical Information Sheet Part No. 0-727-10 and the durite.co.uk product page","source_url":"https://www.durite.co.uk/amfile/file/download/file/3652/product/3686/","detected_by":"seed"}],"last_reviewed":"2026-09-16","first_checked":"2026-09-16","last_checked":"2026-09-16","age_days":1,"stale":false,"unverified":false,"freshness":"verified","freshness_label":"verified 16 September 2026","absences":[{"gap":"engage_v","line":"No published engage voltage found (checked 16 September 2026).","document_title":"Durite Technical Information Sheet Part No. 0-727-10","url":"https://www.durite.co.uk/amfile/file/download/file/3652/product/3686/"},{"gap":"smart_alternator_statement","line":"No published statement on smart or variable-voltage alternators found (checked 16 September 2026).","document_title":"Durite Technical Information Sheet Part No. 0-727-10","url":"https://www.durite.co.uk/amfile/file/download/file/3652/product/3686/"},{"gap":"lithium_statement","line":"No published statement on lithium batteries found (checked 16 September 2026).","document_title":"Durite Technical Information Sheet Part No. 0-727-10","url":"https://www.durite.co.uk/amfile/file/download/file/3652/product/3686/"}],"absence_by_gap":{"engage_v":"No published engage voltage found (checked 16 September 2026).","smart_alternator_statement":"No published statement on smart or variable-voltage alternators found (checked 16 September 2026).","lithium_statement":"No published statement on lithium batteries found (checked 16 September 2026)."},"source_hosts":["durite.co.uk"],"distributor_hosted":false,"evidence_grades":["manufacturer"],"anchor":"#durite-0-727-10"},{"id":"durite-0-727-23","brand":"Durite","model":"0-727-23","name":"Durite 0-727-23 12V 70/20A double contact split charge relay","aliases":["072723","Lucas SRB 630 replacement","Durite split charge relay 70/20 amp"],"official_url":"https://www.durite.co.uk/072723-12v-double-contact-make.html","summary":"Coil-energised double-contact split charge relay rated 70 amp (pin 8) and 20 amp (pin 4) at 12 V, replacing the Lucas SRB 630; Durite marks it discontinued. Not a 100 A relay (that is 0-727-10). No smart-alternator or lithium statement is published.","type":"relays","rating_a":70,"engage_v":null,"engage_delay_s":null,"disengage_v":null,"disengage_delay_s":null,"smart_alternator_statement":{"published":false,"wording":null},"lithium_statement":{"published":false,"wording":null},"manufacturer_wiring_diagram_url":"https://www.durite.co.uk/amfile/file/download/file/3656/product/3699/","retailers":[],"sources":[{"field_group":"rating_a","url":"https://www.durite.co.uk/amfile/file/download/file/3656/product/3699/","document_title":"Durite Technical Information Sheet Part No. 0-727-23","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Split charge relay, 12 volt, 70/20 amp. Isolates fridge circuit separately. 2 x 2.8mm, 1 x 6.3mm and 2 x 9.5mm terminals. Replaces Lucas SRB 630.","note":"Specification table: 'Voltage 9 - 15 volt DC / Current rating 70 amp (pin 8) 20 amp (pin 4)'. rating_a records the 70 amp main contact."},{"field_group":"type","url":"https://www.durite.co.uk/072723-12v-double-contact-make.html","document_title":"12V Double Contact Make/Break Relay - 70/20A (durite.co.uk product page)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Isolates fridge circuit separately. 2 x 2.8mm, 1 x 6.3mm and 2 x 9.5mm terminals. Replaces Lucas SRB 630.","note":"Page status shown as Discontinued. A make/break relay of this type is energised by a switched (ignition/charge-warning) feed rather than by sensing voltage; Durite states no cut-in or cut-out voltage."},{"field_group":"smart_alternator_statement","url":"https://www.durite.co.uk/amfile/file/download/file/3656/product/3699/","document_title":"Durite Technical Information Sheet Part No. 0-727-23","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","absent":true},{"field_group":"lithium_statement","url":"https://www.durite.co.uk/amfile/file/download/file/3656/product/3699/","document_title":"Durite Technical Information Sheet Part No. 0-727-23","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","absent":true},{"field_group":"engage_v","url":"https://www.durite.co.uk/amfile/file/download/file/3656/product/3699/","document_title":"Durite Technical Information Sheet Part No. 0-727-23","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","absent":true,"note":"No voltage-sensing thresholds are published; this is a coil-switched relay."},{"field_group":"manufacturer_wiring_diagram_url","url":"https://www.durite.co.uk/amfile/file/download/file/3656/product/3699/","document_title":"Durite Technical Information Sheet Part No. 0-727-23","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Technical Drawing (not to scale)"}],"gaps":["smart_alternator_statement","lithium_statement","engage_v"],"open_questions":["The task brief described 0-727-23 as a 12V 100A ignition-controlled relay; Durite's own sheet rates it 70/20 amp and the product page marks it discontinued. The 100 A relay is 0-727-10 (separate record).","No UK retail price seen on 2026-09-16; price_band_gbp omitted."],"changelog":[{"date":"2026-09-16","field":"seed","new":"record created from the Durite Technical Information Sheet Part No. 0-727-23 and the durite.co.uk product page","source_url":"https://www.durite.co.uk/amfile/file/download/file/3656/product/3699/","detected_by":"seed"}],"last_reviewed":"2026-09-16","first_checked":"2026-09-16","last_checked":"2026-09-16","age_days":1,"stale":false,"unverified":false,"freshness":"verified","freshness_label":"verified 16 September 2026","absences":[{"gap":"smart_alternator_statement","line":"No published statement on smart or variable-voltage alternators found (checked 16 September 2026).","document_title":"Durite Technical Information Sheet Part No. 0-727-23","url":"https://www.durite.co.uk/amfile/file/download/file/3656/product/3699/"},{"gap":"lithium_statement","line":"No published statement on lithium batteries found (checked 16 September 2026).","document_title":"Durite Technical Information Sheet Part No. 0-727-23","url":"https://www.durite.co.uk/amfile/file/download/file/3656/product/3699/"},{"gap":"engage_v","line":"No published engage voltage found (checked 16 September 2026).","document_title":"Durite Technical Information Sheet Part No. 0-727-23","url":"https://www.durite.co.uk/amfile/file/download/file/3656/product/3699/"}],"absence_by_gap":{"smart_alternator_statement":"No published statement on smart or variable-voltage alternators found (checked 16 September 2026).","lithium_statement":"No published statement on lithium batteries found (checked 16 September 2026).","engage_v":"No published engage voltage found (checked 16 September 2026)."},"source_hosts":["durite.co.uk"],"distributor_hosted":false,"evidence_grades":["manufacturer"],"anchor":"#durite-0-727-23"},{"id":"durite-0-727-33","brand":"Durite","model":"0-727-33","name":"Durite 0-727-33 12V 140A voltage sensitive relay","aliases":["072733","Durite 140A VSR","Durite intelligent split charge relay 12V 140A"],"official_url":"https://www.durite.co.uk/durite-shop/quality-core-components/equipment-and-accessories/charge-splitter-devices-and-re/voltage-sensitive-relay/072733-12v-voltage-sensitive-r.html","summary":"12 V 140 A voltage sensitive relay. Durite publishes a cut-in of 13.3 volt and a cut-out of 12.65 volt (each ±0.1 volt) with a 5 second cut-out delay. Durite's technical information sheet and product page carry no smart-alternator or lithium statement.","type":"relays","rating_a":140,"engage_v":13.3,"engage_delay_s":null,"disengage_v":12.65,"disengage_delay_s":5,"smart_alternator_statement":{"published":false,"wording":null},"lithium_statement":{"published":false,"wording":null},"manufacturer_wiring_diagram_url":"https://www.durite.co.uk/amfile/file/download/file/3658/product/3707/","price_band_gbp":[39.99,39.99],"price_band_checked":"2026-09-16","retailers":[{"merchant":"simply-split-charge","name":"Simply Split Charge","url":"https://simplysplitcharge.co.uk/12v-140amp-durite-0-727-33-voltage-sensitive-relay.html","affiliate":false,"price_gbp":39.99,"price_checked":"2026-09-16","checked":"2026-09-16"}],"sources":[{"field_group":"rating_a","url":"https://www.durite.co.uk/amfile/file/download/file/3658/product/3707/","document_title":"Durite Technical Information Sheet Part No. 0-727-33","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Voltage sensitive relay, 12 volt 140 amp with red LED indicator. Allows split charging of second battery bank without discharging the primary/start battery, relay makes at 13.3 volts and breaks at 12.65 volt."},{"field_group":"engage_v","url":"https://www.durite.co.uk/amfile/file/download/file/3658/product/3707/","document_title":"Durite Technical Information Sheet Part No. 0-727-33","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Cut-in voltage 13.3 volt (±0.1 volt)","clause":"Specification"},{"field_group":"disengage_v","url":"https://www.durite.co.uk/amfile/file/download/file/3658/product/3707/","document_title":"Durite Technical Information Sheet Part No. 0-727-33","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Cut-out voltage 12.65 volt (±0.1 volt) / Cut-out time delay 5 seconds","clause":"Specification","note":"Additional information: 'A 5 second delay operates when the voltage falls below the cut-out voltage to prevent nuisance cut-out due to high intermittant loads on the battery.'"},{"field_group":"smart_alternator_statement","url":"https://www.durite.co.uk/amfile/file/download/file/3658/product/3707/","document_title":"Durite Technical Information Sheet Part No. 0-727-33","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","absent":true,"note":"Neither the technical information sheet nor the durite.co.uk product page mentions smart alternators, regenerative braking or Euro 6. Durite publishes such wording only for its 0-727-43 Smart Programmable VSR (separate record)."},{"field_group":"lithium_statement","url":"https://www.durite.co.uk/amfile/file/download/file/3658/product/3707/","document_title":"Durite Technical Information Sheet Part No. 0-727-33","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","absent":true},{"field_group":"manufacturer_wiring_diagram_url","url":"https://www.durite.co.uk/amfile/file/download/file/3658/product/3707/","document_title":"Durite Technical Information Sheet Part No. 0-727-33","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Terminals See diagram","clause":"Specification / Technical Drawing (not to scale)"},{"field_group":"price_band_gbp","url":"https://simplysplitcharge.co.uk/12v-140amp-durite-0-727-33-voltage-sensitive-relay.html","document_title":"Simply Split Charge product page","checked":"2026-09-16","evidence":"secondary","hosted_by":"other","quote":"£39.99 GBP"}],"gaps":["smart_alternator_statement","lithium_statement"],"open_questions":["durite.co.uk shows prices only to logged-in trade accounts; the price band rests on one retailer page."],"changelog":[{"date":"2026-09-16","field":"seed","new":"record created from the Durite Technical Information Sheet Part No. 0-727-33 and the durite.co.uk product page","source_url":"https://www.durite.co.uk/amfile/file/download/file/3658/product/3707/","detected_by":"seed"}],"last_reviewed":"2026-09-16","first_checked":"2026-09-16","last_checked":"2026-09-16","age_days":1,"stale":false,"unverified":false,"freshness":"verified","freshness_label":"verified 16 September 2026","absences":[{"gap":"smart_alternator_statement","line":"No published statement on smart or variable-voltage alternators found (checked 16 September 2026).","document_title":"Durite Technical Information Sheet Part No. 0-727-33","url":"https://www.durite.co.uk/amfile/file/download/file/3658/product/3707/"},{"gap":"lithium_statement","line":"No published statement on lithium batteries found (checked 16 September 2026).","document_title":"Durite Technical Information Sheet Part No. 0-727-33","url":"https://www.durite.co.uk/amfile/file/download/file/3658/product/3707/"}],"absence_by_gap":{"smart_alternator_statement":"No published statement on smart or variable-voltage alternators found (checked 16 September 2026).","lithium_statement":"No published statement on lithium batteries found (checked 16 September 2026)."},"source_hosts":["durite.co.uk","simplysplitcharge.co.uk"],"distributor_hosted":false,"evidence_grades":["manufacturer","secondary"],"anchor":"#durite-0-727-33"},{"id":"durite-0-727-43","brand":"Durite","model":"0-727-43","name":"Durite 0-727-43 12V 200A Smart Programmable Voltage Sensitive Relay","aliases":["072743","Durite Smart Relay 200A","Durite smart programmable VSR"],"official_url":"https://www.durite.co.uk/072743-12v-smart-programmable.html","summary":"12 V 200 A voltage sensitive relay that Durite states is designed for vehicles with smart alternators and regenerative braking systems, with 9 selectable programmes and a manual override. Durite's leaflet publishes no cut-in or cut-out voltage for any programme and no lithium statement.","type":"relays","rating_a":200,"engage_v":null,"engage_delay_s":null,"disengage_v":null,"disengage_delay_s":null,"smart_alternator_statement":{"published":true,"wording":"The Durite Smart Relay has been designed to be used with the latest range of vehicles fitted with smart alternators and regenerative braking systems. In addition, there are 9 available programmes allowing the user to set the charging/protection voltages to suit their requirements."},"lithium_statement":{"published":false,"wording":null},"manufacturer_wiring_diagram_url":"https://www.durite.co.uk/amfile/file/download/file/3662/product/3713/","retailers":[],"sources":[{"field_group":"rating_a","url":"https://www.durite.co.uk/amfile/file/download/file/3662/product/3713/","document_title":"200A Smart Programmable Voltage Sensitive Relay Part 0-727-43 (leaflet 0-727-43-LEAF)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Nominal Voltage 12V / Maximum Voltage 16.5V / Voltage Sensing Primary Battery Only / Maximum Current 200A / Standby Current 2mA","clause":"SPECIFICATION"},{"field_group":"smart_alternator_statement","url":"https://www.durite.co.uk/amfile/file/download/file/3662/product/3713/","document_title":"200A Smart Programmable Voltage Sensitive Relay Part 0-727-43 (leaflet 0-727-43-LEAF)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"The Durite Smart Relay has been designed to be used with the latest range of vehicles fitted with smart alternators and regenerative braking systems.","clause":"GENERAL","note":"Product page wording: '12 volt 200 amp relay designed to be used with the latest range of vehicles fitted with smart alternators and regenerative braking systems. With 9 programmes and override function.'"},{"field_group":"engage_v","url":"https://www.durite.co.uk/amfile/file/download/file/3662/product/3713/","document_title":"200A Smart Programmable Voltage Sensitive Relay Part 0-727-43 (leaflet 0-727-43-LEAF)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","absent":true,"note":"The leaflet describes how to select programmes 1-9 but publishes no voltage value for any programme."},{"field_group":"disengage_v","url":"https://www.durite.co.uk/amfile/file/download/file/3662/product/3713/","document_title":"200A Smart Programmable Voltage Sensitive Relay Part 0-727-43 (leaflet 0-727-43-LEAF)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","absent":true},{"field_group":"lithium_statement","url":"https://www.durite.co.uk/amfile/file/download/file/3662/product/3713/","document_title":"200A Smart Programmable Voltage Sensitive Relay Part 0-727-43 (leaflet 0-727-43-LEAF)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","absent":true},{"field_group":"manufacturer_wiring_diagram_url","url":"https://www.durite.co.uk/amfile/file/download/file/3662/product/3713/","document_title":"200A Smart Programmable Voltage Sensitive Relay Part 0-727-43 (leaflet 0-727-43-LEAF)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"DIMENSIONAL DRAWING","note":"The leaflet's INSTALLATION INSTRUCTIONS section names terminals 30, 87, 85 and 86; the site links the leaflet and reproduces no wiring."}],"gaps":["engage_v","disengage_v","lithium_statement"],"open_questions":["Ask Durite for the voltage values of programmes 1-9; the leaflet omits them.","No UK retail price seen on 2026-09-16; durite.co.uk prices are login-gated."],"changelog":[{"date":"2026-09-16","field":"seed","new":"record created from the Durite 0-727-43 leaflet and the durite.co.uk product page","source_url":"https://www.durite.co.uk/amfile/file/download/file/3662/product/3713/","detected_by":"seed"}],"last_reviewed":"2026-09-16","first_checked":"2026-09-16","last_checked":"2026-09-16","age_days":1,"stale":false,"unverified":false,"freshness":"verified","freshness_label":"verified 16 September 2026","absences":[{"gap":"engage_v","line":"No published engage voltage found (checked 16 September 2026).","document_title":"200A Smart Programmable Voltage Sensitive Relay Part 0-727-43 (leaflet 0-727-43-LEAF)","url":"https://www.durite.co.uk/amfile/file/download/file/3662/product/3713/"},{"gap":"disengage_v","line":"No published disengage voltage found (checked 16 September 2026).","document_title":"200A Smart Programmable Voltage Sensitive Relay Part 0-727-43 (leaflet 0-727-43-LEAF)","url":"https://www.durite.co.uk/amfile/file/download/file/3662/product/3713/"},{"gap":"lithium_statement","line":"No published statement on lithium batteries found (checked 16 September 2026).","document_title":"200A Smart Programmable Voltage Sensitive Relay Part 0-727-43 (leaflet 0-727-43-LEAF)","url":"https://www.durite.co.uk/amfile/file/download/file/3662/product/3713/"}],"absence_by_gap":{"engage_v":"No published engage voltage found (checked 16 September 2026).","disengage_v":"No published disengage voltage found (checked 16 September 2026).","lithium_statement":"No published statement on lithium batteries found (checked 16 September 2026)."},"source_hosts":["durite.co.uk"],"distributor_hosted":false,"evidence_grades":["manufacturer"],"anchor":"#durite-0-727-43"},{"id":"victron-cyrix-ct-12-24-120","brand":"Victron Energy","model":"Cyrix-ct 12/24-120","name":"Victron Energy Cyrix-ct 12/24V 120A intelligent battery combiner","aliases":["CYR010120011","Cyrix-ct 120A","Cyrix ct 12/24-120"],"official_url":"https://www.victronenergy.com/battery-isolators-and-combiners/cyrix-battery-combiners","summary":"Microprocessor-controlled bidirectional voltage-sensing combiner rated 120 A continuous. Victron publishes connect and disconnect bands with trend-dependent delays (connect 13 V to 13,8 V, disconnect 11 V to 12,8 V at 12 V), not single thresholds. No smart-alternator or lithium statement.","type":"relays","rating_a":120,"engage_v":13,"engage_delay_s":null,"disengage_v":12.8,"disengage_delay_s":null,"smart_alternator_statement":{"published":false,"wording":null},"lithium_statement":{"published":false,"wording":null},"manufacturer_wiring_diagram_url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-ct-120A-230A-EN.pdf","price_band_gbp":[42.3,42.3],"price_band_checked":"2026-09-16","retailers":[{"merchant":"12-volt-planet","name":"12 Volt Planet","url":"https://www.12voltplanet.co.uk/victron-cyrix-ct-voltage-sensitive-relay-battery-combiner-1224v-120a.html","affiliate":false,"price_gbp":42.3,"price_checked":"2026-09-16","checked":"2026-09-16"}],"sources":[{"field_group":"rating_a","url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-ct-120A-230A-EN.pdf","document_title":"Cyrix-ct 12/24 V 120 A and 230 A (datasheet)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Cyrix-ct 12/24-120 ... Continuous current 120 A / Cranking rating (5 seconds) 180 A","clause":"Specification table"},{"field_group":"engage_v","url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-ct-120A-230A-EN.pdf","document_title":"Cyrix-ct 12/24 V 120 A and 230 A (datasheet)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Connect voltage From 13 V to 13,8 V and 26 to 27,6 V with intelligent trend detection","clause":"Specification table","note":"Approximate connect delay table: 'V \u003c 13 V Remains open; 13,0 V \u003c V \u003c 13,2 V 10 min; 13,2 V \u003c V \u003c 13,4 V 5 min; 13,4 V \u003c V \u003c 13,6 V 1 min; 13,6 V \u003c V \u003c 13,8 V 4 sec' (multiply by two for a 24 V system). engage_v records the lowest connect level; the delay is voltage-dependent so engage_delay_s is left null."},{"field_group":"disengage_v","url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-ct-120A-230A-EN.pdf","document_title":"Cyrix-ct 12/24 V 120 A and 230 A (datasheet)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Disconnect voltage From 11 V to 12,8 V and 22 to 25,7 V with intelligent trend detection","clause":"Specification table","note":"Approximate disconnect delay table: 'V \u003c 11 V 0 sec; 11,0 V \u003c V \u003c 12,0 V 1 sec; 12,0 V \u003c V \u003c 12,2 V 10 sec; 12,2 V \u003c V \u003c 12,4 V 30 sec; 12,4 V \u003c V \u003c 12,8 V 3 min; > 12,8 V remains closed; > 16 V over voltage disconnect'. disengage_v records the highest disconnect level."},{"field_group":"type","url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-ct-120A-230A-EN.pdf","document_title":"Cyrix-ct 12/24 V 120 A and 230 A (datasheet)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Bidirectional voltage sensing and power supply from both batteries. The Cyrix senses the voltage of both connected batteries. It will therefore also engage if for example the accessory battery is being charged by a battery charger."},{"field_group":"smart_alternator_statement","url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-ct-120A-230A-EN.pdf","document_title":"Cyrix-ct 12/24 V 120 A and 230 A (datasheet)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","absent":true,"note":"Neither the datasheet nor the manual (Manual-Cyrix-ct-120-EN-NL-DE-FR-ES.pdf, Rev 05, 08-06-2022) mentions smart, variable-voltage or Euro 6 alternators."},{"field_group":"lithium_statement","url":"https://www.victronenergy.com/upload/documents/Manual-Cyrix-ct-120-EN-NL-DE-FR-ES.pdf","document_title":"Cyrix-ct 12/24V and 24/48 -120A intelligent battery combiner (manual)","document_date":"2022-06-08","document_edition":"Rev 05","checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","absent":true,"note":"No lithium or Li-ion wording in the Cyrix-ct datasheet or manual. Victron's separate Cyrix Li-ion datasheet covers the Cyrix-Li-ct, recorded as its own record."},{"field_group":"manufacturer_wiring_diagram_url","url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-ct-120A-230A-EN.pdf","document_title":"Cyrix-ct 12/24 V 120 A and 230 A (datasheet)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Cyrix-ct 12/24-120: connection diagram","clause":"Page 2"},{"field_group":"price_band_gbp","url":"https://www.12voltplanet.co.uk/victron-cyrix-ct-voltage-sensitive-relay-battery-combiner-1224v-120a.html","document_title":"12 Volt Planet product page","checked":"2026-09-16","evidence":"secondary","hosted_by":"other","quote":"£42.30"}],"gaps":["smart_alternator_statement","lithium_statement"],"open_questions":["Datasheet carries no edition date; record one if a dated revision appears."],"changelog":[{"date":"2026-09-16","field":"seed","new":"record created from the Cyrix-ct 12/24 V 120 A and 230 A datasheet and the Cyrix-ct 120 manual Rev 05","source_url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-ct-120A-230A-EN.pdf","detected_by":"seed"}],"last_reviewed":"2026-09-16","first_checked":"2026-09-16","last_checked":"2026-09-16","age_days":1,"stale":false,"unverified":false,"freshness":"verified","freshness_label":"verified 16 September 2026","absences":[{"gap":"smart_alternator_statement","line":"No published statement on smart or variable-voltage alternators found (checked 16 September 2026).","document_title":"Cyrix-ct 12/24 V 120 A and 230 A (datasheet)","url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-ct-120A-230A-EN.pdf"},{"gap":"lithium_statement","line":"No published statement on lithium batteries found (checked 16 September 2026).","document_title":"Cyrix-ct 12/24V and 24/48 -120A intelligent battery combiner (manual)","url":"https://www.victronenergy.com/upload/documents/Manual-Cyrix-ct-120-EN-NL-DE-FR-ES.pdf"}],"absence_by_gap":{"smart_alternator_statement":"No published statement on smart or variable-voltage alternators found (checked 16 September 2026).","lithium_statement":"No published statement on lithium batteries found (checked 16 September 2026)."},"source_hosts":["victronenergy.com","12voltplanet.co.uk"],"distributor_hosted":false,"evidence_grades":["manufacturer","secondary"],"anchor":"#victron-cyrix-ct-12-24-120"},{"id":"victron-cyrix-li-ct-12-24-120","brand":"Victron Energy","model":"Cyrix-Li-ct 12/24-120","name":"Victron Energy Cyrix-Li-ct 12/24V 120A lithium battery combiner","aliases":["CYR010120412","Cyrix Li-ct 120A","Cyrix-Li-ct"],"official_url":"https://www.victronenergy.com/battery-isolators-and-combiners/cyrix-battery-combiners","summary":"120 A combiner for a lead-acid starter battery and a Victron LiFePO4 battery, controlled by the VE.Bus BMS charge-disconnect output. Victron publishes engage at 13,4 V or more (120 s in the 13,4-13,7 V band) and immediate disengage below 13,2 V or when the BMS control input floats. No smart-alternator statement.","type":"relays","rating_a":120,"engage_v":13.4,"engage_delay_s":120,"disengage_v":13.2,"disengage_delay_s":0,"smart_alternator_statement":{"published":false,"wording":null},"lithium_statement":{"published":true,"wording":"The functionality of the Cyrix-Li-ct is analogous to the Cyrix-ct. The Cyrix-Li-ct will parallel connect a lead acid starter battery and a LiFePO4 battery: - if the Charge Disconnect output of the VE.Bus BMS is high, and - if it senses 13,4V (resp. 26,8V) or more on one of its power terminals. The Cyrix will disengage immediately: - when its control output becomes free floating, signalling cell over voltage or cell over temperature, and/or - when battery voltage drops below 13,2V."},"manufacturer_wiring_diagram_url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-Li-ion-120-A-EN.pdf","retailers":[],"sources":[{"field_group":"rating_a","url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-Li-ion-120-A-EN.pdf","document_title":"Cyrix Li-ion 120 A series (datasheet)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Cyrix-Li-ct 12/24-120 ... Continuous current and breaking capacity at 12V or 24V 120A","clause":"Specification table"},{"field_group":"engage_v","url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-Li-ion-120-A-EN.pdf","document_title":"Cyrix Li-ion 120 A series (datasheet)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"if it senses 13,4V (resp. 26,8V) or more on one of its power terminals","clause":"Cyrix-Li-ct","note":"Connect delay table (12V system): '13,4V \u003c V \u003c 13,7V: 120 s; 13,7V \u003c V \u003c 13,9V: 30 s; V > 13,9V: 4 s'. engage_delay_s records the longest published delay."},{"field_group":"disengage_v","url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-Li-ion-120-A-EN.pdf","document_title":"Cyrix Li-ion 120 A series (datasheet)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"when battery voltage drops below 13,2V","clause":"Cyrix-Li-ct","note":"Disconnect delay table (12V system): '13,3V \u003c V \u003c 13,2V: 10 s; V \u003c 13,2V: immediate'."},{"field_group":"lithium_statement","url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-Li-ion-120-A-EN.pdf","document_title":"Cyrix Li-ion 120 A series (datasheet)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"The Cyrix-Li-ct will parallel connect a lead acid starter battery and a LiFePO4 battery: - if the Charge Disconnect output of the VE.Bus BMS is high, and - if it senses 13,4V (resp. 26,8V) or more on one of its power terminals.","clause":"Cyrix-Li-ct","note":"Datasheet preamble: 'The VE.Bus BMS is the core of the second protection line. However, not all loads or chargers can be controlled directly by the VE.Bus BMS. In order to shut down such loads or chargers several VE.Bus BMS controllable Cyrix switches are available.'"},{"field_group":"smart_alternator_statement","url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-Li-ion-120-A-EN.pdf","document_title":"Cyrix Li-ion 120 A series (datasheet)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","absent":true,"note":"No smart, variable-voltage or Euro 6 alternator wording in the Cyrix Li-ion 120 A datasheet."},{"field_group":"manufacturer_wiring_diagram_url","url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-Li-ion-120-A-EN.pdf","document_title":"Cyrix Li-ion 120 A series (datasheet)","document_date":null,"checked":"2026-09-16","evidence":"manufacturer","hosted_by":"manufacturer","quote":"Connection diagrams ... Cyrix-Li-ct","clause":"Page 2"}],"gaps":["smart_alternator_statement"],"open_questions":["Could not be read (404) on 2026-09-16: https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-Li-ct-EN.pdf; the Cyrix Li-ion 120 A series datasheet was used instead.","No GBP price seen on a UK retailer page on 2026-09-16; price_band_gbp omitted."],"changelog":[{"date":"2026-09-16","field":"seed","new":"record created from the Cyrix Li-ion 120 A series datasheet","source_url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-Li-ion-120-A-EN.pdf","detected_by":"seed"}],"last_reviewed":"2026-09-16","first_checked":"2026-09-16","last_checked":"2026-09-16","age_days":1,"stale":false,"unverified":false,"freshness":"verified","freshness_label":"verified 16 September 2026","absences":[{"gap":"smart_alternator_statement","line":"No published statement on smart or variable-voltage alternators found (checked 16 September 2026).","document_title":"Cyrix Li-ion 120 A series (datasheet)","url":"https://www.victronenergy.com/upload/documents/Datasheet-Cyrix-Li-ion-120-A-EN.pdf"}],"absence_by_gap":{"smart_alternator_statement":"No published statement on smart or variable-voltage alternators found (checked 16 September 2026)."},"source_hosts":["victronenergy.com"],"distributor_hosted":false,"evidence_grades":["manufacturer"],"anchor":"#victron-cyrix-li-ct-12-24-120"}]}