{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1SVR740831R0400","brand":"ABB","brandSlug":"abb","productSlug":"1SVR740831R0400","canonicalUrl":"https://aoctrl.com/abb/1SVR740831R0400","factsUrl":"https://aoctrl.com/api/mcp/products/1SVR740831R0400","rawCanonicalId":null},"summary":{"shortDescription":"ABB CM-ESS.2P voltage monitoring relay, order code 1SVR740831R0400, lifecycle stage current, estimated lead time 4 - 6 weeks.","salesMarkdown":"## Integration Notes Its two-channel architecture means it can monitor a three-phase supply for phase sequence and loss on one channel while tracking overvoltage on the other — or handle two independent single-phase feeds. The relay output is a changeover contact rated for the usual control-circuit loads (pilot duty, contactor coils, PLC inputs). No special isolation transformer needed; the relay draws its own supply from the monitored voltage, so wiring is straight through the terminals.","metaTitle":"ABB 1SVR740831R0400 CM-ESS.2P Voltage Monitoring Relay, Curr","metaDescription":"ABB 1SVR740831R0400 CM-ESS.2P voltage monitoring relay, lifecycle stage current. Sourced to order against RFQ through independent distribution.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["General Purpose Relays"],"specifications":{"Manufacturer":"ABB","lifecycle_stage":"current","Estimated Lead Time":"4 - 6 weeks."}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$128.00","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/1SVR740831R0400/alternatives.json"},"ai":{"faq":[{"question":"What is the lead time for 1SVR740831R0400?","answer":"The estimated lead time is 4 to 6 weeks. For current availability and pricing, submit an RFQ — we confirm both at quote time."},{"question":"Where can I buy 1SVR740831R0400?","answer":"This relay is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What is the closest alternative to 1SVR740831R0400 in the CM family?","answer":"ABB's CM-ESS.2P family includes several voltage monitoring relays with the same two-channel DIN-rail footprint. The key differentiator among them is the voltage range and the specific monitored parameters (overvoltage, undervoltage, phase sequence, asymmetry). No pin-compatible direct substitute exists without verifying the application voltage and trip thresholds."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/abb/1SVR740831R0400","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/abb/1SVR740831R0400 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}