{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RB1246-1PM01","brand":"Siemens","brandSlug":"siemens","productSlug":"3RB1246-1PM01","canonicalUrl":"https://aoctrl.com/siemens/3RB1246-1PM01","factsUrl":"https://aoctrl.com/api/mcp/products/3RB1246-1PM01","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3RB1246-1PM01 overload relay, 1.25...6.3 A, AC 220-240 V, 50/60 Hz, Size S00/S0, discontinued product.","salesMarkdown":"The 3RB1246-1PM01: The 1.25...6.3 A current range sets the motor FLA it can protect — size the relay so the motor's full-load amps fall within that window. The adjustable trip class (5...30) lets you match the thermal characteristic to the motor's starting profile: Class 5 for short acceleration times (e.g., unloaded conveyors), Class 10 for standard motors, Class 20 or 30 for high-inertia loads like fans or centrifuges. The AC 220...240 V control supply powers the internal electronics and the bistable outputs; ground-fault signaling is built in, so no separate module is needed for earth-leakage detection on the motor circuit. ## Integration Notes The relay clips onto a Size S00 or S0 contactor — no separate DIN-rail adapter required for the individual-mount variant. The screw terminals on the auxiliary circuit accept standard ferruled stranded wire; the main-circuit transformer is internal, so no external CTs. The bistable outputs latch their state on trip, which simplifies remote fault annunciation in a PLC-based panel.","metaTitle":"Siemens 3RB1246-1PM01 Overload Relay, 1.25-6.3 A, Discontinu","metaDescription":"Siemens 3RB1246-1PM01 overload relay, 1.25-6.3 A, AC 220-240 V, 50/60 Hz. Discontinued product; sourced to order against RFQ. Full motor protection, Size S00/S0.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Overload Relays"],"specifications":{"lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=63428&mlfb=3RB1246-1PM01","alternativesUrl":"https://aoctrl.com/api/mcp/products/3RB1246-1PM01/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RB1246-1PM01","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/3RB1246-1PM01 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}}