{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1SAZ421201R1003","brand":"ABB","brandSlug":"abb","productSlug":"1SAZ421201R1003","canonicalUrl":"https://aoctrl.com/abb/1SAZ421201R1003","factsUrl":"https://aoctrl.com/api/mcp/products/1SAZ421201R1003","rawCanonicalId":null},"summary":{"shortDescription":"ABB TA-series solid state overload relay, catalog part 1SAZ421201R1003, listed at 0.34 kg in the Circuit Breakers, Fuses & Protection / Solid State Overload Relays class.","salesMarkdown":"## What you're actually mounting The ABB 1SAZ421201R1003 sits in the TA-series solid state overload relay line, a motor-protection device that lives under a contactor on the din rail and trips the control circuit when running current exceeds the setpoint. It is listed under Circuit Breakers, Fuses & Protection → Relays → Solid State Overload Relays, which is the class most panel builders reach for when a thermal overload isn't precise enough for the motor it's protecting. ## Panel-side fit Solid-state electronics mean there are no heater elements to torque down; terminations are typically cage-clamp on the line/load side and a plug-in control wiring harness to the contactor, so a wireman can land this without disturbing the power wiring beyond the three phase leads. ## Where this class of relay earns its keep Solid state overload relays replace bimetallic thermal units where the application needs tighter trip-class accuracy, phase-loss sensitivity, or a wider current setting range than a heater strip can deliver — typically inverter-fed or reversing-duty motors where a thermal unit drifts with ambient. The TA-series form factor is the ABB-native fit for the corresponding AF-series contactors, so the wiring loom and mechanical link are matched by design rather than improvised in the field.","metaTitle":"ABB 1SAZ421201R1003 Solid State Overload Relay, 0.34 kg","metaDescription":"ABB 1SAZ421201R1003 solid state overload relay from the TA series, listed at 0.34 kg. Sourced to order against an RFQ for control-panel motor protection.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Overload Relays"],"specifications":{"Part #":"1SAZ421201R1003","Weight":"0.34 kgs","Category":"Relays","Sub Category":"Solid State Overload Relays","Top Category":"Circuit Breakers, Fuses & Protection","lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$106.98","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/1SAZ421201R1003/alternatives.json"},"ai":{"faq":[{"question":"What is 1SAZ421201R1003's listed part number on this Solid State Overload Relays line?","answer":"The listed order code is 1SAZ421201R1003, an ABB TA-series solid state overload relay."},{"question":"What is 1SAZ421201R1003's listed weight?","answer":"The listed weight is 0.34 kg."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/abb/1SAZ421201R1003","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/1SAZ421201R1003 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}}