{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"A16-04-00-81","brand":"ABB","brandSlug":"abb","productSlug":"A16-04-00-81","canonicalUrl":"https://aoctrl.com/abb/A16-04-00-81","factsUrl":"https://aoctrl.com/api/mcp/products/A16-04-00-81","rawCanonicalId":null},"summary":{"shortDescription":"ABB A16-04-00-81 4-pole contactor, 30 A, 24 VAC coil, 690 V rated, across-the-line block style, no auxiliary contacts.","salesMarkdown":"## 30 A across-the-line block — 4 NC poles, 24 VAC coil The ABB A16-04-00-81 is a 4-pole contactor rated 30 A at 440 V, with all four poles configured normally-closed (4NC). The 24 VAC 50/60 Hz coil pulls in the armature to open the NC contacts — so in its de-energized state the load circuit is closed, and powering the coil breaks the circuit. That makes it a fit for fail-safe or interlock schemes where the load must stay connected unless the control signal is actively present. Main power terminals accept 10–18 AWG; the auxiliary terminal range is 18–14 AWG. The contactor is rated for 690 V maximum across the poles, and the across-the-line block construction means no add-on aux contact blocks are fitted — the four poles are the full switching complement. ## End-of-life sourcing — last-time-buy window Because there is no direct pin-compatible successor from ABB, a panel originally built around the A16-04-00-81 will likely need a wiring review if you switch to a different contactor. The 4NC pole configuration and 24 VAC coil are the binding constraints for any substitute.","metaTitle":"ABB A16-04-00-81 Contactor, 30 A, 4 Pole, 24 VAC Coil","metaDescription":"ABB A16-04-00-81 4-pole contactor, 30 A, 24 VAC coil, 690 V rated. EOL hot lifecycle — sourced to order against RFQ. Confirm BOM fit before specifying.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Amps":"30","Type":"Contactor","Poles":"4","title":"A16-04-00-81","description":"A16 4 Pole Contr 4nc 24/50/60|ABB, 4 Pole, 30 Amp, Across The Line Block Contactor With 24v Ac Coil And No Auxiliary Contacts Mp At 440 V; Wire Size: 10 - 18 Awg (main), 18 - 14 Awg (auxiliary); Voltage Rating: 690 V","lifecycle_stage":"eol_hot","Volts AC Control":"24"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$337.95","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/7b0599cc6b7842d0be99baa27a8305eb.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the A16-04-00-81's rated current and coil voltage?","answer":"Rated 30 A at 440 V, 4-pole, with a 24 VAC 50/60 Hz coil. All four poles are normally-closed (4NC). Maximum voltage rating is 690 V."},{"question":"Will the A16-04-00-81 replace a 1SBL136061R2110 without rewiring?","answer":"No. The 1SBL136061R2110 is a 3-pole contactor with all NO contacts and a 24 VDC coil. The A16-04-00-81 has 4 NC poles and a 24 VAC coil. The pole count, contact configuration, and coil voltage are all different — a panel rewire and control-circuit redesign are needed."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/abb/A16-04-00-81","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/A16-04-00-81 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}