{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"EHDBCK280-2","brand":"ABB","brandSlug":"abb","productSlug":"EHDBCK280-2","canonicalUrl":"https://aoctrl.com/abb/EHDBCK280-2","factsUrl":"https://aoctrl.com/api/mcp/products/EHDBCK280-2","rawCanonicalId":null},"summary":{"shortDescription":"ABB A-Line, Contact Kit, EHDBCK280-2, 2 Pole Normally Open Contact Kit For EHDB280 Dynamic Braking DC Drive Contactor, 300V Contact Rating.","salesMarkdown":"The ABB EHDBCK280-2 is a 2-pole normally open contact kit designed specifically for the EHDB280 dynamic braking DC drive contactor. It carries a contact rating of 300 V and belongs to the A-Line accessory family. This is the spare or replacement set of main contacts — if the EHDB280 contactor in your DC braking circuit has pitted or welded contacts, this kit is what you swap in without replacing the entire contactor assembly. ## Field-service note On-site swap: the EHDB280 contactor lives inside the dynamic braking circuit of a DC drive cabinet. Before pulling the contact kit, verify the DC-link capacitors have discharged — the braking circuit can hold lethal voltage even with main power off. The two pole NO configuration means both sets of contacts open together; check for free movement of the contact carrier after installation. No special tools beyond a screwdriver and torque wrench for the main terminal bolts.","metaTitle":"ABB EHDBCK280-2 Contact Kit, 2 Pole NO for EHDB280, 300V","metaDescription":"ABB EHDBCK280-2 2-pole normally open contact kit for EHDB280 dynamic braking DC drive contactor. 300V rated. Current lifecycle. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Contactors"],"specifications":{"Type":"Accessories","title":"EHDBCK280-2","description":"Contact Kit|ABB 2 Pole, Normally Open Contact Kit For Ehdb280 Dynamic Braking Dc Drive Contactorwith A Contact Rating Of 300v","Family / Style":"A-Line","lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/3c91ecb6b07abdd2198d63946a4961dd.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the EHDBCK280-2 used for?","answer":"It is a 2-pole normally open contact kit used as a replacement or spare for the ABB EHDB280 dynamic braking DC drive contactor, rated for 300 V."},{"question":"Where can I buy EHDBCK280-2?","answer":"This part 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 EHDBCK280-2?","answer":"No official pin-compatible alternative or successor is listed for this contact kit. It is the dedicated service part for the EHDB280 contactor within the ABB A-Line accessory family."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/abb/EHDBCK280-2","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/EHDBCK280-2 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}}