{"product_id":"abb-s5n-2p-400a-circuit-breaker","title":"ABB | S5N-2P-400A | Circuit Breaker | 400A | 2-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eABB S5N-2P-400A circuit breaker delivers dependable overcurrent protection for demanding industrial power distributions. With a 400 A rating, a 2-pole configuration, and a 600 V nominal rating, this unit is designed to safeguard feeders and critical equipment in manufacturing, facilities, and large electrical panels. It's the go-to choice for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e S5N-2P-400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Maintenance, retrofit, and replacement in panels and switchgear requiring matching specs\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this ABB unit? The S5N-2P-400A pairing is tailored for systems where precise, reliable protection is non‑negotiable. The part number S5N-2P-400A serves as the bestCompatibility reference, so before ordering, confirm fit and ratings against your equipment and panel manufacturer specifications to ensure seamless interchange with existing gear.\u003c\/p\u003e \u003cp\u003eIdeal use scenarios include replacing a failed breaker in a mid- to large-sized distribution panel, upgrading protection for high‑current feeders, or retrofitting older installations to comply with current 600 V system requirements. This model is built to align with ABB’s longstanding performance standards, providing predictable operation and straightforward installation for professionals handling industrial electrical infrastructure.\u003c\/p\u003e \u003cp\u003ePractical notes for installation and selection:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAlways verify that your panel or switchgear supports a 2‑pole device and a 600 V rating for safe, compliant operation.\u003c\/li\u003e \u003cli\u003eCross-check the exact part number (S5N-2P-400A) as the primary reference to ensure mechanical fit and electrical compatibility.\u003c\/li\u003e \u003cli\u003eEngage a qualified electrician to perform installation, and keep panel labeling in sync with the protective device specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46427397357730,"sku":"S5N-2P-400A","price":2796.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/abb-s5n-2p-400a-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}