{"product_id":"lsb320400e-circuit-breaker","title":"LSB320400E | Circuit Breaker | 400A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eLSB320400E\u003c\/strong\u003e is a purpose-built industrial circuit breaker designed for reliable protection in maintenance, retrofit, and replacement projects where matching specs matter. With a robust \u003cstrong\u003e400A\u003c\/strong\u003e rating and a \u003cstrong\u003e3-Pole (three-phase)\u003c\/strong\u003e configuration operating at \u003cstrong\u003e240V\u003c\/strong\u003e, this bolt-on device is built to integrate seamlessly into compatible panel systems and feeders.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest reference for compatibility:\u003c\/strong\u003e Part number LSB320400E\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for three-phase electrical environments, the LSB320400E shines in applications like panel upgrades, equipment protection, and service replacements where exact specs are required. Its bolt-on design supports secure mounting in approved enclosures, helping to minimize installation time and downtime during maintenance or retrofit projects.\u003c\/p\u003e \u003cp\u003ePractical tips for use:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways verify fit and ratings against your existing panel or service equipment before ordering.\u003c\/li\u003e \u003cli\u003eUse the part number \u003cstrong\u003eLSB320400E\u003c\/strong\u003e as the primary compatibility reference to avoid mismatches.\u003c\/li\u003e \u003cli\u003eConsider this breaker for protecting three-phase circuits that operate at 240V and require a 400A protective device.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKeep your three-phase distribution protected with a bolt-on solution that’s designed to align with established specifications and replacement workflows. The LSB320400E delivers targeted, dependable protection where it matters most in industrial electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46427246035106,"sku":"LSB320400E","price":510.0,"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\/lsb320400e-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}