{"product_id":"square-d-mhl368001426-circuit-breaker","title":"Square D | MHL368001426 | Circuit Breaker | 800A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for demanding electrical systems, the Square D MHL368001426 circuit breaker delivers dependable overcurrent protection for 3-phase networks up to 600 volts. With an 800-amp rating and a three-pole configuration, this device is built for high-load environments where precise protection and rapid response are critical.\u003c\/p\u003e \u003cp\u003ePart of the Square D family, this breaker is best referenced by its part number MHL368001426, ensuring compatibility for maintenance, retrofit, and replacement projects that require exact specifications. Before you order, confirm fit and ratings against your panel’s requirements—the part number is the clearest compatibility signal.\u003c\/p\u003e \u003ch3\u003eWhat makes this model unique\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current protection for 3-phase systems:\u003c\/strong\u003e 800A capacity safeguards large loads and minimizes nuisance trips during surge events.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for balanced distribution:\u003c\/strong\u003e Coordinated protection across all three hot legs in a 3-phase setup.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V rating for industrial environments:\u003c\/strong\u003e Suitable for commercial electrical rooms, service panels, and equipment distributions operating up to 600 volts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM reliability:\u003c\/strong\u003e Square D ensures compatibility with compatible panels and upstream protective devices, reducing mismatch risk during retrofits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance projects to replace aging or failed circuit breakers in 3-phase panels\u003c\/li\u003e \u003cli\u003eRetrofit or upgrade projects to bring systems up to current protection standards\u003c\/li\u003e \u003cli\u003eReplacement in legacy installations where the performance and trip characteristics match existing specifications\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical guidance for installation and compatibility:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering; the MHL368001426 part number is the most reliable reference for compatibility.\u003c\/li\u003e \u003cli\u003eVerify your panel's amperage rating, number of poles, and maximum operating voltage align with 800A, 3-pole, and 600V respectively.\u003c\/li\u003e \u003cli\u003ePlan for proper mounting, wiring terminals, and secure enclosure clearance to maintain safe operation and compliant installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing this Square D circuit breaker provides a dependable, OEM-grade solution that aligns with existing protection schemes and reduces the risk of mismatch in critical power distribution. Whether you’re performing routine maintenance, executing a retrofit, or replacing a failed unit, this 800A, 3-pole, 600V breaker is designed to keep your system protected and downtime to a minimum.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427242660002,"sku":"MHL368001426","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\/square-d-mhl368001426-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}