{"product_id":"mqj370kl-circuit-breaker","title":"MQJ370KL | Circuit Breaker | 70A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eThe MQJ370KL circuit breaker is built for demanding industrial environments, delivering dependable protection with a precise, 70A rating in a compact 3-pole, 240V design. Designed for maintenance, retrofit, and replacement projects, this unit ensures your panel continues to run safely and efficiently. The part number MQJ370KL is the clearest reference for compatibility, helping you verify fit quickly and confidently.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 70A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 240V\u003c\/li\u003e \u003cli\u003ePart number: MQJ370KL\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this model stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eExact spec alignment for systems designed around MQJ-series breakers, reducing retrofit complexity and downtime.\u003c\/li\u003e \u003cli\u003eThree-pole configuration optimizes protection for three-phase circuits, providing consistent, coordinated shutoff across the whole machine or line.\u003c\/li\u003e \u003cli\u003eIndustrial-grade reliability tailored for service technicians and facility managers who need a dependable, up-to-date replacement option.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacement in aging or failed 3-phase panels that require 70A, 3-pole protection at 240V.\u003c\/li\u003e \u003cli\u003eRetrofit projects upgrading existing equipment to modern, standardized MQJ-series components.\u003c\/li\u003e \u003cli\u003eMaintenance work in manufacturing, processing, and distribution facilities where quick, accurate compatibility matters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, confirm fit and ratings match your panel’s requirements.\u003c\/li\u003e \u003cli\u003eUse the MQJ370KL part number as the best reference to ensure seamless compatibility with your circuit design.\u003c\/li\u003e \u003cli\u003eDesigned for three-phase electrical systems operating at 240V, making it a straightforward swap in compatible panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIf you’re upgrading maintenance practices, replacing a failed unit, or retrofitting to standard MQJ-series components, the MQJ370KL offers a precise, reliable solution. Its clearly defined 70A, 3-pole, 240V specifications empower you to protect critical equipment with confidence and minimize downtime.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46427475280034,"sku":"MQJ370KL","price":5025.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/mqj370kl-circuit-breaker-70a-3-pole-240v-223.webp?v=1789728378","url":"https:\/\/www.ampstate.com\/products\/mqj370kl-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}