{"product_id":"westinghouse-rlm3150l-circuit-breaker","title":"Westinghouse | RLM3150L | Circuit Breaker | 150A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse RLM3150L circuit breaker—a purpose-built, three-pole protective device designed to safely interrupt three-phase power in 600V systems. With a 150A rating, this breaker is crafted for reliability in maintenance, retrofit, and replacement projects, helping keep critical equipment and systems protected and operating smoothly.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e RLM3150L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 150A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e maintenance, retrofit, and replacement in compatible panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Westinghouse breaker stands out\u003c\/h3\u003e\n\u003cp\u003eThe RLM3150L is more than a generic replacement. It’s designed to align with Westinghouse panel systems and other panels that specify 3-pole, 600V protection. This ensures consistent performance across your three-phase distribution setup, with a focus on dependable interrupt capability for medium- to large-load circuits such as motors, compressors, and HVAC feeders.\u003c\/p\u003e \u003ch3\u003eUse cases and scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 3-pole, 600V breaker in a three-phase distribution panel to restore circuit protection for critical equipment.\u003c\/li\u003e \u003cli\u003eRetrofit projects where you need to match exact amperage, voltage, and form factor to upgrade or repair existing installations.\u003c\/li\u003e \u003cli\u003eMaintenance planning with a clearly identified part reference to minimize compatibility questions and downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003eAlways confirm fit and ratings before ordering. The part number RLM3150L is the best reference for compatibility with your panel. Review your panel’s documentation and bus configuration to ensure correct fitment and safe operation. When installing, follow standard electrical practices and applicable safety guidelines to ensure secure terminations and reliable performance in 600V three-phase systems.\u003c\/p\u003e \u003cp\u003eFor anyone maintaining or upgrading a 600V three-phase electrical setup, the Westinghouse RLM3150L 150A 3-Pole circuit breaker offers a straightforward, dependable solution that aligns with established panels and protects essential equipment with clear, practical performance in real-world conditions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427400601762,"sku":"RLM3150L","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/westinghouse-rlm3150l-circuit-breaker-150a-3-pole-600v-823.webp?v=1789716671","url":"https:\/\/www.ampstate.com\/products\/westinghouse-rlm3150l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}