{"product_id":"square-d-ka361251021-circuit-breaker","title":"Square D | KA361251021 | Circuit Breaker | 125A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D KA361251021 circuit breaker is a robust protection device designed for reliable overcurrent protection in commercial and industrial electrical systems. With a 125-amp rating, a 3-pole configuration, and a 600-volt maximum rating, it’s built to handle multi-phase loads safely and consistently.\u003c\/p\u003e \u003cp\u003eDesigned for maintenance, retrofit, and replacement, this unit is the exact part to reference when compatibility matters. The KA361251021 is the best reference for ensuring you’re selecting a breaker that fits your Square D panel and matches your system’s electrical demands.\u003c\/p\u003e \u003ch3\u003eWhy this circuit breaker stands out\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact three-pole protection\u003c\/strong\u003e: Balanced interruption across all three phases, reducing risk of neutral or phase imbalances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e125A capacity\u003c\/strong\u003e: Ideal for mid-range panels and circuits that require strong current handling without unnecessary tripping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e600V rating\u003c\/strong\u003e: Suitable for higher voltage distribution environments, increasing versatility across commercial installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProven Square D engineering\u003c\/strong\u003e: Known for reliable trip performance and compatibility with a wide range of Square D enclosures and accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear compatibility reference\u003c\/strong\u003e: The part number KA361251021 is your definitive guide to fit and ratings—confirm this before ordering to prevent mismatches.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTypical use scenarios include distribution panels in manufacturing lines, large office complexes, or equipment rooms where three-phase power is standard. This breaker can be a drop-in replacement for existing three-pole installations when your system’s requirements align with 125A and 600V, helping minimize downtime during maintenance or retrofit projects.\u003c\/p\u003e \u003cp\u003ePractical tips for installation and use\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify fit first\u003c\/strong\u003e: Before ordering, double-check that the panel accepts a KA361251021-type breaker and that the current rating and voltage align with your circuit’s load and panel rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical safety\u003c\/strong\u003e: Have a qualified electrician perform installation and testing. Ensure main power is isolated and follow all local electrical codes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocumentation\u003c\/strong\u003e: Keep the part reference KA361251021 with your schematics and procurement records to simplify future maintenance or replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn summary, the Square D KA361251021 circuit breaker provides dependable three-pole protection, robust current handling, and clear compatibility reference for hassle-free maintenance and retrofits in voltage up to 600V. It’s the practical, purpose-built choice when you need a trusted 125A, 3-pole solution that fits precise Square D systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426634354850,"sku":"KA361251021","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-ka361251021-circuit-breaker-125a-3-pole-600v-717.webp?v=1789599417","url":"https:\/\/www.ampstate.com\/products\/square-d-ka361251021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}