{"product_id":"siemens-mbkqj3150-circuit-breaker","title":"Siemens | MBKQJ3150 | Circuit Breaker | 150A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens MBKQJ3150 circuit breaker delivers reliable, three-phase protection for demanding electrical installations. Rated at 150 amperes with a 3-pole configuration, this Bolt-On breaker is designed to safeguard 240V distribution systems with precision and ease.\u003c\/p\u003e \u003cul\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\u003c\/strong\u003e: 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: MBKQJ3150\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eDesigned for maintenance, retrofit, and replacement\u003c\/h3\u003e\n\u003cp\u003eWhen panels require updates or a failing unit needs a precise, compatible replacement, the MBKQJ3150 provides a dependable solution. Its design aligns with standard Siemens specifications, making it an ideal choice for projects that demand exact matching performance and clear part identification.\u003c\/p\u003e \u003ch3\u003eWho benefits from this Siemens breaker\u003c\/h3\u003e\n\u003cp\u003eIdeal for commercial and light industrial environments that operate 240V three-phase systems, or any application where a 150A, 3-pole bolt-on breaker is the right fit. Use it to protect feeders, distribution circuits, or main-line sections that require solid, field-replaceable protection with a bolt-on mount.\u003c\/p\u003e \u003ch3\u003eWhat makes MBKQJ3150 stand out\u003c\/h3\u003e\n\u003cp\u003eUnlike generic replacements, this Siemens circuit breaker is keyed to Siemens panels and bus arrangements, reducing the guesswork during retrofits. The bolt-on design provides a secure, vibration-resistant connection and a straightforward installation path for qualified technicians performing maintenance or upgrades.\u003c\/p\u003e \u003ch3\u003eNotes and practical guidance\u003c\/h3\u003e\n\u003cp\u003eNotes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility with your Siemens panel and bus configuration.\u003c\/p\u003e \u003ch3\u003ePractical installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify your panel model supports a 3-pole 150A, 240V bolt-on breaker before purchase.\u003c\/li\u003e \u003cli\u003eMatch the MBKQJ3150 to the panel’s expected mounting method to ensure secure engagement with the bus bars.\u003c\/li\u003e \u003cli\u003eFollow standard electrical safety procedures and Siemens guidelines during installation or replacement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePrepare your panel for reliable, long-lasting protection with the Siemens MBKQJ3150—the precise, purpose-built choice for 150A, 3-Pole, 240V bolt-on circuit protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46424784076962,"sku":"MBKQJ3150","price":4165.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-mbkqj3150-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}