{"product_id":"siemens-b150-50a-120v-1-pole-bolt-on-circuit-breaker","title":"Siemens B150 - 50 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens B150 — a rugged, reliable bolt-on molded case circuit breaker engineered for consistent branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. With a 50A, 120V, 1-pole design, it delivers focused protection where you need it most, while the bolt-on mount provides lasting stability in demanding environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting:\u003c\/strong\u003e Delivers a rigid, vibration-resistant bus connection that stays tight through operational conditions, reducing nuisance trips and maintained protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Combines heat and magnetic sensing for stable, repeatable protection performance. It responds quickly to short circuits and correctly tolerates normal inrush, keeping circuits safeguarded without unnecessary interruptions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility:\u003c\/strong\u003e Designed to work with matching Siemens OEM loadcenters and panelboards, simplifying selection, stocking, and replacement in existing installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e1-pole, 50A configuration:\u003c\/strong\u003e Ideal for securing single-circuit protection on feeders or branch circuits that require robust 50-amp protection at 120V in residential, commercial, or light industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e B150\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 50A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 120V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse Cases and Ideal Applications\u003c\/h3\u003e\n\u003cp\u003eWhether you’re upgrading an older panel or wiring a new install, the B150 shines in environments that demand dependable protection with straightforward maintenance. It’s well-suited for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential service panels and subpanels protecting dedicated circuits for major appliances, HVAC, or heavy-load outlets\u003c\/li\u003e \u003cli\u003eCommercial light-duty distributions serving outlets, lighting, and small equipment rooms\u003c\/li\u003e \u003cli\u003eLight industrial panelboards requiring durable, easy-to-service single-pole protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters: a bolt-on design reduces wear on bus connections during installation and service, while the thermal-magnetic trip unit helps prevent nuisance trips and provides reliable protection aligned with real-world load conditions. When you need a trusted, compatible, single-pole solution that pairs cleanly with Siemens panel systems, the B150 delivers.\u003c\/p\u003e \u003cp\u003eFrom AmpState, the Siemens B150 50A circuit breaker offers precise, code-compliant protection that installers and maintenance teams can trust. Built for longevity in panelboards and loadcenters, it’s a practical, targeted solution for safeguarding critical circuits without overcomplicating your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349746569378,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-b150-50-a-120-v-1-pole-bolt-on-circuit-breaker-ampstate-261.webp?v=1788720144","url":"https:\/\/www.ampstate.com\/products\/siemens-b150-50a-120v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}