{"product_id":"siemens-bqd6145-45a-347v-1-pole-bolt-on-circuit-breaker","title":"Siemens BQD6145 - 45 A, 347 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens BQD6145, a 45A, 347V, 1-pole bolt-on molded-case circuit breaker designed to safeguard each branch circuit in your panelboard or loadcenter. Built for reliable overcurrent and short-circuit protection, this unit is tailor-made for residential, commercial, and light industrial environments where dependable performance matters.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e: a rigid, vibration-resistant bus connection that stays tight in busy electrical rooms and equipment enclosures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: delivers stable, repeatable protection by combining thermal sensing with magnetic fast-trip action for sudden faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e: designed to pair seamlessly with matching Siemens loadcenters and panelboards for consistent fit and operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e: ideal for residential feeder circuits, commercial lighting and power distribution, and light industrial machinery feeds.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart number: BQD6145\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 45 A\u003c\/li\u003e \u003cli\u003eVoltage rating: 347 V\u003c\/li\u003e \u003cli\u003eNumber of poles: 1\u003c\/li\u003e \u003cli\u003eMounting style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eReal-world use and benefits\u003c\/h3\u003e\n\u003cp\u003eIn a residential subpanel, the BQD6145 provides focused protection for a single circuit with a dependable, vibration-resistant mount that resists loosening from equipment start-ups. In commercial settings, it safeguards lighting and receptacle feeders on 347V systems, helping prevent nuisance trips and potential damage from short circuits. For light industrial environments, its thermal-magnetic trip ensures quick response to faults while maintaining stable performance during normal operation.\u003c\/p\u003e \u003cp\u003eWhy choose this breaker? It integrates cleanly into Siemens panel ecosystems, delivering predictable performance, straightforward maintenance, and dependable protection where you need it most—so you can focus on the job at hand, not the electrical knock-on effects of a fault.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349770358946,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_720e82a3-db03-4146-a79d-217947df5afd.png?v=1764156284","url":"https:\/\/www.ampstate.com\/products\/siemens-bqd6145-45a-347v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}