{"product_id":"siemens-bq1b02000s01-20a-120v-1-pole-bolt-on-circuit-breaker","title":"Siemens BQ1B02000S01 - 20 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens BQ1B02000S01 is a compact, reliable bolt-on molded case circuit breaker designed to protect residential, commercial, and light industrial circuits. At 20A and 120V, this 1-pole device provides precise overcurrent and short-circuit protection for branch circuits in panelboards and load centers, keeping electrical systems safe and uptime high.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e: secure, vibration-resistant bus connections that stay tight even in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: combines overload protection with fast short-circuit clearing for stable, repeatable protection performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOne-pole, 20A, 120V\u003c\/strong\u003e: a focused protection solution for individual circuits in step with standard residential and light commercial electrical layouts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e: engineered to pair with Siemens matching load centers and panelboards for a cohesive, dependable protection system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e: ideal for branch circuit protection in homes, small offices, retail spaces, and light industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this breaker? The bolt-on design not only simplifies installation but also enhances long-term reliability by delivering a solid, bus-rated connection. The thermal-magnetic trip ensures consistent response to overcurrent while staying resilient to minor electrical fluctuations—so you’re less likely to experience nuisance trips and more likely to protect wiring, devices, and personnel.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eResidential subpanels protecting lighting, receptacle circuits, or dedicated appliance circuits.\u003c\/li\u003e \u003cli\u003eCommercial panelboards powering small office equipment, convenience outlets, or HVAC accessory circuits.\u003c\/li\u003e \u003cli\u003eLight industrial applications where dependable, straightforward overcurrent protection is needed without complex trip coordination.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical details at a glance\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: BQ1B02000S01\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\u003c\/strong\u003e: 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 120V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\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 \u003cp\u003eFor installers and property owners seeking a dependable, easy-to-integrate protection solution, the Siemens BQ1B02000S01 delivers precision protection with rugged, maintenance-friendly construction. Pair it with compatible Siemens load centers to ensure consistent performance across your electrical system and reduce troubleshooting time when circuits are loaded or reconfigured.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349759545506,"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_3eea6a61-9911-4cd3-aaf7-8f609ce6079c.png?v=1764156051","url":"https:\/\/www.ampstate.com\/products\/siemens-bq1b02000s01-20a-120v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}