{"product_id":"siemens-b170-70a-120v-1-pole-bolt-on-circuit-breaker","title":"Siemens B170 - 70 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens B170, a 70-amp, 120-volt, 1-pole bolt-on molded case circuit breaker designed to deliver dependable overcurrent and short-circuit protection in panelboards and load centers. Built for reliability, this breaker features a secure bolt-on mounting that forms a rigid, vibration-resistant bus connection, and a thermal-magnetic trip unit that provides stable, repeatable protection performance across a range of electrical conditions. Ideal for residential, commercial, and light industrial applications, the B170 plugs into matching OEM load centers for seamless integration.\u003c\/p\u003e \u003ch3\u003eKey advantages\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e: ensures a rigid, vibration-resistant connection to the bus, reducing movement and potential arcing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic protection\u003c\/strong\u003e: combines precise overload and short-circuit triggering for dependable, predictable response.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e1-pole, 70A, 120V\u003c\/strong\u003e: tailored to protect higher-current branch circuits on standard 120-volt systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMolded case construction\u003c\/strong\u003e: rugged housing designed to withstand everyday electrical environments and handling.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM load center compatibility\u003c\/strong\u003e: engineered to work with Siemens matching panelboards and load centers for straightforward replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile across settings\u003c\/strong\u003e: suitable for residential, commercial, and light industrial panel configurations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat it protects and why it matters\u003c\/h3\u003e\n\u003cp\u003eThe B170 guards branch circuits from dangerous overcurrents and short circuits. Its thermal-magnetic trip unit delivers fast, reliable protection when current spikes occur, helping prevent wiring damage, nuisance trips, and potential electrical fires. By selecting a 70A rating, you tailor protection to circuits with higher current demands, such as larger appliances, subpanels, or HVAC feeders, while maintaining safe and efficient operation.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\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 B170\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 70A\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\u003eInstallation and usage tips\u003c\/h3\u003e\n\u003cp\u003eFor optimal performance, ensure your panelboard or load center is compatible with bolt-on B-series breakers and that conductor sizing and enclosure ratings align with 70A protection. Always shut off main power and follow local electrical codes during installation. Adhere to manufacturer guidelines for torque and termination to maintain a secure, long-lasting connection. When in doubt, consult a qualified electrician to confirm proper fit and wiring integrity.\u003c\/p\u003e \u003ch3\u003eWhy choose Siemens B170\u003c\/h3\u003e\n\u003cp\u003eBeyond basic protection, the B170 emphasizes reliability in environments where vibration or movement could affect connections. The bolt-on design minimizes connectivity failures, while the thermal-magnetic trip system delivers consistent, time-proven performance. This combination translates to fewer nuisance trips and improved uptime for critical circuits in homes, offices, and light industrial spaces.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349747028130,"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_99a26006-e7c3-4d29-b52c-4e0d8bafd8ed.png?v=1764155791","url":"https:\/\/www.ampstate.com\/products\/siemens-b170-70a-120v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}