{"product_id":"siemens-b120hh-20a-120v-1-pole-bolt-on-circuit-breaker","title":"Siemens B120HH - 20 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens B120HH, a reliable 20 A, 120 V, 1-pole bolt-on molded case circuit breaker designed to safeguard your electrical system. Built for dependable branch circuit overcurrent and short-circuit protection, it slots seamlessly into panelboards and load centers, delivering steadfast performance in homes, small offices, and light industrial setups. Available through AmpState, this breaker is trusted by professionals for durable, long-term service.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e allows a rigid, vibration-resistant bus connection, helping maintain consistent protection even in environments with equipment vibration or movement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by combining thermal overload sensing with fast magnetic response to short circuits, reducing nuisance trips and enhancing safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is intended to work with matching Siemens OEM load centers and panelboards, ensuring a clean fit and reliable operation when upgrading or expanding your panel.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e ideal for residential, commercial, and light industrial installations that require compact, dependable circuit protection for individual branch circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe Siemens B120HH is a \u003cstrong\u003eone-pole, 20-amp, 120-volt\u003c\/strong\u003e thermal-magnetic molded case circuit breaker built for straightforward, durable protection. Its bolt-on mounting and robust bus connection minimize vibration-induced wear, helping extend the life of your panel while maintaining precision protection against overloads and short circuits.\u003c\/p\u003e \u003ch3\u003eWhy choose the Siemens B120HH for your panel?\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact fit for compatible panelboards\u003c\/strong\u003e ensures dependable operation when integrated into Siemens OEM load centers and panelboards, simplifying maintenance and future upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear protection you can rely on\u003c\/strong\u003e with a trip unit engineered to respond quickly to short circuits and moderate overloads, helping protect wiring, devices, and loads from damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, efficient design\u003c\/strong\u003e suits commercial spaces, residential basements, or light industrial rooms where space is at a premium but protection remains critical.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: B120HH\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 20 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 120 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 \u003cp\u003eWhether you're replacing a failing breaker, upgrading a panel, or expanding a system, the Siemens B120HH delivers precise protection with a straightforward installation path. Its bolt-on design and compatibility with Siemens OEM load centers ensure a dependable, long-lasting solution for safeguarding circuits in a variety of settings. If you’re aiming for solid, predictable performance in a compact package, this 20 A, 120 V, 1-pole bolt-on breaker is a practical, trusted choice.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349744242850,"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_6a3ff696-51b0-4480-87e4-047d78271a24.png?v=1764155750","url":"https:\/\/www.ampstate.com\/products\/siemens-b120hh-20a-120v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}