{"product_id":"siemens-b150hh-50a-120v-1-pole-bolt-on-circuit-breaker","title":"Siemens B150HH - 50 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens B150HH is a purpose-built bolt-on molded case circuit breaker designed to protect electrical systems with dependable branch circuit overcurrent and short-circuit protection. At 50 amps and 120 volts, this 1-pole device is engineered for fast, reliable response in a variety of panel configurations.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection, reducing the risk of loose terminations and ensuring consistent protection even in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by combining thermal overload sensing with magnetic fault detection, so your circuits react quickly to short circuits while avoiding nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMolded case design\u003c\/strong\u003e enhances durability and safety, simplifying integration into compatible equipment and reducing wear on both breaker and panelboard over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible compatibility\u003c\/strong\u003e is built to match Siemens load centers and panelboards, ensuring a seamless fit and straightforward replacement in existing systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for residential, commercial, and light industrial installations, making it a practical choice for a wide range of protective needs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow it works: when current exceeds 50A, the thermal element heats and trips under sustained overload, while the magnetic element trips instantly on high fault currents. This dual-action protection minimizes damage to wiring and devices, reduces fire risk, and keeps critical circuits running when safe to do so.\u003c\/p\u003e \u003cp\u003eIdeal use scenarios include protecting branch circuits in home service panels, workshop subpanels, small business electrical rooms, or any installation that relies on a rugged, plug-free bolt-on solution. Pair this breaker with compatible Siemens panelboards for a cohesive protection system that’s easy to install and maintain.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSpecifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: B150HH\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 50A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 120V\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\u003eChoose the Siemens B150HH for a robust, reliable protection solution that delivers precise trip performance, secure mounting, and OEM-compatible integration—built to keep residential spaces, commercial environments, and light industrial setups safely powered.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349746634914,"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_761b73b0-b6c0-43fb-af54-fd40ccc599d1.png?v=1764155782","url":"https:\/\/www.ampstate.com\/products\/siemens-b150hh-50a-120v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}