{"product_id":"siemens-b2125h-125a-2p-circuit-breaker","title":"Siemens B2125H 125A 2P Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eProtect critical electrical circuits with the Siemens B2125H 125A 2P Circuit Breaker, Bolt-On. Built for everyday electrical work, this dependable device delivers reliable circuit protection in panelboards, load centers, and distributed electrical systems. The bolt-on design provides a secure, durable connection to the panel rails, making it a trusted choice for installation teams and field service work.\u003c\/p\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDirect-fit two-pole protection\u003c\/strong\u003e in a 125 A rating guards both live conductors, ensuring simultaneous disconnection for multi-wire circuits and enhanced safety during faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-On mounting\u003c\/strong\u003e simplifies installation and reduces wobble or movement over time, helping maintain consistent performance in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact part-number match\u003c\/strong\u003e with part number B2125H, crafted by Siemens for panelboards and load centers that require this specific device.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile use in distribution systems\u003c\/strong\u003e designed to protect feeders and branch circuits in commercial, industrial, and large-residence applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmpState availability\u003c\/strong\u003e ensures you can source this exact model for spare inventory or new builds, with support to confirm fit when needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal applications and use cases\u003c\/h2\u003e\n\u003cp\u003eThis 2-pole 125A bolt-on breaker is ideal for panel builders assembling distribution panels, maintenance teams stocking reliable spare parts, and electricians performing mid-project upgrades where a precise Siemens component is required. Use it to protect high-load circuits, feeder lines, or subpanels where dual-hot conductor protection and quick-on installation are priorities.\u003c\/p\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrong manufacturer:\u003e Siemens\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong part number:\u003e B2125H\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong amperage:\u003e 125 A\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong poles:\u003e 2\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong mounting:\u003e Bolt-On\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong applications:\u003e Panelboards, load centers, electrical distribution\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help confirming compatibility or finding the exact fit for your panel lineup? AmpState offers support to verify part compatibility and ensure the B2125H is the right choice for your project.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410990289058,"sku":"B2125H","price":606.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-b2125h-125a-2p-circuit-breaker-bolt-on-ampstate-breakers-842.webp?v=1789001219","url":"https:\/\/www.ampstate.com\/products\/siemens-b2125h-125a-2p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}