{"product_id":"siemens-hed42b125l-125a-480v-2-pole-bolt-on-circuit-breaker","title":"Siemens HED42B125L - 125 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HED42B125L — a 125 A, 480 V, 2-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Its secure bolt-on mounting creates a rigid, vibration-resistant bus connection, helping maintain consistent electrical performance even in demanding environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e for a dependable, vibration-resistant bus connection that reduces connection loosening over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection against overcurrent and short-circuit events.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-ready compatibility\u003c\/strong\u003e engineered to work with matching Siemens OEM loadcenters and panelboards, simplifying installation and replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e125 A at 480 V, 2-pole configuration\u003c\/strong\u003e ideal for protecting critical 480 V branch circuits in commercial and light industrial settings.\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: HED42B125L\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 125 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 480 V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\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\u003eThis breaker is a practical choice for professionals who manage panelboards and loadcenters in commercial facilities or light industrial environments where 480-volt distribution is commonplace. The HED42B125L delivers robust protection for essential circuits while maintaining straightforward compatibility with Siemens’ own panel systems, helping you simplify stocking, maintenance, and future replacements.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy choose this Siemens breaker?\u003c\/strong\u003e It pairs a secure mounting method with a reliable thermal-magnetic trip mechanism, ensuring fast, predictable responses to electrical faults while minimizing false trips. Its 2-pole, 125 A design meets the needs of larger branch circuits, and its bolt-on format is built for installations where a solid, vibration-resistant connection matters. When you select the HED42B125L, you’re choosing a focused, purpose-built solution for effective 480 V protection in the spaces that rely on steady, uninterrupted power.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349801193634,"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_7eb2dbc8-c585-4237-beb0-5c43fac7629b.png?v=1764157199","url":"https:\/\/www.ampstate.com\/products\/siemens-hed42b125l-125a-480v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}