{"product_id":"siemens-heb3b125b-125a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens HEB3B125B - 125 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens HEB3B125B is a 3‑pole bolt‑on molded case circuit breaker rated for \u003cstrong\u003e125 A\u003c\/strong\u003e and \u003cstrong\u003e600 V\u003c\/strong\u003e. Designed to safeguard branch circuits in panelboards and loadcenters, this unit delivers dependable protection with a robust, vibration‑resistant connection and a precise thermal‑magnetic trip mechanism.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt‑on mounting\u003c\/strong\u003e: provides a secure, rigid bus connection that resists movement and loosening in demanding electrical environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal‑magnetic trip unit\u003c\/strong\u003e: combines overload and short‑circuit protection with stable, repeatable performance across operating conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3‑pole design\u003c\/strong\u003e for comprehensive line protection in multi‑phase circuits, suitable for 125 A branch protections at 600 V.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e: engineered to fit matching Siemens loadcenters and panelboards, ensuring a clean, reliable retrofit or replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e: ideal for residential service panels, commercial electrical enclosures, and light industrial distribution where solid branch‑circuit protection is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e: with the HEB3B125B, you gain a protective device that stays reliable under vibration, maintains consistent trip characteristics, and integrates seamlessly into Siemens‑equipped panels. It’s a dependable choice when you need precise interruption of fault currents and firm, long‑lasting connections in a compact, bolt‑on format.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: HEB3B125B\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: 600 V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\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\u003eAvailable from AmpState, the Siemens HEB3B125B equips your panel with proven protection you can trust—ready for residential, commercial, and light industrial deployments where reliability and compatibility matter most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349798539426,"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_f4d1b97f-e6b4-409e-8b32-5638189c2f91.png?v=1764157119","url":"https:\/\/www.ampstate.com\/products\/siemens-heb3b125b-125a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}