{"product_id":"siemens-he43b070-circuit-breaker","title":"Siemens | HE43B070 | Circuit Breaker | 70A | 3-Pole | 480V | 25kA | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eWhen your industrial electrical system needs reliable, compliant overcurrent protection, the Siemens HE43B070 circuit breaker delivers. This 3-pole, 70-amp device is built for 3-phase 480V networks and handles fault currents up to 25kA, making it a robust choice for demanding environments.\u003c\/p\u003e \u003cp\u003eKey features you can rely on:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 70 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole, three-phase protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting capacity\u003c\/strong\u003e: 25 kA, ensuring rapid fault interruption to protect equipment and personnel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting type\u003c\/strong\u003e: Bolt-On, providing secure, vibration-resistant installation in compatible panels\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number\u003c\/strong\u003e: HE43B070 for precise compatibility tracking\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat makes this Siemens breaker different from generic options lies in its alignment with Siemens switchgear systems and its suitability for retrofits and replacements where exact specifications matter. It's designed for installations where 3-phase protection at 480V is required, and it supports retrofit projects that require matching ratings and bolt-on mounting.\u003c\/p\u003e \u003cp\u003eReal-world use cases:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: Replace a failed 3-pole 480V breaker in an industrial control panel with an exact HE43B070 to minimize downtime.\u003c\/li\u003e \u003cli\u003eRetrofit: Upgrade legacy gear to a Siemens-compatible 3P 480V solution with a 25kA interrupt rating to improve protection against high fault currents.\u003c\/li\u003e \u003cli\u003eReplacement: Maintain consistency in panel design by selecting the exact part number HE43B070 for future service parts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompatibility and installation tips:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering by referencing the part number HE43B070 against your panel's documentation.\u003c\/li\u003e \u003cli\u003eBecause this is a Bolt-On style breaker, ensure your enclosure supports bolt-on mounting and follow proper torque and bus-bar alignment procedures as outlined in the installer manual.\u003c\/li\u003e \u003cli\u003eFor high fault-current environments, the 25kA interrupt rating provides a margin of protection for upstream equipment and wiring.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals who demand reliability and precise matching with Siemens electrical systems, the HE43B070 is a dependable choice for industrial facilities, manufacturing lines, and critical infrastructure that rely on stable 3-phase protection at 480V. If you’re updating or replacing parts, this breaker’s exact specifications and trusted Siemens engineering make it the right fit for ongoing system integrity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46424389386402,"sku":"HE43B070","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-he43b070-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}