{"product_id":"siemens-he43b025-circuit-breaker","title":"Siemens | HE43B025 | Circuit Breaker | 25A | 3-Pole | 480V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HE43B025 circuit breaker — a rugged 25A, 3-pole protection device designed for demanding 480V three-phase power systems. This bolt-on model is tailored for maintenance, retrofit, and replacement projects where precise compatibility and reliable overcurrent protection are essential, keeping critical equipment online with minimal downtime.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAmperage: 25A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 480V\u003c\/li\u003e \u003cli\u003eMounting: Bolt-On\u003c\/li\u003e \u003cli\u003ePart Number: HE43B025\u003c\/li\u003e \u003cli\u003eType: Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 25A, 3-Pole 480V bolt-on breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree-phase protection: The 3-pole design interrupts all phases simultaneously, safeguarding motors, drives, and other 480V equipment from overcurrent conditions.\u003c\/li\u003e \u003cli\u003eSecure bolt-on mounting: Built for panels and enclosures that require a robust, field-serviceable mounting solution, reducing vibration-related wear and ensuring dependable operation in demanding environments.\u003c\/li\u003e \u003cli\u003eExact compatibility with Siemens inventories: The HE43B025 reference aligns with specific panel configurations, streamlining part replacement and minimizing guesswork during repairs.\u003c\/li\u003e \u003cli\u003eClear identification for maintenance: The part number HE43B025 provides a definitive match for retrofit and stock-keeping, helping technicians source the correct component quickly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a worn or failed breaker in 480V three-phase distribution panels\u003c\/li\u003e \u003cli\u003eRetrofits and upgrades where 25A protection is required for balanced three-phase loads\u003c\/li\u003e \u003cli\u003eMaintenance planning for industrial facilities, manufacturing lines, and process equipment that rely on reliable Siemens protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility \u0026amp; ordering guidance\u003c\/h3\u003e\n\u003cp\u003eTo ensure a correct fit, verify that your equipment requires a 25A, 3-Pole, 480V bolt-on circuit breaker. The part number HE43B025 is the most reliable reference for compatibility—use it when checking schematics, panel catalogs, or supplier listings. If in doubt, cross-reference with your existing Siemens breaker family to confirm mounting style and electrical ratings align with your panel.\u003c\/p\u003e \u003ch3\u003eInstallation considerations and best practices\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrioritize safety: disconnect power and follow all local electrical codes and manufacturer guidelines during installation or replacement.\u003c\/li\u003e \u003cli\u003eCheck alignment: ensure the breaker aligns properly with bus bars and mounting points to prevent uneven contact or mounting strain.\u003c\/li\u003e \u003cli\u003eTorque and conductors: secure connections according to panel specifications and use appropriately rated conductors for 480V systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426678493346,"sku":"HE43B025","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-he43b025-circuit-breaker-25a-3-pole-480v-bolt-100.webp?v=1789603266","url":"https:\/\/www.ampstate.com\/products\/siemens-he43b025-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}