{"product_id":"siemens-he3a040-circuit-breaker","title":"Siemens | HE3A040 | Circuit Breaker | 3-Pole | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HE3A040 is a 3-pole bolt-on circuit breaker built for robust three-phase protection in industrial and commercial panels. Designed for maintenance, retrofit, and replacement tasks where exact specifications matter, this unit delivers reliable interrupting performance with a secure bolt-on mount that stays put in demanding environments.\u003c\/p\u003e \u003ch2\u003eWhat makes HE3A040 stand out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole bolt-on design\u003c\/strong\u003e provides a secure, durable connection for three-phase circuits and simplifies mounting in compatible panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart-number accuracy\u003c\/strong\u003e the HE3A040 is your best reference for fit and compatibility—confirm the match before ordering to avoid downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSiemens reliability\u003c\/strong\u003e built with the brand’s engineering standards to support consistent protection in everyday operation and during fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for lifecycle maintenance\u003c\/strong\u003e ideal for retrofit projects, replacements, and service tasks where exact specs are required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical use cases\u003c\/h2\u003e\n\u003cp\u003eUse the HE3A040 when you need a dependable 3-pole bolt-on breaker in panels that require precise specifications. It’s a smart choice for upgrading aging control panels, replacing a failed unit during scheduled maintenance, or retrofitting equipment to accommodate new three-phase loads. The bolt-on mounting adds stability in environments with vibration or frequent access, helping keep connections firm and service downtime predictable.\u003c\/p\u003e \u003ch2\u003eCompatibility and installation guidance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eConfirm fit and ratings\u003c\/strong\u003e before ordering—the part number HE3A040 is the best compatibility reference. Match it to your panel’s required pole count and electrical specifications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCheck panel documentation\u003c\/strong\u003e to ensure the breaker's mounting style and three-phase configuration align with your system design.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFollow safety best practices\u003c\/strong\u003e when performing retrofit or replacement to minimize downtime and ensure proper enclosure protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor engineers and technicians working within Siemens-based control systems, the HE3A040 delivers a dependable, straightforward solution for 3-phase protection with a bolt-on installation. Its targeted design for maintenance and retrofit scenarios helps you keep critical equipment safeguarded while streamlining panel upgrades and replacements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427519287458,"sku":"HE3A040","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-he3a040-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}