{"product_id":"siemens-he2b040-circuit-breaker","title":"Siemens | HE2B040 | Circuit Breaker | 40A | 2-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens HE2B040 Circuit Breaker — a precise, durable protection device designed for demanding industrial environments and retrofit projects. With a 40A rating, 2-pole construction, and a 480V maximum, this breaker delivers dependable overload and short-circuit protection where it matters most.\u003c\/p\u003e \u003ch3\u003eKey specs and compatibility\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference part:\u003c\/strong\u003e HE2B040\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest use:\u003c\/strong\u003e maintenance, retrofit, and replacement in compatible Siemens panels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering — the part number is the best reference for panel compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens HE2B040 stands out\u003c\/h3\u003e \u003cp\u003eThe HE2B040 is more than a component — it’s a reliable safeguard for your electrical distribution. The two-pole design ensures simultaneous disconnection of both conductors, reducing arc risk and helping protect connected equipment. The 480V rating makes it ideal for industrial feeders and commercial heavy-duty circuits commonly found in manufacturing lines, data centers, and processing equipment.\u003c\/p\u003e \u003ch3\u003eUse cases and scenarios\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003eReplacing a failed 40A, 2-pole breaker in a 480V panel during routine maintenance.\u003c\/li\u003e\n\u003cli\u003eRetrofit projects where an exact Siemens replacement keeps panel ratings and trip characteristics consistent.\u003c\/li\u003e\n\u003cli\u003eNew installations in equipment racks or switchgear that require robust branch protection at 40A and 480V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for selection and installation\u003c\/h3\u003e \u003cp\u003eTo ensure proper fit, verify the target panel’s model and bus configuration and compare with the HE2B040 specifications. Keep the original part number handy during ordering to avoid mismatches. When handling, follow standard electrical safety practices and consult your panel manufacturer’s installation guidelines for any special bus stabs or mounting requirements.\u003c\/p\u003e \u003cp\u003eWhy settle for generic protection when you can rely on Siemens’ engineered reliability? The HE2B040 is built to withstand industrial duty, maintain stable performance, and simplify maintenance planning by using a clearly defined, widely supported replacement part.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427520008354,"sku":"HE2B040","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-he2b040-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}