{"product_id":"siemens-hhed63b040-40a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens HHED63B040 - 40 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens HHED63B040\u003c\/strong\u003e is a 40A, 600V, 3-pole bolt-on molded case circuit breaker designed to protect branch circuits in panelboards and load centers. Built for rugged reliability, it delivers dependable overcurrent and short-circuit protection in residential, commercial, and light industrial environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid bus connection that resists vibration and arcing, ensuring consistent protection even in dynamic electrical enclosures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e combines a thermal element for slower overloads with magnetic action for instantaneous response to short circuits, delivering stable, repeatable protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e with matching Siemens panelboards and load centers, enabling seamless integration and reliable performance within existing systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e supports 3-phase circuits common in commercial and light industrial installations, enabling coordinated protection across all phases.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: HHED63B040\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 40 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\u003eWho is this for? Electricians and facility managers upgrading panelboards, installers expanding 3-phase systems, and maintenance teams in light industrial environments. It’s especially effective for feeding 3-phase equipment like motors, conveyors, pumps, HVAC controllers, and commercial lighting networks where reliable, sustained protection matters.\u003c\/p\u003e \u003cp\u003eWhy this matters in real-world use: the bolt-on design yields a sturdier connection than plug-in alternatives, reducing the risk of loose bus bars in vibration-prone or thermally cycled panels. The thermal-magnetic trip delivers predictable response—long-term protection against gradual overloads and immediate action when short circuits occur.\u003c\/p\u003e \u003cp\u003ePractical considerations and usage tips: verify compatibility with your Siemens OEM panelboard, follow torque guidelines for the mounting screws, and pair with matching protection devices to ensure coordinated trip curves. Plan for 3-phase distribution and ensure wiring is appropriate for 600 V operation and 40 A circuits to maximize safety and reliability.\u003c\/p\u003e \u003cp\u003eChoose the Siemens HHED63B040 for a dependable, rugged, 3-pole bolt-on solution that aligns with Siemens panelboards and load centers, delivering precise protection where it’s needed most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349808205986,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hhed63b040-40-a-600-v-3-pole-bolt-on-circuit-breaker-484.webp?v=1788731119","url":"https:\/\/www.ampstate.com\/products\/siemens-hhed63b040-40a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}