{"product_id":"siemens-he63b045","title":"Siemens HE63B045 45A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for robust three-phase protection, the Siemens HE63B045 45A 3-Pole 600 V Circuit Breaker delivers reliable overcurrent protection for commercial and light industrial electrical systems. With a clear specification and trusted Siemens quality, this part is built to safeguard feeders and motors while keeping your electrical panel organized and compliant.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HE63B045\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 45 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e 3-Pole circuit breaker for three-phase protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtecting three-phase feeders in commercial distribution panels and light industrial installations\u003c\/li\u003e \u003cli\u003eGuarding motors and machinery circuits in environments up to 600 V systems\u003c\/li\u003e \u003cli\u003eReplacement or upgrade in Siemens-compatible panels where a 45 A, 3-pole breaker is required\u003c\/li\u003e \u003cli\u003eApplications where reliable, uniform disconnection across all three conductors is essential for safety\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePerformance and reliability\u003c\/h3\u003e\n\u003cp\u003eThe HE63B045 unit leverages Siemens’ established engineering to provide consistent interruption protection for three-phase circuits. Its 45 A rating is ideal for medium-load feeders, helping to prevent damage from short circuits or overloads while minimizing nuisance trips in balanced three-phase systems. The 3-pole design ensures simultaneous disconnection of all live conductors, enhancing safety and simplifying fault isolation in complex electrical layouts.\u003c\/p\u003e \u003ch3\u003eWhy choose this Siemens breaker\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility\u003c\/strong\u003e with Siemens panels and the HE63 series, ensuring straightforward replacement and reliable performance\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear part identification\u003c\/strong\u003e with Part Number HE63B045 for easy ordering, stocking, and cross-reference\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFocused protection\u003c\/strong\u003e designed specifically for three-phase circuits up to 600 V, matching common industrial and commercial systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and safety tips\u003c\/h3\u003e\n\u003cp\u003eFor best results, verify that the installation environment matches the 600 V rating and that the breaker is appropriate for your panel type. Always follow local electrical codes and manufacturer guidelines, and have a qualified electrician perform installation or replacement to ensure proper torque, seating, and secure wiring of all three poles.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423510679714,"sku":"HE63B045","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-he63b045","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}