{"product_id":"siemens-heb3b040b-40a-3p-600v-circuit-breaker","title":"Siemens HEB3B040B 40A 3P 600V Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens HEB3B040B, a robust 40 A, 3-pole, 600 V bolt-on circuit breaker designed for reliable protection in panelboards, load centers, and electrical distribution systems.\u003c\/p\u003e \u003cp\u003eWhether you're upgrading an existing installation, performing a retrofit, or planning maintenance with strict part-number continuity, this unit keeps your service records clean and downtime minimal. The bolt-on mounting offers secure, vibration-resistant attachment in demanding electrical environments.\u003c\/p\u003e \u003ch2\u003eKey specifications and benefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40 A — ideal for protecting feeders and branch circuits in three-phase systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3 — supports three-phase protection in a compact form factor.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V — suitable for industrial and commercial distribution networks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On — provides secure installation and straightforward replacement during maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HEB3B040B — ensures compatibility in Siemens panels and when swapping like-for-like replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and practical scenarios:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where keeping the same part number simplifies procurement, documentation, and compliance.\u003c\/li\u003e \u003cli\u003eMaintenance planning in busy electrical rooms where rapid replacement minimizes downtime.\u003c\/li\u003e \u003cli\u003eProtection of three-phase feeders in panelboards and load centers used in light industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eA three-pole, 40 A breaker with a 600 V rating provides balanced protection for three-phase circuits, reducing the risk of overcurrent and electrical faults spreading across phases.\u003c\/li\u003e \u003cli\u003eThe bolt-on design is easier to secure in standard Siemens-compatible panels, facilitating faster service calls and inventory management.\u003c\/li\u003e \u003cli\u003ePart-number consistency (HEB3B040B) simplifies documentation, ordering, and cross-reference within maintenance programs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eAvailability and support:\u003c\/p\u003e\n\u003cp\u003eAvailable from AmpState. If you need help matching a part number or confirming compatibility with your specific Siemens panelboard or load center, simply message us and we’ll help you confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410989142178,"sku":"HEB3B040B","price":7628.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-heb3b040b-40a-3p-600v-circuit-breaker-bolt-on-ampstate-283.webp?v=1789001016","url":"https:\/\/www.ampstate.com\/products\/siemens-heb3b040b-40a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}