{"product_id":"siemens-hnx3b800-circuit-breaker","title":"Siemens | HNX3B800 | Circuit Breaker | 800A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003ch2\u003eSiemens HNX3B800 — 800A, 3-Pole, 600V Bolt-On Circuit Breaker\u003c\/h2\u003e\n\u003cp\u003eThe Siemens HNX3B800 circuit breaker is your go-to solution for reliable, high-capacity protection in demanding electrical distributions. Designed for maintenance, retrofit, and replacement projects, this 800A, 3-pole unit delivers solid performance where exact ratings and compatibility matter most.\u003c\/p\u003e \u003ch3\u003eKey features at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 800 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e Part number HNX3B800 for precise compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens HNX3B800 stands out\u003c\/h3\u003e\n\u003cp\u003eBuilt by Siemens, this bolt-on circuit breaker combines rugged construction with dependable protection for three-phase 600V systems. The 800A rating makes it well-suited for feeder circuits, main distribution panels, or service entrances in industrial facilities and large commercial operations. Its bolt-on design supports straightforward field installation and replacement when panels are configured for bolt-on devices, reducing downtime during critical maintenance windows.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit or replace aging 800A, 3-pole breakers in industrial control panels\u003c\/li\u003e \u003cli\u003eUpgrade electrical distribution to meet current safety and protection standards\u003c\/li\u003e \u003cli\u003eInstall in new or existing 600V, three-phase systems that require robust overcurrent protection\u003c\/li\u003e \u003cli\u003eMaintenance projects in manufacturing facilities, data centers, and large commercial buildings\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation guidance\u003c\/h3\u003e\n\u003cp\u003eTo ensure a perfect fit, always verify the panel’s specifications align with an 800A, 3-pole, 600V bolt-on device. The best reference for compatibility is the part number HNX3B800. Before ordering, confirm that the panel’s mounting provisions and electrical ratings match this breaker’s 3-pole configuration and 600V class. Bolt-on mounting typically requires appropriate hardware and panel clearance; ensure these are in place to avoid installation delays.\u003c\/p\u003e \u003ch3\u003eMaintenance, safety, and care\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUse as part of a planned maintenance program for critical power distribution\u003c\/li\u003e \u003cli\u003eInspect for signs of wear, overheating, or nuisance tripping during routine checks\u003c\/li\u003e \u003cli\u003eReplace only with the matching HNX3B800 part to preserve protection coordination\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith its precise specifications and Siemens engineering, the HNX3B800 is a purpose-built choice for protecting high-capacity, three-phase 600V circuits. When you need a reliable, plug-and-play replacement that aligns with your existing bolt-on infrastructure, this 800A, 3-pole unit meets the mark—backed by Siemens’ durability and performance for long-term electrical safety and system reliability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427547500706,"sku":"HNX3B800","price":173822.0,"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-hnx3b800-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}