{"product_id":"siemens-hgb2k090b-circuit-breaker","title":"Siemens | HGB2K090B | Circuit Breaker | 90A | 2-Pole | 600V | Bolt-On","description":"\u003cdiv\u003eSiemens HGB2K090B brings dependable overcurrent protection to your 90A, 600V circuits with a bolt-on mounting design that simplifies panel retrofits and replacements. Built for maintenance, retrofit, and new installations where exact compatibility is critical, this 2-pole breaker is ready to slot into compatible Siemens and other approved panels that accept bolt-on devices. \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting type:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HGB2K090B\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this breaker unique\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePremium Siemens reliability engineered into every mechanism, ensuring consistent tripping performance under fault conditions.\u003c\/li\u003e \u003cli\u003ePrecisely matched to the HGB2K090B specification, making it the definitive choice for projects that require exact part integrity and electrical characteristics.\u003c\/li\u003e \u003cli\u003eBolt-on mounting offers secure, vibration-resistant installation in compatible panels, reducing field wiring complexity and improving serviceability.\u003c\/li\u003e \u003cli\u003eDesigned for real-world retrofit work—whether you’re upgrading older gear, expanding capacity, or replacing a failed unit, this breaker keeps your system protected without surprises.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePanel retrofits and replacements in industrial control panels, commercial electrical rooms, and motor control centers where 90A branch protections are needed.\u003c\/li\u003e \u003cli\u003eNew installations requiring a solid, 2-pole, 600V protection device with bolt-on mounting for quick, secure integration.\u003c\/li\u003e \u003cli\u003eMaintenance workflows where the exact part number is the best reference for compatibility and long-term spare strategy.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to ensure the right fit\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, verify that your enclosure or panel accepts bolt-on protective devices and that the available space matches a 2-pole, 90A, 600V profile.\u003c\/li\u003e \u003cli\u003eUse the part number HGB2K090B as the primary compatibility reference to avoid mismatches during replacement or retrofit projects.\u003c\/li\u003e \u003cli\u003eCheck that your system’s protection scheme and upstream protections align with a 90A, 600V two-pole breaker to preserve coordinated protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and practical considerations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower down the equipment and follow proper lockout\/tagout procedures before handling any circuit protection device.\u003c\/li\u003e \u003cli\u003eMount the breaker in a compatible panel with bolt-on hardware, ensuring secure fastening and proper seating for reliable contact.\u003c\/li\u003e \u003cli\u003eAfter installation, verify all electrical connections are tight and that the device clearly aligns with the circuit’s amperage and voltage requirements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Siemens HGB2K090B, you gain a purpose-built, high-integrity circuit breaker designed to protect critical loads up to 90A in 600V environments. Its bolt-on design streamlines installation, while its exact specifications and part-number accuracy provide peace of mind during replacements, upgrades, or service work. If your project demands precise compatibility and dependable performance, this 2-pole bolt-on breaker is a smart, long-term solution for safeguarding your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426655260834,"sku":"HGB2K090B","price":2755.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/siemens-hgb2k090b-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}