{"product_id":"siemens-clf63b125-circuit-breaker","title":"Siemens | CLF63B125 | Circuit Breaker | 125A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens CLF63B125 is a dependable 125A, 3-pole circuit breaker engineered for demanding industrial power systems. With a 600V rating and bolt-on mounting, this unit delivers secure electrical protection alongside straightforward retrofit and replacement in Siemens-compatible panels and equipment. When you need a precise, field-ready solution, the CLF63B125 delivers trusted performance you can rely on.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 125A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e \u003cli\u003eMounting: Bolt-On\u003c\/li\u003e \u003cli\u003ePart number reference: CLF63B125\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy bolt-on matters\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBolt-on mounting provides a robust, mechanically secure connection that stands up to vibration and operational stresses in industrial environments.\u003c\/li\u003e \u003cli\u003eDesigned for straightforward field installation and reliable long-term performance in compatible panels and enclosures.\u003c\/li\u003e \u003cli\u003eIdeal for retrofit projects where a precise fit and seamless integration with existing Siemens protection schemes are essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and fit\u003c\/h3\u003e\n\u003cp\u003eConfirm fit and ratings before ordering. The part number CLF63B125 is the best reference for compatibility, ensuring you choose the exact breaker that matches your panel design and system requirements.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and replacement in service panels and industrial control centers that require 3-phase protection.\u003c\/li\u003e \u003cli\u003eRetrofit projects upgrading or modernizing electrical infrastructure with Siemens components.\u003c\/li\u003e \u003cli\u003eOEM equipment replacements where a 125A, 3-pole, 600V bolt-on breaker is specified.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and operation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore installation, verify that the panel or enclosure supports bolt-on breakers of this type and rating.\u003c\/li\u003e \u003cli\u003eAlways follow standard electrical safety practices: power down, lockout\/tagout, and use the correct mounting hardware for a secure fit.\u003c\/li\u003e \u003cli\u003eEnsure electrical connections are clean and free of corrosion to maintain reliable contact and protection performance.\u003c\/li\u003e \u003cli\u003eConsult your panel’s documentation for any torque requirements or installation constraints relevant to bolt-on breakers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens circuit breaker stands out\u003c\/h3\u003e\n\u003cp\u003eThe Siemens CLF63B125 blends precise current protection with a robust bolt-on design, tailored for three-phase 600V systems. Its 125A rating makes it suitable for substantial load paths while preserving the flexibility to retrofit or replace in existing Siemens-architected installations. If you’re upgrading panels, replacing worn components, or outfitting OEM equipment with a reliable protection device, this bolt-on breaker provides a solid, spec-aligned choice that keeps your electrical system safe and compliant.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427286241442,"sku":"CLF63B125","price":510.0,"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-clf63b125-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}