{"product_id":"siemens-qr22b100l","title":"Siemens QR22B100L 100A 2-Pole 240 V Circuit Breaker","description":"\u003cdiv\u003eSiemens QR22B100L is your trustworthy safeguard for 240V circuits, delivering precise, reliable overcurrent protection where it’s needed most. With a 100 A current rating and a two-pole design, this circuit breaker is purpose-built for Siemens panels that accept QR-type breakers, ensuring a secure, compatible fit and straightforward replacement when service life demands it. \u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QR22B100L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cstrong\u003e\u003cli\u003eVoltage rating:\u003c\/li\u003e\u003c\/strong\u003e 240 V\n\u003c\/ul\u003e \u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrong designed for qr-series panels:\u003e The QR22B100L is purpose-built for Siemens panels that accept QR-type breakers, minimizing compatibility hurdles during installation or when refreshing aging hardware.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong two-pole protection for circuits:\u003e Dual hot-leg disconnection provides comprehensive protection for 240V loads, enhancing safety and simplifying wiring configurations.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong clear part identification:\u003e With the QR22B100L designation, it's easy to verify you’ve got the exact replacement or upgrade you need during maintenance.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong robust reliable construction:\u003e Built to withstand regular switching and the demands of commercial or residential electrical environments, helping maintain panel reliability over time.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\n\u003cul\u003e \u003cli\u003eBranch circuits in residential or light commercial panels that operate at 240V and require 100 A protection.\u003c\/li\u003e \u003cli\u003eUpgrading aging breakers in Siemens installations to ensure consistent performance and panel compatibility.\u003c\/li\u003e \u003cli\u003eServing high-demand 240V appliances or equipment where robust protection and clear part identification matter during service calls.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cstrong\u003ePractical guidance for installation and safety\u003c\/strong\u003e\n\u003cp\u003eAlways treat electrical work with respect for safety and local code requirements. Before installing the QR22B100L:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eConfirm panel compatibility—ensure your Siemens panel accepts QR-series breakers and that 100 A, 2-pole protection aligns with your circuit design.\u003c\/li\u003e \u003cli\u003eTurn off main power and verify absence of voltage in the panel before handling any components.\u003c\/li\u003e \u003cli\u003eFollow manufacturer instructions and applicable electrical codes to ensure correct mounting, wiring, and labeling.\u003c\/li\u003e \u003cli\u003eFor complex installations or when in doubt, consult a licensed electrician to ensure proper protection of 240V circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe Siemens QR22B100L 100A 2-Pole 240V Circuit Breaker combines precise electrical protection with straightforward compatibility, making it a dependable choice for maintaining safe, reliable power in your electrical system. Whether you’re performing a panel refresh, upgrading older protection, or wiring a high-demand 240V circuit, this part delivers confidence through proven Siemens engineering and a clear, actionable part number for easy maintenance and future replacements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423710138530,"sku":"QR22B100L","price":1586.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qr22b100l-100a-2-pole-240-v-circuit-breaker-349.webp?v=1789328653","url":"https:\/\/www.ampstate.com\/products\/siemens-qr22b100l","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}