{"product_id":"siemens-qr22b100-100a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens QR22B100 - 100 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens QR22B100 100A, 240V, 2-pole bolt-on molded case circuit breaker is engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Designed for residential, commercial, and light industrial environments, this breaker combines a secure bolt-on mounting with a thermal-magnetic trip unit for consistent protection you can rely on.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSecure bolt-on mounting for a rigid, vibration-resistant bus connection that stays tight under operational motion.\u003c\/li\u003e \u003cli\u003eThermal-magnetic trip unit delivers stable, repeatable protection against overloads and short circuits across a range of temperatures and loads.\u003c\/li\u003e \u003cli\u003e2-pole design handles 240V circuits; 100A rating is ideal for main feeders and high-demand branch circuits.\u003c\/li\u003e \u003cli\u003eGuaranteed compatibility with matching Siemens OEM loadcenters and panelboards for straightforward installation and reliable performance.\u003c\/li\u003e \u003cli\u003eSuitable for a wide range of applications: residential appliances, commercial power distribution, and light industrial equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: QR22B100\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 100A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and ideal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 2-pole breaker in Siemens panelboards to restore 240V circuits such as air conditioning, water heating, or subpanel feeders.\u003c\/li\u003e \u003cli\u003eConfiguring or upgrading a panel to support higher-current 2-pole loads for equipment in small commercial spaces or workshops.\u003c\/li\u003e \u003cli\u003eIn new installations, providing robust, code-compliant protection for 240V branch circuits with a dependable bolt-on connection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectricians and contractors working with Siemens panelboards seeking a reliable 100A\/240V 2-pole solution.\u003c\/li\u003e \u003cli\u003eHomeowners with existing Siemens panels needing durable, OEM-compatible protection for large 240V loads.\u003c\/li\u003e \u003cli\u003eFacility managers in light industrial settings requiring vibration-resistant, secure circuit protection for critical equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConfirm panelboard compatibility with QR22B100 and use the correct bolt-on hardware for a secure connection.\u003c\/li\u003e \u003cli\u003eEnsure power is fully shut off and follow local electrical codes during replacement or installation.\u003c\/li\u003e \u003cli\u003eTorque bolts to the manufacturer's specification to maintain a stable, vibration-resistant bus connection.\u003c\/li\u003e \u003cli\u003eMatch the trip characteristics to the protected circuit and verify that the 100A rating aligns with the intended load to avoid nuisance tripping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355163742370,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qr22b100-100-a-240-v-2-pole-bolt-on-circuit-breaker-634.webp?v=1788737323","url":"https:\/\/www.ampstate.com\/products\/siemens-qr22b100-100a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}