{"product_id":"siemens-ed22b045-45a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens ED22B045 - 45 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens ED22B045 - 45A, 240V, 2-pole bolt-on molded case circuit breaker is engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing the risk of loose contacts that can cause overheating and trips.\u003c\/p\u003e \u003ch3\u003eThermal-magnetic protection you can rely on\u003c\/h3\u003e\n\u003cp\u003eFeaturing a thermal-magnetic trip unit, this breaker offers stable, repeatable protection performance across varying temperatures and electrical transients. The 45A rating is ideal for protecting typical residential and light commercial circuits, while ensuring swift interruption of faults to safeguard wiring and equipment.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 45 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection in panelboards and load centers\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eDesigned to fit seamlessly in your electrical system\u003c\/h3\u003e\n\u003cp\u003eCompatible with matching OEM load centers and panelboards, making it a practical choice for upgrades or replacements in existing installations. This unit excels in:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential distribution panels and subpanels\u003c\/li\u003e \u003cli\u003eSmall commercial electrical panels\u003c\/li\u003e \u003cli\u003eLight industrial applications demanding reliable protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens unit stands apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSecure bolt-on mounting reduces vibration-induced wear and arcing risk, preserving long-term bus connection integrity.\u003c\/li\u003e \u003cli\u003eThermal-magnetic protection delivers fast, predictable tripping for short circuits while minimizing nuisance trips on temporary overloads.\u003c\/li\u003e \u003cli\u003e2-pole design ensures simultaneous disconnection of both conductors, enhancing safety and fault-clearing performance.\u003c\/li\u003e \u003cli\u003eBuilt with Siemens engineering and quality, offering straightforward compatibility within Siemens OEM panel systems for streamlined installation and replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for installation and use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSelect the correct amperage and voltage for the circuit being protected, and ensure the panelboard is listed for bolt-on breakers of this type.\u003c\/li\u003e \u003cli\u003eMount the breaker on the appropriate bus to achieve a solid, vibration-resistant connection that supports reliable operation.\u003c\/li\u003e \u003cli\u003eCoordinate upstream protection and downstream branch circuits to prevent nuisance trips and ensure safe, consistent performance.\u003c\/li\u003e \u003cli\u003eWhen replacing an existing breaker, verify that the new unit matches the panelboard’s approved catalogs and maintains the same voltage, amperage, and mounting style.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349785694370,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_3290b576-a177-424e-ae03-0b9979bcc311.png?v=1764156650","url":"https:\/\/www.ampstate.com\/products\/siemens-ed22b045-45a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}