{"product_id":"siemens-ngb2k040b-circuit-breaker","title":"Siemens | NGB2K040B | Circuit Breaker | 40A | 2-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens NGB2K040B delivers precise overcurrent protection in a compact, bolt-on format designed for maintenance, retrofit, and replacement projects where exact specs matter. This 40 A, 2-pole, 600 V circuit breaker helps keep electrical systems safe and compliant without sacrificing ease of service or installation speed.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40 A\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 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this Siemens breaker? It’s built to slot into existing panels and systems that require Siemens-spec protection, ensuring reliable operation and coordination with other protective devices. The NGB2K040B designation is the most dependable reference when verifying fit and compatibility for your panel configuration.\u003c\/p\u003e \u003cp\u003eKey use cases and benefits include:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance and serviceability:\u003c\/strong\u003e quick replacement for aging or worn breakers to restore circuit protection with minimal downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit projects:\u003c\/strong\u003e aligns with existing Siemens equipment and mounting standards, supporting panel upgrades without reconfiguring other components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReplacement reliability:\u003c\/strong\u003e exact 40 A, 2-pole, 600 V specifications help maintain electrical safety, code compliance, and protection for critical circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial and commercial applicability:\u003c\/strong\u003e suitable for feeders and branch circuits in manufacturing facilities, data centers, and service bays that require robust 600 V protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical installation guidance:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAlways confirm that your enclosure accepts bolt-on breakers and that the 40 A, 2-pole, 600 V ratings match the circuit requirements.\u003c\/li\u003e \u003cli\u003eRefer to the exact part number, NGB2K040B, during ordering to ensure optimal compatibility and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426649198754,"sku":"NGB2K040B","price":1654.0,"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-ngb2k040b-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}