{"product_id":"siemens-ngb3b015b-15a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens NGB3B015B - 15 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens \u003cstrong\u003eNGB3B015B\u003c\/strong\u003e is a dependable 3-pole bolt-on molded case circuit breaker designed to protect your electrical panels with precision. Rated for 15A and 600V, it delivers reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers across residential, commercial, and light industrial environments.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant connection to the bus, reducing arcing risk and ensuring consistent performance even in high-vibration settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e combines thermal overload protection with instantaneous magnetic trip for fast, repeatable response to both overloads and short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e is built for seamless integration with matching Siemens panelboards and load centers, helping maintain system reliability and warranty integrity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e ideal for protecting 3-phase circuits or multi-pole setups in modern electrical systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: NGB3B015B\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 15A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplications: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eUse cases and who benefits most\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential service panels undergoing circuit protection upgrades or additions that require reliable 3-pole protection for multi-wire branch circuits.\u003c\/li\u003e \u003cli\u003eCommercial equipment rooms where compact, vibration-tolerant, bolt-on protection supports steady operation and reduces maintenance calls.\u003c\/li\u003e \u003cli\u003eLight industrial distributions needing robust, standardized protection for 3-phase loads with known Siemens OEM compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical notes for installation and operation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePair this breaker with the corresponding Siemens panelboard or load center to preserve protection coordination and warranty eligibility.\u003c\/li\u003e \u003cli\u003eFollow standard electrical practices for bolt-on mounting to ensure a solid bus connection and proper torque on mounting hardware.\u003c\/li\u003e \u003cli\u003eUse the 3-pole design when protecting 3-phase circuits or multi-pole feeders to maintain synchronized disconnection during a fault.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor professionals seeking predictable, durable protection in panelboards and load centers, the Siemens NGB3B015B delivers consistent performance, precise protection, and reliable OEM compatibility—supporting safer, more maintainable electrical systems across a range of applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355138445474,"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_4cf3d66b-671b-4d49-932c-de40e4d051ee.png?v=1764689580","url":"https:\/\/www.ampstate.com\/products\/siemens-ngb3b015b-15a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}