{"product_id":"siemens-ngb3b100b-100a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens NGB3B100B - 100 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens NGB3B100B is a 3-pole bolt-on molded case circuit breaker rated at 100 A and 600 V, engineered to deliver reliable overcurrent and short-circuit protection for branch circuits in panelboards and loadcenters.\u003c\/p\u003e\n\u003cp\u003eDesigned for hard-wearing environments where bus connections must stay solid, the bolt-on mounting provides a rigid, vibration-resistant connection to the bus bars, minimizing connection faults and ensuring consistent operation over time.\u003c\/p\u003e \u003ch3\u003eWhat makes it unique\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting:\u003c\/strong\u003e Creates a stable, vibration-resistant connection to the panel’s bus system, reducing contact wear and unwanted trips in noisy electrical environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Delivers stable, repeatable protection by quickly responding to overloads (thermal) and short circuits (magnetic), helping prevent equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design for synchronized protection:\u003c\/strong\u003e Ensures all three phases are protected simultaneously, essential for balanced loads and safe operation of 3-phase circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible:\u003c\/strong\u003e Specifically designed to be compatible with matching Siemens OEM loadcenters and panelboards, ensuring proper fit, alignment, and electrical continuity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application:\u003c\/strong\u003e Suitable for residential, commercial, and light-industrial installations requiring dependable branch circuit protection up to 100 A at 600 V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecification snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\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\u003ePart Number:\u003c\/strong\u003e NGB3B100B\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases and scenarios\u003c\/h3\u003e\n\u003cp\u003eFor new installations or panel upgrades in homes or small commercial facilities, the NGB3B100B offers a straightforward path to robust protection for branch circuits feeding lighting, outlets, and critical equipment. In retrofit projects, its bolt-on design simplifies mounting in compatible Siemens loadcenters, minimizing downtime and improving reliability in environments with machinery or HVAC gear that can introduce electrical noise or vibration.\u003c\/p\u003e \u003ch3\u003eTips for optimal performance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePair this breaker with Siemens OEM panelboards to guarantee the most reliable electrical contact and coordinated trip characteristics.\u003c\/li\u003e \u003cli\u003eUse in circuits where balanced three-phase protection is essential to prevent voltage imbalances and equipment wear.\u003c\/li\u003e \u003cli\u003eInspect bus connections periodically in vibration-prone installations to catch any loosening early and maintain protection integrity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho should consider this breaker\u003c\/h3\u003e\n\u003cp\u003eElectrical contractors, building maintenance teams, and facilities engineers working on residential or light-commercial electrical systems that demand dependable, OEM-aligned protection in 3-phase configurations will appreciate the NGB3B100B’s combination of rugged mounting, precise protection, and OEM-wide compatibility.\u003c\/p\u003e \u003ch3\u003eWhy this matters for your panel\u003c\/h3\u003e\n\u003cp\u003eChoosing a Siemens NGB3B100B helps ensure a coordinated protection approach across your panelboard or loadcenter, reducing nuisance trips and promoting long-term reliability for critical circuits. Its thermal-magnetic protection, combined with secure bolt-on mounting, supports safer, easier maintenance and smoother operation in daily use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355139002530,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ngb3b100b-100-a-600-v-3-pole-bolt-on-circuit-breaker-469.webp?v=1788734874","url":"https:\/\/www.ampstate.com\/products\/siemens-ngb3b100b-100a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}