{"product_id":"siemens-neg2b100l-circuit-breaker","title":"Siemens | NEG2B100L | Circuit Breaker | 100A | 2-Pole | 600V","description":"\u003cdiv\u003eSiemens NEG2B100L circuit breaker is a purpose-built safety device designed for reliable overcurrent protection in commercial and light industrial electrical systems. With a 100A rating and a two-pole configuration, this unit provides coordinated protection for feeders and paired conductors in 600V environments. Built for maintenance, retrofit, and replacement tasks, the NEG2B100L is a precise match for panels and assemblies that require this exact specification. \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 100A\u003c\/li\u003e \u003cli\u003ePoles: 2-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters\u003c\/h3\u003e\n\u003cp\u003eThe Siemens NEG2B100L is not a generic substitute. Its exact part number ensures compatibility with Siemens panel layouts and accompanying accessories, reducing guesswork during upgrades or replacements. The two-pole design protects both conductors in a circuit, helping to prevent imbalanced loads and enabling a clean, safe isolation when servicing equipment. For facilities relying on 600V electrical systems, this unit delivers predictable protection aligned with standard industry practices.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance on existing Siemens panels and distributions where a precise NEG2B100L replacement is required\u003c\/li\u003e \u003cli\u003eRetrofits that upgrade protection without changing other components in the enclosure\u003c\/li\u003e \u003cli\u003eSpare parts inventory for service fleets maintaining 600V, 2-pole circuits\u003c\/li\u003e \u003cli\u003eNew installations that specify exact Siemens compatibility to ensure proper fit and function\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility \u0026amp; ordering tips\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number is the best reference for compatibility. When in doubt, cross-check the exact NEG2B100L specification with your panel manufacturer’s documentation to ensure seamless installation and safe operation.\u003c\/p\u003e \u003ch3\u003ePractical considerations for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMatch the amperage and voltage to your circuit’s design values to avoid nuisance trips or under-protection\u003c\/li\u003e \u003cli\u003eUse only in configurations approved for 2-pole breakers to maintain proper isolation and fault handling\u003c\/li\u003e \u003cli\u003eKeep a small stock of common Siemens replacement part numbers to minimize downtime during servicing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426650411170,"sku":"NEG2B100L","price":1542.0,"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-neg2b100l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}