{"product_id":"siemens-nng3b800-circuit-breaker","title":"Siemens | NNG3B800 | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens NNG3B800 3-Pole Circuit Breaker\u003c\/strong\u003e is a dependable protection solution designed for three-phase electrical systems. This 3-Pole unit is ideal for maintenance, retrofit, and replacement projects where exact compatibility with Siemens panels and components matters most.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey reasons to choose the NNG3B800\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole design\u003c\/strong\u003e provides synchronized protection across all three phases, helping prevent phase imbalance and safeguarding motors, drives, and other three-phase loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number reference: NNG3B800\u003c\/strong\u003e — using the exact part number ensures you’re selecting the correct form factor and compatibility for Siemens equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility-focused\u003c\/strong\u003e — this breaker is intended for environments where matching specs is essential. Before ordering, confirm fit and ratings to align with your panel and application.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho is this product for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance technicians performing service on existing Siemens installations\u003c\/li\u003e \u003cli\u003eRetrofit projects that require a precise Siemens-compatible 3-pole breaker\u003c\/li\u003e \u003cli\u003eReplacement scenarios where a reliable, three-phase protective device is needed to maintain system safety and continuity\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eFunctional benefits and practical use\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eSuppresses fault currents across all three phases, helping protect wiring, contactors, and connected equipment.\u003c\/li\u003e \u003cli\u003eDesigned to slot into compatible Siemens panels where a 3-pole breaker is specified, streamlining installation, testing, and system coordination.\u003c\/li\u003e \u003cli\u003eUsing the correct part number simplifies ordering and reduces the risk of mismatched components during critical retrofit or replacement work.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eHow to verify compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo ensure a precise match, start with the panel’s model and the breaker’s required electrical ratings. Use the part number NNG3B800 as the primary compatibility reference and cross-check it against your Siemens panel documentation. If you’re unsure, consult the equipment literature or a qualified electrician to confirm voltage, current, and trip characteristics align with your protected load.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eInstallation and safety notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways de-energize and lock out the circuit before replacement or retrofit work.\u003c\/li\u003e \u003cli\u003eFollow local electrical codes and manufacturer guidelines for installation.\u003c\/li\u003e \u003cli\u003eKeep a record of the replacement part number (NNG3B800) and the panel model for future maintenance reference.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426647986338,"sku":"NNG3B800","price":33717.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-nng3b800-circuit-breaker-3-pole-803.webp?v=1789600686","url":"https:\/\/www.ampstate.com\/products\/siemens-nng3b800-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}