{"product_id":"westinghouse-fd4030e-circuit-breaker","title":"Westinghouse | FD4030E | Circuit Breaker | 4-Pole | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse FD4030E 4-Pole Bolt-On Circuit Breaker — a purpose-built solution designed for maintenance, retrofit, and replacement in electrical panels. This sturdy, multi-pole unit delivers dependable protection across all conductors, helping your distribution system stay safe, compliant, and ready for the next phase of performance improvements.\u003c\/p\u003e \u003ch3\u003eKey features that matter in the field\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003e4-Pole bolt-on design\u003c\/b\u003e provides secure mounting and robust multi-pole protection for 3‑phase systems with the option to incorporate a neutral path as required.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePart number FD4030E as your compatibility reference\u003c\/b\u003e— using the exact model ensures you’re selecting the right breaker for your panel configuration and busbar layout.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIdeal for retrofit and replacement\u003c\/b\u003e— simplify stocking and service calls with a breaker built to slot into existing bolt-on footprints while maintaining reliable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eRugged, maintenance-friendly construction\u003c\/b\u003e designed to withstand frequent cycling and the realities of industrial environments, reducing downtime over the life of the panel.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFit, compatibility, and buying confidence\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify that the \u003cb\u003eFD4030E\u003c\/b\u003e matches your panel’s ratings and footprint. The part number is the clearest reference for compatibility, so cross-check against your panel manufacturer’s specifications and the breaker’s voltage and current ratings to ensure seamless operation.\u003c\/p\u003e \u003ch3\u003eUse cases and ideal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where a dependable, bolt-on 4-pole breaker is required to upgrade older panels to current protection standards.\u003c\/li\u003e \u003cli\u003eReplacement scenarios in serviceable equipment where the FD4030E aligns with the existing bolt-on mounting and conductor arrangement.\u003c\/li\u003e \u003cli\u003eNew installations in compatible Westinghouse or compatible panels that call for a four-pole, bolt-on protection solution with straightforward installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this configuration over alternatives\u003c\/h3\u003e\n\u003cp\u003eCompared with single-pole or plug-in variants, the \u003cb\u003e4-pole bolt-on\u003c\/b\u003e approach of the FD4030E delivers a more secure mechanical connection, improved resistance to vibration, and a consolidated protection strategy across multiple conductors. This translates to steadier trips, easier field servicing, and fewer interruptions when the panel is in active use.\u003c\/p\u003e \u003ch3\u003ePractical tips for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower should be isolated and verified off before any replacement or retrofit work. Safety first.\u003c\/li\u003e \u003cli\u003eConfirm the panel’s voltage and current ratings match the FD4030E specifications to prevent mismatches and nuisance trips.\u003c\/li\u003e \u003cli\u003eEnsure proper torque on mounting hardware per the panel’s guidelines to maintain a secure, long-lasting connection.\u003c\/li\u003e \u003cli\u003eInspect for any signs of wear or damage on the existing buswork and terminals before installing the new breaker.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46426797867170,"sku":"FD4030E","price":2503.0,"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\/westinghouse-fd4030e-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}