{"product_id":"westinghouse-hfb3045ml-circuit-breaker","title":"Westinghouse | HFB3045ML | Circuit Breaker | 3-Pole | Feed-Through","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Westinghouse HFB3045ML, a purpose-built 3-Pole Feed-Through circuit breaker designed for maintenance, retrofit, and replacement tasks where exact compatibility matters. This unit is identified by part number HFB3045ML, the most reliable reference to ensure a precise fit with your panel and wiring harness.\u003c\/p\u003e \u003ch3\u003eWhy this 3-Pole Feed-Through breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole configuration\u003c\/strong\u003e supports multi-line protection in a single, compact unit, streamlining installation in panels that require coordinated trip across three conductors.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFeed-Through design\u003c\/strong\u003e provides a straightforward path for downstream wiring, simplifying distribution during upgrades or service work and helping to consolidate panel wiring.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility via part number\u003c\/strong\u003e HFB3045ML serves as the best reference for matching your panel, bus type, and wiring harness, reducing guesswork in retrofits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly for replacements\u003c\/strong\u003e engineered for reliable operation during routine service, making downtime during upgrades minimal.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear fit and rating guidance\u003c\/strong\u003e always confirm the breaker’s fit and electrical ratings before ordering to ensure safe, code-compliant performance in your specific installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cp\u003eDesigned for wiring upgrades, panel retrofits, and replacement projects in residential, commercial, and light industrial environments. Use cases include upgrading aging panels, creating downstream feed paths for sub-panels, or consolidating protection devices in a service panel. The HFB3045ML is especially valuable when a precise 3-pole, feed-through solution is required to maintain system protection and wiring efficiency.\u003c\/p\u003e \u003ch3\u003eHow it compares to standard breakers\u003c\/h3\u003e\n\u003cp\u003eCompared with single-pole or non-feed-through alternatives, this 3-pole feed-through breaker consolidates multiple protections into one device and offers a convenient conduit for downstream wiring. This design can reduce wiring clutter, simplify troubleshooting, and help maintain cleaner, more organized panel layouts during upgrades.\u003c\/p\u003e \u003ch3\u003ePractical installation tips and safety\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panel supports 3-pole feed-through breakers and that the bus type aligns with the HFB3045ML.\u003c\/li\u003e \u003cli\u003eConsult panel labeling and manufacturer guidelines to confirm correct orientation of line and load connections.\u003c\/li\u003e \u003cli\u003ePower down the panel and follow standard lockout\/tagout procedures before replacement or installation.\u003c\/li\u003e \u003cli\u003eKeep the part number (HFB3045ML) handy during ordering and service to ensure ongoing compatibility with future maintenance tasks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re performing routine maintenance, a retrofit, or a precise replacement, the Westinghouse HFB3045ML 3-Pole Feed-Through Circuit Breaker delivers reliable protection with streamlined wiring paths. Remember to confirm fit and ratings before ordering to ensure a seamless, code-compliant installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46424427561122,"sku":"HFB3045ML","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/westinghouse-hfb3045ml-circuit-breaker-3-pole-feed-through-710.webp?v=1789358141","url":"https:\/\/www.ampstate.com\/products\/westinghouse-hfb3045ml-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}