{"product_id":"siemens-ed43b090l-circuit-breaker","title":"Siemens | ED43B090L | Circuit Breaker | 90A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens ED43B090L—an exact-match circuit breaker designed for reliable protection in 3‑phase 480V systems. With a 90A rating spread across three poles, this device is built for maintenance, retrofit, or replacement where precise specifications matter and downtime needs to be minimized.\u003c\/p\u003e \u003cp\u003eKey features and benefits you’ll notice in real-world use:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility:\u003c\/strong\u003e Part number ED43B090L is the most reliable reference for ensuring a seamless fit in Siemens panels and ED-series setups, reducing guesswork during replacement or retrofits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection:\u003c\/strong\u003e A 3‑pole design supports balanced protection across all phases in commercial and industrial 480V distributions, helping guard motors, drives, and feeders from overloads and short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-voltage suitability:\u003c\/strong\u003e Rated for 480V operations, making it suitable for medium-to-large industrial electrical arrangements where robust, district-wide protection is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSolid load handling:\u003c\/strong\u003e 90A capacity is ideal for feeders and equipment that demand consistent protection without compromising performance or uptime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear purpose for upgrades:\u003c\/strong\u003e Specifically positioned for maintenance, retrofit, and replacement projects where matching specs is critical to safety and system reliability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this Siemens ED series breaker over generic alternatives? It’s not just about amperage and voltage—it’s about \u003cem\u003ereliable compatibility\u003c\/em\u003e, predictable trip behavior, and streamlined procurement. Using the ED43B090L in the right panel minimizes mismatched components, reduces commissioning time, and supports safer, easier field maintenance.\u003c\/p\u003e \u003cp\u003eIdeal use scenarios\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed breaker in existing Siemens 3‑phase 480V panels without modifying other components.\u003c\/li\u003e \u003cli\u003eUpgrading or retrofitting electrical feeders to meet current protection requirements in 480V industrial locations.\u003c\/li\u003e \u003cli\u003eMaintenance shutdowns where selecting the exact part reference (ED43B090L) ensures quick, correct restoration of service.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical installation and compatibility notes\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering to ensure seamless integration with your panel and bus configuration.\u003c\/li\u003e \u003cli\u003eUse the ED43B090L as the definitive reference when sourcing replacement parts to minimize compatibility issues.\u003c\/li\u003e \u003cli\u003eConsult a qualified electrician or electrical engineer for proper torque specs, enclosure clearance, and adherence to local electrical codes during installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re maintaining an existing 480V network, retrofitting for updated protection standards, or replacing a worn component, the Siemens ED43B090L 90A 3‑Pole 480V circuit breaker offers precise compatibility, dependable performance, and clear value in one trusted package.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425630146722,"sku":"ED43B090L","price":1249.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-ed43b090l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}