{"product_id":"eaton-wmzh1d20","title":"Eaton WMZH1D20 20A 1-Pole 480 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton WMZH1D20 20A 1-Pole 480 V Circuit Breaker is a dedicated protection device designed for high-voltage applications. With part number WMZH1D20, this 1-pole breaker delivers reliable interruption at up to 480 volts, safeguarding single‑conductor circuits and the equipment they power. Its compact, purpose-built design makes it a practical choice for industrial control panels, machine enclosures, and other high-voltage installations that demand dependable overcurrent protection.\u003c\/p\u003e \u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCurrent rating: 20 A — precise protection for branch circuits in 480 V systems\u003c\/li\u003e \u003cli\u003ePoles: 1 — protects a single hot conductor, simplifying protection schemes in single‑phase or segmented high‑voltage circuits\u003c\/li\u003e \u003cli\u003eVoltage rating: 480 V — suitable for standard high‑voltage industrial applications\u003c\/li\u003e \u003cli\u003eCompact, straightforward installation design that fits common panel and enclosure layouts\u003c\/li\u003e \u003cli\u003eDesigned to interrupt fault currents quickly to minimize damage to wiring and connected equipment\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters\u003c\/h3\u003e\n\u003cp\u003eIn high‑voltage environments, choosing the right circuit breaker is critical for safety and uptime. The WMZH1D20 combines a precise 20 A rating with a robust 480 V capability, giving you targeted protection for workloads like industrial controls, conveyors, pumps, and other single‑phase equipment fed from higher voltage distribution. Quick interruption limits arc exposure, reduces downtime, and helps prevent cascading damage to downstream devices.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtecting single‑phase control circuits in 480 V industrial equipment\u003c\/li\u003e \u003cli\u003eBranch circuit protection for motors, pumps, and gear that run off high-voltage distributions\u003c\/li\u003e \u003cli\u003eProtection within electrical panels and enclosures where a compact, reliable 1‑pole solution is required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and maintenance tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMatch the breaker's voltage and current ratings to your system requirements (480 V, 20 A) and verify compatibility with your enclosure or panel\u003c\/li\u003e \u003cli\u003eInstall by following applicable electrical codes and safety practices; ensure main power is secured before servicing\u003c\/li\u003e \u003cli\u003ePeriodically inspect for signs of wear, corrosion, or loose terminals and replace like‑for‑like to maintain performance\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003cp\u003eThe Eaton WMZH1D20 20A 1-Pole 480 V Circuit Breaker—a precise, dependable protection device designed to safeguard high‑voltage circuits and the equipment they power. Built for straightforward replacement and clear identification with the WMZH1D20 part designation, it helps streamline maintenance and inventory in industrial settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46423639359650,"sku":"WMZH1D20","price":246.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-wmzh1d20-20a-1-pole-480-v-circuit-breaker-834.webp?v=1789322325","url":"https:\/\/www.ampstate.com\/products\/eaton-wmzh1d20","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}