{"product_id":"eaton-wmzt1d20","title":"Eaton WMZT1D20 20A 1-Pole Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton WMZT1D20 — a precise 20A, 1-pole circuit breaker designed to protect a single branch circuit with dependable performance. This model carries the Part Number WMZT1D20, reflecting Eaton’s commitment to compatible, high-reliability protection for both residential and light commercial panels.\u003c\/p\u003e \u003ch2\u003eWhat makes this breaker stand out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e20-amp, 1-pole protection\u003c\/strong\u003e — ideal for safeguarding a dedicated circuit such as lighting or outlets fed from a single hot conductor.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number WMZT1D20\u003c\/strong\u003e — exact replacement for compatible Eaton installations, ensuring straightforward installation and consistent fit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, panel-friendly design\u003c\/strong\u003e — engineered to slip into standard panelboards without crowding neighboring spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand you can trust\u003c\/strong\u003e — backed by Eaton’s engineering pedigree for reliable interruption and long-term performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMeasurement-friendly applications\u003c\/strong\u003e — suitable for electrical systems that utilize potential transformers for monitoring or metering, helping integrate protection with measurement infrastructure.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy protection matters in your system\u003c\/h2\u003e\n\u003cp\u003eOvercurrent events can damage wiring, outlets, and devices. The WMZT1D20 delivers fast, reliable interruption when a fault or overload occurs, helping prevent overheating and potential fire hazards. A 1-pole configuration focuses protection on a single circuit, making it a practical choice for streamlined panel layouts and targeted protection goals.\u003c\/p\u003e \u003ch2\u003eUse cases and scenarios\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReplacing a worn or failed 1-pole breaker in an Eaton panel with the exact WMZT1D20 model to preserve performance characteristics.\u003c\/li\u003e \u003cli\u003eInstalling a dedicated 20A circuit in a commercial or residential setting where a single hot conductor requires protection.\u003c\/li\u003e \u003cli\u003eMaintaining consistent panel compatibility in systems that use potential transformers for monitoring, ensuring protection aligns with measurement equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical tips for installation and maintenance\u003c\/h2\u003e\n\u003cp\u003eBefore you replace or install, power down the panel and follow standard safety procedures. Verify that the panel accepts WMZT1D20 20A 1-pole breakers and keep the part number handy for maintenance logs. Regularly inspect the breaker after a fault event to ensure it reset reliably and continues to fit securely in the bus bar.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46423636803746,"sku":"WMZT1D20","price":192.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-wmzt1d20-20a-1-pole-circuit-breaker-potential-transformer-162.webp?v=1789322116","url":"https:\/\/www.ampstate.com\/products\/eaton-wmzt1d20","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}