{"product_id":"eaton-wmzt1d04","title":"Eaton WMZT1D04 4A 1-Pole 480 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton WMZT1D04\u003c\/strong\u003e is a compact 4 A, 1-pole circuit breaker designed for 480 V electrical systems. With part number WMZT1D04, this unit is built to deliver reliable overcurrent protection while aligning with Eaton's trusted protection and metering ecosystem. When used in applications that pair a potential transformer with protection and monitoring, this breaker supports precise control and safe operation.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 4 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e WMZT1D04\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Eaton\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSmart applications\u003c\/h3\u003e\n\u003cp\u003eIdeal for protecting small branch circuits within 480 V distribution panels, data centers, motor control centers, and equipment racks where space is at a premium. Its single-pole design minimizes footprint while ensuring dependable protection for loads connected through a potential transformer-based monitoring or relay circuit.\u003c\/p\u003e \u003ch3\u003eWhy this Eaton unit stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike generic low-current breakers, the WMZT1D04 is purpose-built to integrate with Eaton’s protection and metering workflows. The 4 A rating makes it well-suited for lighter loads or pilot circuits that require controlled tripping behavior without compromising safety. A 480 V rating ensures compatibility with mid- to high-voltage distribution schemes common in industrial environments, while the Eaton lineage provides consistent compatibility with related panels and accessories.\u003c\/p\u003e \u003ch3\u003ePractical use cases and benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstronguse case:\u003e Protect a small, meter-fed circuit in a 480 V distribution panel while enabling monitoring through a connected potential transformer.\u003c\/stronguse\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongbenefit:\u003e Reduces nuisance trips on low-load circuits and supports accurate protection-relay signaling for improved system reliability.\u003c\/strongbenefit:\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongconsideration:\u003e Ensure pairing with compatible metering\/relay hardware and panel enclosure to maximize protection performance.\u003c\/strongconsideration:\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to get the most from your WMZT1D04\u003c\/h3\u003e\n\u003cp\u003eWhen selecting this unit, align it with your Eaton-compatible panel and metering setup. Keep the part number handy for procurement and future replacements, and plan installation in accordance with standard 480 V distribution practices to maintain safe, effective protection across your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46423637033122,"sku":"WMZT1D04","price":195.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-wmzt1d04-4a-1-pole-480-v-circuit-breaker-potential-transformer-346.webp?v=1789322139","url":"https:\/\/www.ampstate.com\/products\/eaton-wmzt1d04","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}