{"product_id":"eaton-wmzt1c04","title":"Eaton WMZT1C04 4A 1-Pole 480 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eProtect critical 480-volt circuits with precision using the Eaton WMZT1C04 4A 1-Pole 480 V Circuit Breaker Potential Transformer. Built for reliability in demanding environments, this compact single-pole device delivers targeted overcurrent protection while staying compatible with Eaton's protection and metering ecosystems.\u003c\/p\u003e \u003cp\u003eKey reasons to choose WMZT1C04:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e1-Pole design for space-efficient protection in 480 V panels and switchgear.\u003c\/li\u003e \u003cli\u003e4 A current rating — ideal for dedicated feeders and control circuits that require precise, low-amperage protection while maintaining full fault protection for the surrounding network.\u003c\/li\u003e \u003cli\u003e480 V voltage rating ensures compatibility with standard industrial power distribution in commercial facilities, manufacturing floors, and data centers.\u003c\/li\u003e \u003cli\u003ePotential Transformer compatibility — designed to support measurement and signaling in systems that rely on potential transformer-based metering or relay control.\u003c\/li\u003e \u003cli\u003eRugged Eaton build with straightforward installation in existing Eaton panels, reducing downtime and integration effort.\u003c\/li\u003e \u003cli\u003eSmall footprint that frees up space in crowded electrical enclosures, aiding easier wiring and future upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits\u003c\/h3\u003e\n\u003cp\u003eElectrical engineers, facilities managers, and licensed electricians working on low- to medium-voltage distributions will appreciate the WMZT1C04 for its precise current threshold, dependable performance, and compatibility with monitoring schemes that depend on potential transformer signals.\u003c\/p\u003e \u003ch3\u003eTypical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFeeder protection for 480 V single-phase or derived circuits in commercial buildings, manufacturing lines, or data centers.\u003c\/li\u003e \u003cli\u003eControl circuits and auxiliary feeders where compact, reliable protection is essential.\u003c\/li\u003e \u003cli\u003eSystems employing potential transformer-based metering and protection relays that require clean, consistent signaling from the breaker.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePart Number: WMZT1C04\u003c\/li\u003e \u003cli\u003eCurrent Rating: 4 A\u003c\/li\u003e \u003cli\u003ePoles: 1\u003c\/li\u003e \u003cli\u003eVoltage Rating: 480 V\u003c\/li\u003e \u003cli\u003eType: Circuit Breaker, Potential Transformer compatible\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical setup tips: verify compatibility with your Eaton panels, ensure the 4 A rating matches the protection needs of the circuit, and pair this breaker with appropriate CTs or relays if your system uses potential-transformer-based monitoring. Regular inspection of connections and periodic testing of tripping functionality will help maintain reliable protection over the life of the installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46423638409378,"sku":"WMZT1C04","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-wmzt1c04-4a-1-pole-480-v-circuit-breaker-potential-transformer-223.webp?v=1789322251","url":"https:\/\/www.ampstate.com\/products\/eaton-wmzt1c04","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}