{"product_id":"eaton-wmzt3d04","title":"Eaton WMZT3D04 4A 3-Pole 480 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton WMZT3D04 4A 3-Pole 480 V Circuit Breaker—the compact powerhouse that delivers reliable three-phase protection for demanding electrical systems. With a precise 4-amp current rating and three poles, this device ensures synchronized interruption across all phases, helping safeguard wiring and equipment in industrial and commercial environments.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e WMZT3D04\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 4 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhere this breaker shines\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDesigned for 480 VAC three-phase circuits common in industrial equipment, processing lines, and commercial power distribution.\u003c\/li\u003e \u003cli\u003eThree-pole configuration provides balanced protection across all phases, reducing the risk of phase-to-phase faults and equipment damage.\u003c\/li\u003e \u003cli\u003eCompact, robust build from a trusted manufacturer, ideal for replacing worn breakers in standard electrical panels and control enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose the WMZT3D04 over generic alternatives\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eSpecifically rated for 480 V three-phase systems, ensuring appropriate protection for high-voltage networks.\u003c\/li\u003e \u003cli\u003e4-amp rating targets smaller loads and sensitive equipment where precise current control matters, helping prevent nuisance trips while still delivering reliable fault interruption.\u003c\/li\u003e \u003cli\u003ePart of Eaton’s established line of protection devices, offering compatibility with Eaton distribution ecosystems and a dependable support footprint.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eProtect small to moderate three-phase motors and pumps operating on 480 V in manufacturing or processing facilities.\u003c\/li\u003e \u003cli\u003eUse in control panels and motor control centers where tight overcurrent protection is essential for safe operation.\u003c\/li\u003e \u003cli\u003eReplace aging breakers in retrofit projects to restore robust three-phase protection in existing 480 V networks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTips for installation and operation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eConfirm your system is a 480 V three-phase setup and that the load current aligns with a 4 A protection level before installation.\u003c\/li\u003e \u003cli\u003eEnsure the breaker is seated in a compatible panel or enclosure designed for 3-pole protection devices.\u003c\/li\u003e \u003cli\u003eFollow local electrical codes and manufacturer guidelines for safe wiring practices and preventive maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe Eaton WMZT3D04 4A 3-Pole 480 V Circuit Breaker is a targeted solution for precise, reliable three-phase protection in high-voltage environments. Its 4 A rating and three-pole architecture offer dependable fault interruption across all phases, helping you keep critical systems running smoothly and protect invaluable equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46423634084002,"sku":"WMZT3D04","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/eaton-wmzt3d04","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}