{"product_id":"eaton-wmzt3d01","title":"Eaton WMZT3D01 1A 3-Pole 277 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton WMZT3D01\u003c\/strong\u003e is a compact, three-pole circuit breaker rated at 1 A for 277 V three-phase applications. Built to protect critical branch circuits in commercial and light industrial spaces, this model is designed for use in Eaton panel systems that support WMZ-style breakers.\u003c\/p\u003e \u003cp\u003eKey specifications at a glance:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 1 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 277 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e WMZT3D01\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in real-world setups:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole protection for three-phase systems:\u003c\/strong\u003e Keeps all three phases in sync, reducing the risk of imbalanced faults that can damage motors and complex loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLow-current protection for sensitive loads:\u003c\/strong\u003e The 1 A rating is ideal for small control circuits or low-power equipment that still requires rapid isolation under fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e277 V compatibility:\u003c\/strong\u003e Optimized for commercial lighting, HVAC control, and distribution feeders that operate at 277 V, simplifying wiring strategies and panel planning.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM alignment:\u003c\/strong\u003e Using the WMZT3D01 ensures straightforward replacement in existing Eaton installations, preserving performance and warranty expectations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eThree-phase lighting feeders and small motors in office buildings, shopping centers, or educational facilities that run on 277 V.\u003c\/li\u003e \u003cli\u003eBranch circuits requiring precise, low-amperage protection in Eaton panel boards or enclosures that support WMZ-series devices.\u003c\/li\u003e \u003cli\u003eNew installations or retrofit projects where a compact, reliable 3-pole 277 V breaker is needed to maintain system symmetry and safety.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInstallation and maintenance tips:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eEnsure the panel is compatible with WMZ-series 3-pole breakers before installation.\u003c\/li\u003e \u003cli\u003eTerminate wiring to manufacturer-specified torque; verify secure connections to prevent loose-terminal faults.\u003c\/li\u003e \u003cli\u003eIf the breaker trips, inspect circuit loads for overload or fault conditions and replace the unit if necessary to restore protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn short, the Eaton WMZT3D01 1A 3-Pole 277 V Circuit Breaker delivers targeted protection for three-phase circuits, combining precise current rating with reliable Eaton engineering. It’s a practical, durable choice for commercial electrical systems that require dependable, easy-to-source replacement parts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46423634280610,"sku":"WMZT3D01","price":631.0,"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-wmzt3d01","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}