{"product_id":"eaton-wmzt1d03t","title":"Eaton WMZT1D03T 3A 1-Pole 277 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Eaton WMZT1D03T, a compact 3 A, 1-Pole 277 V circuit breaker designed for precise protection in commercial and light industrial power systems. This Eaton part (WMZT1D03T) blends reliable overcurrent protection with a slim profile, making it an ideal choice when panel space is at a premium but dependable performance is non-negotiable.\u003c\/p\u003e \u003ch3\u003eKey specifications and real-world value\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent rating\u003c\/strong\u003e: 3 A — provides selective protection for low-load circuits, control circuits, and lighting systems on 277 V networks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePole configuration\u003c\/strong\u003e: 1-Pole — compact footprint suited for narrow breaker spaces within panels or distribution boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 277 V — tailored for commercial lighting and other 277 V applications common in offices, hotels, and facilities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number\u003c\/strong\u003e: WMZT1D03T — straightforward identification for ordering, replacement, or stocking within Eaton's family of protection devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand and compatibility\u003c\/strong\u003e: Built to integrate with Eaton circuit protection systems, ensuring consistent electrical performance and simplified maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eControl circuits for HVAC, lighting, and automation that require tight current limits without sacrificing protection.\u003c\/li\u003e\n\u003cli\u003eSmall-load loads in 277 V distribution setups where minimizing trip thresholds improves system reliability.\u003c\/li\u003e\n\u003cli\u003eReplacement in existing Eaton installations where a direct part-for-part match is preferred for compatibility and ease of service.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this model stands out\u003c\/h3\u003e\n\u003cp\u003eThe WMZT1D03T isn’t just a breaker; it’s designed to align with Eaton’s system architecture, helping technicians maintain consistent protection characteristics across panels and feeders. Its 1-Pole 277 V rating provides a focused solution for dedicated circuits, enabling straightforward coordination with upstream protection and downstream devices. If your project requires precise overload protection in a compact footprint, this Eaton unit delivers predictable performance with a long service horizon.\u003c\/p\u003e \u003ch3\u003eNotes for installation and maintenance\u003c\/h3\u003e\n\u003cp\u003eWhen selecting this breaker, confirm that your panel is designed for 277 V operation and that a 3 A trip rating meets the circuit’s protection needs. Keep spares in line with your Eaton protection strategy to simplify replacements and preserve system integrity over time.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46423637229730,"sku":"WMZT1D03T","price":230.0,"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-wmzt1d03t","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}