{"product_id":"square-d-eh14030-circuit-breaker","title":"Square D | EH14030 | Circuit Breaker | 30A | 1-Pole | 277V | Plug-In","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D EH14030 Circuit Breaker is a purpose-built safeguard for commercial and industrial electrical systems that require precise protection for a single circuit. With a 30-amp rating, 1-pole design, and 277-volt operating capability, this plug-in breaker is ideal for retrofit, maintenance, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 277V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Plug-In\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e EH14030\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKey advantages and real-world use cases:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFast, code-compliant replacement for damaged or aging breakers in compatible Square D panels, minimizing downtime during service.\u003c\/li\u003e \u003cli\u003eDesigned for 277V circuits common in commercial lighting and certain industrial applications, delivering reliable overcurrent protection for a single leg of the system.\u003c\/li\u003e \u003cli\u003eThe EH14030 reference ensures compatibility for maintenance or retrofit projects that require an exact plug-in solution.\u003c\/li\u003e \u003cli\u003eIdeal for maintenance, retrofit, and replacement scenarios where precise amperage, pole count, and voltage are required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eImportant compatibility notes:\u003c\/p\u003e\n\u003cp\u003eAlways confirm fit and ratings before ordering. The EH14030 part number is your best reference to ensure the plug-in breaker will mount correctly and protect the intended circuit in your panel.\u003c\/p\u003e \u003cp\u003eIf you’re upgrading or repairing a 277V single-pole circuit, this Square D plug-in breaker offers dependable protection and straightforward installation. Choose this 30A, 1-pole, 277V plug-in solution to keep critical loads protected and operating smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424501485730,"sku":"EH14030","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-eh14030-circuit-breaker-30a-1-pole-277v-plug-671.webp?v=1789373035","url":"https:\/\/www.ampstate.com\/products\/square-d-eh14030-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}