{"product_id":"hef437030-circuit-breaker","title":"HEF437030 | Circuit Breaker | 30A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eHEF437030 is a purpose-built industrial circuit breaker designed for three-phase power networks. With a 30 Amp rating across 3 poles and a 480 Volt operating range, this device is tailored for maintenance, retrofit, and replacement tasks where exact specifications matter. Use this part to ensure reliable protection and continuity in your 480V, three-phase installations.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 30 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Industrial circuit protection in 3-phase systems\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e Part number HEF437030 is the best compatibility reference\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number HEF437030 is the best reference for compatibility.\u003c\/p\u003e \u003ch3\u003eWhy this design matters for your operation\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProvides reliable overcurrent protection for 3‑phase equipment operating at 480V, helping to prevent downtime caused by faults.\u003c\/li\u003e \u003cli\u003eSimplifies maintenance and retrofit projects by aligning with a known, documented part number that matches your existing gear.\u003c\/li\u003e \u003cli\u003eIdeal for replacements in older installations where preserving exact electrical specs preserves control logic and motor protection schemes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 3-pole 480V circuit breaker in industrial control panels, motor drives, or switchgear.\u003c\/li\u003e \u003cli\u003eRetrofits and standardization efforts that require a 30A, 3-pole, 480V protector.\u003c\/li\u003e \u003cli\u003eMaintenance cycles in manufacturing lines, packaging, and HVAC systems that rely on a stable 480V three-phase supply.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility \u0026amp; installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panel or enclosure supports a 3-pole 480V device and that the rating aligns with your circuit requirements.\u003c\/li\u003e \u003cli\u003eUse the HEF437030 part number as the primary reference to ensure you’re selecting the correct device for your system.\u003c\/li\u003e \u003cli\u003eConsider the mounting footprint and terminal arrangement to ensure a smooth swap during maintenance or retrofit.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho should consider this part\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance engineers responsible for keeping 480V three-phase systems online\u003c\/li\u003e \u003cli\u003ePanel builders and integrators performing retrofits or replacements in industrial settings\u003c\/li\u003e \u003cli\u003ePlant managers seeking dependable, traceable components for critical equipment\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKeep a spare HEF437030 on hand to minimize downtime, and document the part number in your asset management records to streamline future replacements and maintenance planning.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426440564898,"sku":"HEF437030","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/hef437030-circuit-breaker-30a-3-pole-480v-129.webp?v=1789577865","url":"https:\/\/www.ampstate.com\/products\/hef437030-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}