{"product_id":"siemens-a03hp0r0-circuit-breaker","title":"Siemens | A03HP0R0 | Circuit Breaker | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens A03HP0R0 is a purpose-built 3-pole circuit breaker designed for robust protection in industrial electrical setups. Built for maintenance, retrofit, and replacement projects, this unit delivers reliable three‑phase safety without requiring a full panel redesign.\u003c\/p\u003e \u003cp\u003eThe A03HP0R0 designation is your best reference for compatibility. Before ordering, verify that this exact part fits your panel and matches the required ratings for your system to ensure seamless operation and continued protection.\u003c\/p\u003e \u003ch3\u003eWhy this Siemens circuit breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection\u003c\/strong\u003e ensures complete coverage for three‑phase systems, stopping faults from cascading across phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e480V voltage rating\u003c\/strong\u003e matches common industrial feeders and equipment, making it suitable for demanding manufacturing, processing, and HVAC applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number reliability\u003c\/strong\u003e using A03HP0R0 as the reference helps you avoid mismatches and accelerates sourcing for maintenance or replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit-friendly design\u003c\/strong\u003e minimizes downtime by plugging into compatible panels without extensive rewiring.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQuality you can trust\u003c\/strong\u003e backed by Siemens engineering, providing consistent trip performance and long-term reliability in harsh plant environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and replacement for legacy 3‑phase equipment running on 480V.\u003c\/li\u003e \u003cli\u003eRetrofits to upgrade protection in manufacturing lines, packaging systems, or processing equipment.\u003c\/li\u003e \u003cli\u003eNew installations where a proven Siemens circuit breaker with a 3‑pole, 480V spec is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical considerations: confirm panel compatibility and ensure the device’s current and trip characteristics align with your system requirements. For best results, rely on a qualified electrician to verify fitment and install the unit according to your enclosure’s specifications and safety standards.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePoles: 3‑Pole\u003c\/li\u003e \u003cli\u003eVoltage: 480V\u003c\/li\u003e \u003cli\u003ePart number: A03HP0R0\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427298922658,"sku":"A03HP0R0","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-a03hp0r0-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}