{"product_id":"ref3a005-circuit-breaker","title":"REF3A005 | Circuit Breaker | 3A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eREF3A005 is an industrial circuit breaker engineered for reliable overcurrent protection in three-phase electrical systems up to 600 volts. With a compact 3A rating spread across 3 poles, this device is designed for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cp\u003eKey specifications at a glance:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 3A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e Part number REF3A005 (best compatibility reference)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in the field\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eThree-pole protection is essential for balanced three-phase circuits, helping prevent equipment damage, electrical arcing, and unexpected downtime.\u003c\/li\u003e \u003cli\u003e600V rating makes it suitable for industrial control panels, machine tools, and power distribution as a drop-in replacement when the specs align.\u003c\/li\u003e \u003cli\u003eUsing the exact part number REF3A005 ensures you’re selecting a match for your existing panels and safety certifications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and ideal scenarios\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance events where an existing REF3A005 unit fails or reaches end-of-life\u003c\/li\u003e \u003cli\u003eRetrofit projects updating older control panels to a 3-pole 600V protection scheme\u003c\/li\u003e \u003cli\u003eReplacement in spare-part inventories to reduce downtime with a known, compatible component\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for safe, effective installation\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering to avoid compatibility issues.\u003c\/li\u003e \u003cli\u003eCross-check the panel’s electrical specifications and terminal configuration against the REF3A005 details.\u003c\/li\u003e \u003cli\u003eMaintain appropriate clearance and follow lockout\/tagout procedures during replacement work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426179109026,"sku":"REF3A005","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/ref3a005-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}