{"product_id":"siemens-he3a020-circuit-breaker","title":"Siemens | HE3A020 | Circuit Breaker | 3-Pole | 480V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HE3A020 circuit breaker — a purpose-built 3-pole, 480V bolt-on solution designed for demanding industrial environments. This unit is ideal for maintenance, retrofit, and replacement projects where precise compatibility matters, delivering reliable protection for three-phase power systems.\u003c\/p\u003e \u003cp\u003eKey advantages of the HE3A020 include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole for full 3-phase protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480V rating suitable for standard industrial distribution\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On installation for secure, quick swaps in compatible panels\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e HE3A020 is the definitive identifier to ensure fit and function\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in the field\u003c\/p\u003e\n\u003cp\u003eWhen equipment uptime is critical, using the exact Siemens HE3A020 guarantees that the breaker's trip characteristics, mechanical fit, and electrical interface align with your existing panel hardware. The 3-pole, 480V configuration is common in commercial and manufacturing facilities, enabling clean, balanced protection across all three phases. The bolt-on design simplifies field replacements without modifying equipment, reducing downtime and installation complexity.\u003c\/p\u003e \u003cp\u003eUse cases and practical applications\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: Replace a worn or failing breaker in 3-phase Siemens panels to restore rated protection and system stability.\u003c\/li\u003e \u003cli\u003e Retrofit: Upgrade or modernize older equipment to a reliable 3-pole, 480V bolt-on solution that preserves original protection schemes.\u003c\/li\u003e \u003cli\u003eReplacement: Keep a on-hand spare that matches the exact part number for seamless spares management.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eBest practices for ensuring a seamless fit\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eConfirm fit and ratings before ordering to avoid compatibility issues in the field.\u003c\/li\u003e \u003cli\u003eUse the part number HE3A020 as the primary reference to verify this breaker matches your panel design.\u003c\/li\u003e \u003cli\u003eVerify your enclosure supports bolt-on mounting and three-pole devices of this form factor.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals who value precision, reliability, and ease of maintenance, the Siemens HE3A020 circuit breaker is a targeted, exact-match component for preserving your three-phase electrical integrity. Whether you’re stocking spare parts, performing a retrofit, or conducting routine maintenance, this breaker helps you keep critical systems online with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427177222306,"sku":"HE3A020","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-he3a020-circuit-breaker-3-pole-480v-bolt-837.webp?v=1789678365","url":"https:\/\/www.ampstate.com\/products\/siemens-he3a020-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}