{"product_id":"square-d-hja36100u44xaabcsd","title":"Square D HJA36100U44XAABCSD 100A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HJA36100U44XAABCSD, a purpose-built circuit breaker engineered for reliable protection in three-phase, high-voltage systems. With a 100 A current rating and a 3-pole construction, this unit is designed to safeguard your most critical power feeds up to 600 V.\u003c\/p\u003e \u003ch3\u003eKey benefits that matter in real-world installations\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact fit for Square D panels\u003c\/strong\u003e — Part number alignment (HJA36100U44XAABCSD) ensures straightforward replacement and consistent trip characteristics within compatible Square D distribution panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-phase protection\u003c\/strong\u003e — The 3-pole design protects each hot leg, maintaining balance across your three-phase circuits and reducing the risk of partial failures that can damage equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e600 V voltage rating\u003c\/strong\u003e — Suitable for industrial and commercial environments where higher voltage distribution is used, providing reliable interruption capability up to 600 V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 A current rating\u003c\/strong\u003e — Handles substantial load centers and motor feeders without frequent nuisance trips, while still delivering fast, predictable disconnection when faults occur.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, trusted construction\u003c\/strong\u003e — Square D products are known for durable mechanisms and consistent performance under demanding conditions, helping minimize downtime in busy facilities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical applications\u003c\/h3\u003e \u003cp\u003eThis 100A, 3-pole circuit breaker is well-suited for:\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eThree-phase motor feeders in manufacturing and processing equipment\u003c\/li\u003e\n\u003cli\u003eDedicated feeders for large HVAC systems and commercial climate controls\u003c\/li\u003e\n\u003cli\u003ePower distribution blocks in data centers, workshops, and facilities with 600 V class infrastructure\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this model over other options\u003c\/h3\u003e \u003cp\u003eChoosing the HJA36100U44XAABCSD means leaning on Square D's established reliability and a part-number-accurate solution that integrates smoothly into existing Square D ecosystems. It provides predictable trip behavior, straightforward maintenance, and the assurance of using a component designed for high-demand environments.\u003c\/p\u003e \u003ch3\u003eInstallation and care tips\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003eConfirm compatibility with your panel's series and mounting requirements before replacing an existing breaker.\u003c\/li\u003e\n\u003cli\u003eInstall only with the system powered down and follow all safety procedures for live electrical work.\u003c\/li\u003e\n\u003cli\u003eReplace with the same rating (100 A, 3-pole, 600 V) to preserve electrical protection levels and coordination.\u003c\/li\u003e\n\u003cli\u003eKeep a few spare units on hand for quick replacements to minimize downtime during maintenance cycles.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePart number: HJA36100U44XAABCSD — 100 A, 3-Pole, 600 V Circuit Breaker by Square D. A reliable choice for safeguarding three-phase power in demanding commercial and industrial environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423187423394,"sku":"HJA36100U44XAABCSD","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hja36100u44xaabcsd-100a-3-pole-600-v-circuit-breaker-385.webp?v=1789280486","url":"https:\/\/www.ampstate.com\/products\/square-d-hja36100u44xaabcsd","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}