{"product_id":"square-d-hja36070ud","title":"Square D HJA36070UD 70A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D HJA36070UD 70A 3-Pole 600 V Circuit Breaker is a purpose-built protection device for three-phase electrical systems, delivering reliable interruption when faults occur. With the part number HJA36070UD, this breaker is designed to safeguard industrial and commercial electrical infrastructure that operates at up to 600 volts.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 70 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3 (three-pole configuration for balanced three-phase protection)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand \u0026amp; model:\u003c\/strong\u003e Square D HJA36070UD\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this 70 A, 3-Pole, 600 V breaker stand out\u003c\/h3\u003e\n\u003cp\u003eDesigned for dependable performance in demanding environments, the HJA36070UD provides simultaneous protection across all three phases, helping prevent cascading faults that can damage motors, devices, and wiring. Its 70 A rating is ideal for moderate to substantial three-phase loads, offering a clear balance between protection and circuit usability.\u003c\/p\u003e \u003cp\u003eKey benefits include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongbalanced three-phase protection:\u003e By tripping all three poles together, it maintains phase balance and system safety in three-phase circuits.\u003c\/strongbalanced\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear, actionable protection:\u003c\/strong\u003e Quick interruption helps minimize equipment damage and downtime when a fault occurs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, industry-standard design:\u003c\/strong\u003e Built to withstand regular operation in commercial and light industrial electrical distributions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eThink of the Square D HJA36070UD as a protective backbone for three-phase equipment such as fans, pumps, compact industrial drives, HVAC units, and distribution panels in warehouses, manufacturing floors, and large commercial settings. It’s well-suited for panel boards and distribution assemblies that require reliable three-pole protection at a 600 V maximum rating.\u003c\/p\u003e \u003ch3\u003eWhy choose this over other breakers\u003c\/h3\u003e\n\u003cp\u003eFor systems requiring genuine three-phase protection with a stable 70 A capacity, the HJA36070UD offers a precise fit for Square D-compatible installations. Its three-pole design ensures synchronized tripping across phases, reducing the risk of partial protection and uneven loading that can occur with single- or dual-pole devices in three-phase networks.\u003c\/p\u003e \u003ch3\u003ePractical considerations and tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eVerify compatibility:\u003c\/strong\u003e Confirm that your panel or distribution board accepts 3-pole protection and accommodates a 600 V maximum rating.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMatch to load calculations:\u003c\/strong\u003e Use the 70 A rating to align with your circuit’s anticipated continuous load and fault-clearing needs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFollow installation guidance:\u003c\/strong\u003e Install per your panel manufacturer’s guidelines and local electrical codes, ensuring proper enclosure, signaling, and labeling.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInspection and replacement:\u003c\/strong\u003e If replacing an older unit, check for signs of wear, arcing damage, or insulation deterioration before installing the HJA36070UD.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Square D HJA36070UD 70A 3-Pole 600 V Circuit Breaker in place, you gain a robust, three-phase protection solution that supports reliable operation of sophisticated electrical systems. It’s a dependable choice for professionals seeking precise protection, straightforward replacement, and a trusted brand name in electrical safety.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423566516386,"sku":"HJA36070UD","price":3552.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/square-d-hja36070ud","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}