{"product_id":"square-d-hja36070us","title":"Square D HJA36070US 70A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eExperience reliable protection with the Square D HJA36070US 70A 3-Pole 600 V Circuit Breaker. Designed to safeguard three-phase power systems, this breaker delivers precise overload and short-circuit protection for commercial and industrial panels operating up to 600 volts.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eThree-phase protection you can trust\u003c\/strong\u003e — With a 3-pole configuration, all three live conductors trip together, minimizing phase imbalance and shielding motors, drives, and feeders from damaging faults.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCurrent rating: 70 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e \u003cli\u003ePart Number: HJA36070US\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMotor feeders in manufacturing lines and HVAC systems\u003c\/li\u003e \u003cli\u003eThree-phase power distribution panels and retrofit projects\u003c\/li\u003e \u003cli\u003eProtection for commercial or light-industrial distribution up to 600 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose this Square D circuit breaker\u003c\/strong\u003e — Built on Square D engineering, this HJA-series device emphasizes robust mechanical design and dependable performance under demanding conditions. Its durable construction helps resist wear and ensures reliable operation across repeated cycles in environments with routine cycling.\u003c\/p\u003e \u003cp\u003ePractical considerations for installation and use:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eConfirm compatibility with your panel or enclosure and ensure the bus bar arrangement supports a 3-pole unit.\u003c\/li\u003e \u003cli\u003eFollow the manufacturer’s torque recommendations and all local electrical codes during installation.\u003c\/li\u003e \u003cli\u003eIncorporate this breaker as part of a comprehensive protection strategy with proper enclosure grounding and clear labeling for safe maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eSecure protection for your critical equipment with the Square D HJA36070US 70A 3-Pole 600 V Circuit Breaker — a reliable, three-phase solution designed to keep power flowing safely in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423566090402,"sku":"HJA36070US","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-hja36070us","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}