{"product_id":"square-d-mhl3630025dc1616","title":"Square D MHL3630025DC1616 300A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003eSquare D MHL3630025DC1616 300A 3-Pole 600 V Circuit Breaker is engineered to deliver reliable three-phase protection for demanding industrial and commercial electrical systems. Built with the robustness you expect from Square D, this 3-pole breaker protects feeders and branch circuits in 3-phase networks up to 600 V, keeping your critical loads safeguarded from overloads and faults. Key specifications at a glance\n- Part number: MHL3630025DC1616\n- Current rating: 300 A\n- Poles: 3 (three-phase protection)\n- Voltage rating: 600 V\n- Product family: Square D MHL series Why this model stands out\n- Dedicated three-pole protection for balanced and unbalanced 3-phase circuits, simplifying wiring topology and ensuring synchronized disconnection across all phases.\n- High-current capability (300 A) makes it suitable for major feeders, service entrances, and motor control centers where reliable protection and quick isolation are critical.\n- 600 V rating covers a wide range of industrial distribution environments, from manufacturing floors to large commercial facilities, providing a versatile solution for mid-to-large scale systems.\n- Built to integrate with Square D distribution equipment, offering a consistent, compatible protection platform for turn-key panel assemblies and retrofit projects. Ideal use cases\n- Industrial facilities with three-phase machinery, conveyors, or large motors that require dependable 3-phase overcurrent protection.\n- Data centers and enterprise spaces that manage substantial power distribution through 3-phase feeders at voltages up to 600 V.\n- Large HVAC and building automation systems where a single 3-pole breaker safeguards a 3-phase circuit feeding compressors, pumps, or air-handling equipment.\n- Retrofit or expansion projects where replacing or upgrading with a compatible Square D breaker ensures consistent performance and panel compatibility. What to consider when planning installation\n- Ensure the panel or enclosure accepts the Square D MHL series for reliable fit and performance.\n- Verify wiring practices align with 3-phase distribution standards and that conductors and terminations are sized for 300 A.\n- Maintain proper labeling and safety clearances in accordance with electrical codes and site requirements. This 300A, 3-pole, 600 V circuit breaker—bearing the Square D brand and the part number MHL3630025DC1616—delivers focused, dependable protection for essential 3-phase circuits. Its combination of high current handling, three-pole architecture, and 600 V capacity makes it a strategic choice for robust electrical protection in industrial and commercial power systems.\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423257677986,"sku":"MHL3630025DC1616","price":510.0,"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-mhl3630025dc1616","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}