Square D HDL36030 - 30A, 3-Pole, Molded Case Circuit Breaker

Built to safeguard electrical systems in demanding environments, the Square D HDL36030 30A, 3-Pole Molded Case Circuit Breaker combines rugged construction with precise protection for distribution panels and motor control centers.

With a 30-amp rating and a 3-pole configuration, this MCCB handles three-phase systems efficiently, providing reliable interruption during overloads and faults while fitting neatly into panelboards, switchboards, and control panels.

• Model: HDL36030
• Current rating: 30 A
• Poles: 3-Pole (three-phase)
• Construction: Molded Case Circuit Breaker (MCCB)
• Applications: Industrial, commercial, and OEM environments requiring dependable overcurrent protection in distribution panels and motor control centers
• Protection: Overcurrent and safe operation for equipment and personnel
• Enclosures: Suitable for panelboards, switchboards, and control panels

Why choose this HDL36030 over alternative protection devices? The molded-case architecture combines robust insulation with proven interruption performance, helping reduce arc-flash exposure and minimize downtime by quickly isolating a fault. The three-pole design supports balanced protection across all three phases, which is essential for motors, contactors, and other three-phase loads.

Practical considerations and tips:

• Ensure correct enclosure compatibility and mounting in your distribution panels or motor control centers.
• Verify wiring arrangements align with three-phase systems to maximize protection and minimize nuisance tripping.
• Regularly inspect connections and housing for signs of wear or overheating to maintain reliable performance.