Square D HGL36150U31X PowerPact H-Frame Molded Case Circuit Breaker | 150A 3-Pole 600V Feed-Thru

Square D HGL36150U31X — PowerPact H-Frame Molded Case Circuit Breaker

The Square D HGL36150U31X by Schneider Electric is a high-performance 150-Amp, 3-Pole, 600V molded case circuit breaker from the trusted PowerPact H-Frame series. Designed for demanding industrial and commercial electrical systems, this Feed-Thru unit delivers reliable overload and short-circuit protection with solid-state Micrologic 3.2 electronic trip technology.

Whether you're protecting a switchboard, NF panelboard, or industrial control panel, the HGL36150U31X provides the precision, durability, and flexibility professionals rely on.

Key Specifications

• Part Number: HGL36150U31X
• Brand: Square D by Schneider Electric
• Series: PowerPact H-Frame
• Current Rating: 150 Amps (80% continuous)
• Poles: 3-Pole (3PH)
• Voltage Rating: 600V AC
• Interrupting Capacity: 35 kAIC @ 480V AC | 18 kAIC @ 600V AC
• Trip Unit: Micrologic 3.2 — Solid State Electronic (LI: Long-Time & Instantaneous)
• Mounting: Unit Mount — Feed-Thru (Line & Load side lug terminals)
• Wire Range: 14 AWG to 3/0 AWG
• Configuration: Suitable for 2-Pole applications
• Certifications: UL 489 Listed | CSA | NOM | IEC | CE Marked | RoHS Compliant
• Country of Origin: United States

Why Choose the Square D HGL36150U31X?

• Solid-State Micrologic Trip Unit: Provides adjustable long-time and instantaneous (LI) protection for precise, reliable fault response.
• Feed-Thru Design: Lugs on both line and load sides allow flexible wiring configurations and reverse-fed applications.
• Dual-Break Rotating Contacts: Reduce peak current during short-circuit faults, extending equipment life.
• Push-to-Trip Button: Integral manual trip button for safe testing and maintenance.
• Field-Installable Accessories: Compatible with a wide range of PowerPact accessories — auxiliary contacts, alarms, shunt trips, and more — without replacing the breaker.
• Standardized Design: Identical mounting holes, handle locations, and trim dimensions across H/J/L-Frame families allow easy upgrades and inventory standardization.
• Multi-Standard Compliant: UL, CSA, NOM, and IEC certifications ensure global applicability.

Typical Applications

• Industrial control panels and motor control centers (MCCs)
• Square D NF panelboards and switchboards
• Commercial and industrial power distribution systems
• Three-phase electrical systems up to 600V AC
• Reverse-fed and feed-thru panel configurations

Compatible With

Square D PowerPact H-Frame accessories including auxiliary contacts, shunt trips, under-voltage releases, and alarm switches. Fits Square D NF panelboards, switchboards, and unit-mount industrial panels.

Condition & Warranty

Available in New condition. Sold by Alpha Brokers & Controls, a trusted supplier of industrial electrical equipment.