Square D HJA36150U44X 150 Amp PowerPact HJA Molded Case Circuit Breaker – 3 Pole – 600V AC – 100 kA @ 240V / 65 kA @ 480V / 25 kA @ 600V – Micrologic 6.2 LSIG

The Square D HJA36150U44X is a PowerPact HJA series molded case circuit breaker designed to provide overload, short-circuit, and ground-fault protection in commercial and industrial electrical distribution systems. This 3-pole, 150A breaker is rated for 600V AC and features I-Line plug-on mounting with a Micrologic 6.2 electronic trip unit. Its LSIG protection functions provide Long-Time, Short-Time, Instantaneous, and Ground-Fault protection, supporting precise circuit protection and coordination.

Specifications

• Manufacturer: Square D (Schneider Electric)
• Product Type: Molded Case Circuit Breaker (MCCB)
• Series: PowerPact H
• Frame Type: HJA
• Catalog Number / MPN: HJA36150U44X
• Current Rating: 150A
• Continuous Current Rating: 80%
• Voltage Rating: 600V AC
• Poles: 3 Pole
• Phase: 3 Phase
• Mounting: I-Line Plug-On
• Trip Unit: Micrologic 6.2 Electronic
• Trip Functions: LSIG – Long-Time, Short-Time, Instantaneous, and Ground-Fault
• Interrupting Capacity:
• 100 kA @ 240V AC
• 65 kA @ 480V AC
• 25 kA @ 600V AC

Part Numbers & Identification

• Brand: Square D
• Manufacturer: Schneider Electric
• Catalog Number: HJA36150U44X
• Product Family: PowerPact HJA
• Frame: HJA
• Trip Unit: Micrologic 6.2 LSIG
• Product Category: Molded Case Circuit Breaker
• UPC:78590176437 

Compatibility

Suitable for Square D PowerPact HJA I-Line panelboards and electrical distribution systems designed for a 3-pole, 150A breaker. Its Micrologic 6.2 LSIG trip unit provides comprehensive overload, short-circuit, instantaneous, and ground-fault protection for applications requiring electronic trip functionality and coordinated circuit protection.

Certifications

• UL: Listed
• CSA: Certified
• IEC: Compliant

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You may return items within 10 days of delivery for a refund.

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