Providing superior coordination capabilities, the Square D HGL36150U33X is a 150A, 3-pole molded case circuit breaker from the PowerPacT H-Frame series. This unit-mount breaker fits Square D NF and NQ panelboards, switchboards, and control panels. It features standard lug terminals for reliable wire termination. Rated 35 kAIC at 480VAC, it is equipped with a Micrologic 3.2S electronic trip unit. This delivers adjustable long-time, short-time, and instantaneous (LSI) protection.
CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489
Approval
CCC, CE, CSA, IEC, NOM, UL, UKCA
Temp Rating
-25C to 70C
Construction Features
HACR Rated, Current Limiting, Reverse Feed, True RMS Sensing
Product FAQs
6 answers
What enclosures and panelboards are compatible with the HGL36150U33X?
This unit-mount breaker is designed for PowerPacT H-Frame enclosures, switchboards, and industrial control panels. It is also compatible as a main breaker in Square D NF and NQ panelboards.
What wire sizes are accepted by the standard lugs on this breaker?
The factory-installed AL150HD mechanical lugs accept 14 AWG to 3/0 AWG aluminum or copper conductors.
What is the recommended tightening torque for the AL150HD lugs on the HGL36150U33X?
The standard AL150HD mechanical lugs should be torqued to 44.25 lb-in (5 N.m).
What does the U33X suffix mean on this Square D breaker?
The U33X suffix indicates the breaker is equipped with a Micrologic 3.2S electronic trip unit. This provides adjustable Long-Time, Short-Time, and Instantaneous (LSI) protection for precise coordination.
Can the HGL36150U33X replace other PowerPacT H-frame breakers?
Yes, it shares common mounting holes, handle locations, and dimensions with other PowerPacT H-frame circuit breakers, allowing for standardized design and direct replacement of equivalent unit-mount models.
What does the G in the HGL36150U33X part number signify?
The G indicates the interrupting rating tier within the PowerPacT series. For this breaker, it signifies a short-circuit current rating of 65kA at 240VAC, 35kA at 480VAC, and 18kA at 600VAC.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.