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Square D HJL36150U33X Molded Case Circuit Breaker

  • 150A
  • 3 Pole
  • Unit Mount
Square D HJL36150U33X
Molded Case Circuit Breaker
Brand Square D
SKU HJL36150U33X
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  • 150A
  • 3 Pole
  • Unit Mount

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Square D HJL36150U33X - 150A 3 Pole Molded Case Circuit Breaker

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$3,596.00 Check Stock

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Description

Engineered for demanding commercial and industrial applications, the Square D HJL36150U33X is a 3-pole, 150A molded case circuit breaker from the PowerPacT H-Frame family. It provides reliable power distribution and circuit protection up to 600VAC. This unit-mount breaker installs into Square D NQ and NF panelboards, switchboards, and industrial control panels. It utilizes standard lug terminals for secure wire connections. Rated for 65 kAIC at 480V, it features a Micrologic 3.

Specifications

Key specifications
Brand Square D
Part Number HJL36150U33X
Series HJL
Amperage 150A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC
Phase 3
AIC Rating 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 25kA @ 600VAC
Electrical ratings
Amperage Range 60-150A
Fit and installation
Frame Type H Frame
Terminal Type Lugs
For Use With Square D NQ Panelboards, Square D NF Panelboards, Square D Switchboards, Industrial Control Panels
Wire Gauge 14-3/0 AWG (Al/Cu)
Max Wire 3/0 AWG
Min Wire 14 AWG
Protection and operation
Trip Technology Electronic Trip
Trip Function Code LSI
Trip Function Long-Time, Short-Time, Instantaneous
Trip Adjustability Adjustable
Standards and features
Available Options Shunt Trip, Undervoltage Release, Auxiliary Switch, Alarm Switch, Motor Operator, Rotary Handle, Padlock Attachment
Accessories Lugs
Standards CSA C22.2 No 5, IEC 60947-2, NEMA AB 1, UL 489
Approval CCC, CE, CSA, HACR, IEC, NOM, UL
Temp Rating -25C to 70C
Construction Features HACR Rated, Current Limiting, Trip-Free Mechanism, Mercury Free, RoHS Compliant, 80% Rated, True RMS Sensing

Product FAQs

6 answers
What panelboards and equipment are compatible with the HJL36150U33X?

This unit mount breaker is designed for use in Square D NQ and NF panelboards, as well as Square D switchboards and industrial control panels.

What does the U33X suffix indicate on this H-Frame breaker?

The U33X suffix designates a Micrologic 3.2 S electronic trip unit. This solid-state trip unit provides adjustable Long-Time, Short-Time, and Instantaneous (LSI) protection settings for precise system coordination.

What is the difference between the U31X and U33X suffixes on PowerPact H-Frame breakers?

The U31X suffix indicates a Micrologic 3.2 trip unit with Long-Time and Instantaneous (LI) protection. The U33X suffix indicates a Micrologic 3.2 S trip unit, which adds an adjustable Short-Time (LSI) function for enhanced coordination.

Is the HJL36150U33X compatible with Square D I-Line switchboards?

No, this specific catalog number is a unit mount, feed-thru breaker equipped with line and load side lugs. It does not have the plug-on connections required for I-Line bussing systems.

Can the HJL36150U33X be reverse-fed?

Yes, this PowerPact H-Frame breaker with the Micrologic 3.2 S trip unit is suitable for reverse-fed applications, allowing the load side to be used as the line side when required by your installation design.

Does this breaker include a manual testing mechanism?

Yes, all PowerPact H-Frame circuit breakers feature an integral push-to-trip button on the cover, allowing you to manually trip the breaker for testing and maintenance.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 1 review
Rating
Ratings
1 review
  • KL
    Kari L.
    Verified Buyer
    Reviewing
    Square D HJL36040 - 40A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/9/26
    Great Customer Service

    Working with Superbreakers the team is so helpful. They answer the phone and are very accommodating. We had an issue with the refurbished breaker not working out and they helped get a new one out right away.