Square D HJL36150U31X Molded Case Circuit Breaker
- 150A
- 3 Pole
- Unit Mount
Quantity
Square D HJL36150U31X - 150A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Delivering reliable microprocessor-based protection, the Square D HJL36150U31X is a 150A, 3-pole molded case circuit breaker from the PowerPacT H-Frame series. It is ideal for commercial and industrial power distribution. This unit-mount breaker is engineered for compatibility with Square D NQ and NF panelboards, as well as standard switchboards. With a 65 kAIC rating at 480VAC, it includes a Micrologic 3.2 electronic trip unit offering adjustable Long-Time and Instantaneous (LI) functions.Specifications
| Brand | Square D |
|---|---|
| Part Number | HJL36150U31X |
| 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 |
| Amperage Range | 60-150A |
|---|
| Frame Type | HJL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D NQ Panelboards, Square D NF Panelboards, Square D Switchboards, Industrial Control Panels |
| Wire Gauge | 14 AWG - 3/0 AWG (Al/Cu) |
| Max Wire | 3/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Padlock Attachment |
|---|---|
| Accessories | Micrologic 3.2 Trip Unit |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Mercury Free, PVC Free, Visual Trip Indicator, Interchangeable Trip Unit, True RMS Sensing |
Product FAQs
6 answersWhat panelboards and enclosures are compatible with the HJL36150U31X?
This unit-mount breaker is designed for use in Square D NQ and NF panelboards, standard switchboards, and industrial control panels.
What wire sizes are accepted by the lugs on the HJL36150U31X?
The feed-thru lugs accept 14 AWG to 3/0 AWG aluminum or copper wire.
What does the U31X suffix indicate on this PowerPacT H-Frame breaker?
The U31X suffix indicates the breaker is equipped with a Micrologic 3.2 electronic trip unit, which provides adjustable Long-Time and Instantaneous (LI) protection functions.
How do I adjust the trip settings on the Micrologic 3.2 trip unit?
The front face of the trip unit features rotary dials to adjust the Long-Time pickup (Ir), Long-Time delay (tr), and Instantaneous pickup (Ii) settings for precise system coordination.
Can I use the HJL36150U31X to replace a thermal-magnetic H-Frame breaker?
Yes, this electronic trip breaker shares the same physical dimensions and mounting footprint as thermal-magnetic PowerPacT H-Frame breakers, making it a direct upgrade for applications requiring adjustable trip settings.
Does the HJL36150U31X provide ground-fault protection?
No, the Micrologic 3.2 LI trip unit provides Long-Time and Instantaneous protection only. It does not include ground-fault (G) or short-time (S) protection functions.
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