Square D HLL36100U31X Circuit Breaker
- 100A
- 3 Pole
- Unit Mount
Quantity
Square D HLL36100U31X 3 Pole Circuit Breaker
New
Quantity
Description
Square D HLL36100U31X 3 Pole Circuit Breaker
The Square D HLL36100U31X is a 3 Pole solid state molded case circuit breaker with a current rating of 100 Amps and a voltage rating of 600VAC, 250/500VDC. It has an interrupting rating of 125kAIC at 240VAC, 100kAIC at 480VAC. The HLL36100U31X has a feed-thru connection type and includes long time and instantaneous trip functions.
Specifications
| Brand | Square D |
|---|---|
| Series | PowerPacT H |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 600VAC |
| Phase | 3 |
| AIC Rating | 125kA @ 240VAC, 100kA @ 480VAC, 50kA @ 600VAC |
| Amperage Range | 50-100A |
|---|
| Frame Type | H |
|---|---|
| Terminal Type | Lugs |
| Wire Gauge | 14-3/0 AWG |
| 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 |
| Standards | RoHS, HACR |
|---|---|
| Approval | CE, UL, CSA, NEMA, NOM, IEC |
| Temp Rating | -25 to 70 °C |
Product FAQs
7 answersWhat type of trip unit is installed in the HLL36100U31X?
This breaker features a Micrologic 3.2 electronic trip unit, which provides Long-Time and Instantaneous (LI) protection functions.
What is the interrupting capacity of this breaker at 600VAC?
The HLL36100U31X features an L-class interrupting rating, which provides 50kAIC at 600VAC.
How is the HLL36100U31X mounted in an electrical enclosure?
It is a unit-mount, feed-thru circuit breaker. It installs using line and load side lug terminals and can be backplate or DIN rail mounted with the correct accessories, rather than plugging directly onto a busway.
Can I install this breaker in a Square D I-Line panelboard?
No, the HLL36100U31X is a unit-mount breaker designed for lug-in, lug-out connections. For an I-Line panelboard, you need the I-Line plug-on variant, typically starting with the HLA prefix.
Is this breaker rated for 80 percent or 100 percent continuous current?
The HLL36100U31X is standard-rated for 80 percent continuous current.
Does this PowerPacT H-frame breaker include a manual testing feature?
Yes, it includes an integral push-to-trip button on the front cover, allowing you to manually trip the breaker to verify the mechanical linkage and safety mechanism.
What does the U31X suffix indicate in the Square D catalog number?
The U31X suffix designates the factory-installed Micrologic 3.2 electronic trip unit. It indicates the breaker has standard Long-Time and Instantaneous (LI) protection without advanced metering or communication modules.
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