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Square D PGL36100U31A Molded Case Circuit Breaker
- 1000A
- 3 Pole
- Unit Mount
Square D
PGL36100U31A
Molded Case Circuit Breaker
Brand
Square D
SKU
PGL36100U31A
Quantity
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Square D PGL36100U31A - 1000A 3 Pole Molded Case Circuit Breaker
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Description
Built for demanding industrial environments, the PGL36100U31A is a 1000A PowerPacT P-Frame molded case circuit breaker. It handles up to 600VAC and is engineered to protect critical commercial electrical systems from overloads and short circuits. Featuring a standard unit-mount configuration with included line and load lugs, it integrates easily into switchboards and enclosures. It also functions as a direct substitute for the discontinued MAL361000. This model utilizes a Micrologic 3.Specifications
| Brand | Square D |
|---|---|
| Part Number | PGL36100U31A |
| Series | PGL |
| Amperage | 1000A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC |
| Amperage Range | 400-1000A |
|---|
| Frame Type | PGL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Switchboards, Motor Control Centers, Enclosures |
| Wire Gauge | (4) 3/0 AWG-500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Trip Unit Model | MicroLogic 3.0 |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator |
|---|---|
| Accessories | Line and Load Lugs Included (AL1200P25K) |
| 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, 80% Rated, True RMS Sensing |
Product FAQs
7 answersWhat does the U31A suffix indicate on the PGL36100U31A?
The U31A suffix designates that the breaker is equipped with a Micrologic 3.0 electronic trip unit, which provides adjustable Long-Time and Instantaneous (LI) protection.
What size wire is accepted by the standard lugs on this 1000A P-frame breaker?
The factory installed lugs accept four 3/0 AWG to 500 kcmil aluminum or copper conductors per phase.
Can the trip unit on the PGL36100U31A be upgraded in the field?
Yes, PowerPacT P-frame breakers feature interchangeable Micrologic trip units. This allows you to upgrade to advanced metering, communication, or ground fault capabilities without replacing the entire breaker frame.
How is the PGL36100U31A mounted in an electrical panel?
This specific model is a unit mount breaker. It bolts directly to the backpan or mounting surface rather than plugging into an I-Line bus.
Can this breaker replace an older Square D MAL361000?
Yes, the PowerPacT P-frame is the direct manufacturer replacement for the discontinued legacy M-frame MAL361000. Note that mounting modifications may be required depending on your specific enclosure.
Is the PGL36100U31A rated for 100 percent continuous current?
No, standard PowerPacT P-frame breakers are rated for 80 percent continuous current. A 100 percent rated version would require a specific catalog number with a C suffix.
Does this breaker include ground fault protection?
No, the included Micrologic 3.0 trip unit only provides Long-Time and Instantaneous protection. If ground fault protection is required, you must upgrade to a Micrologic 6.0 LSIG trip unit.
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