Square D PGL36080U31A Molded Case Circuit Breaker
- 800A
- 3 Pole
- Unit Mount
Square D
PGL36080U31A
Molded Case Circuit Breaker
Brand
Square D
SKU
PGL36080U31A
Quantity
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Square D PGL36080U31A - 800A 3 Pole Molded Case Circuit Breaker
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Description
Built around the reliable Micrologic 3.0 trip unit, this 800A PowerPacT P-frame breaker delivers essential long-time and instantaneous (LI) protection. The electronic sensing mechanism ensures accurate true RMS measurements. This standard 80% rated breaker features a unit-mount configuration, making it compatible with Square D P-frame enclosures and QED switchboards. Adjustable trip settings offer superior coordination compared to traditional thermal-magnetic alternatives.Specifications
| Brand | Square D |
|---|---|
| Series | PGL |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC |
| Amperage Range | 320-800A |
|---|
| Frame Type | P |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D P-Frame Enclosures, QED Switchboards, Model 6 Motor Control Centers |
| Wire Gauge | (3) 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, Motor Operator, Padlock Attachment, Communication Module |
|---|---|
| Accessories | Line and Load Lugs Included |
| 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 | 80% Rated, HACR Rated, True RMS Sensing |
Product FAQs
6 answersWhat does the "U31A" signify in the PGL36080U31A catalog number?
The "U31" specifies that the breaker includes a Micrologic 3.0 electronic trip unit for long-time and instantaneous (LI) protection. The "A" suffix indicates it is equipped with the standard factory rating plug.
Are terminal lugs included with this PowerPacT P-frame breaker?
Yes. The "L" in the part number prefix (PGL) indicates that this unit comes factory-equipped with mechanical lugs on both the line and load sides.
Can I upgrade the electronic trip unit on the PGL36080U31A?
Yes, the included Micrologic 3.0 trip unit is field-interchangeable. Electricians and panel builders can swap it for a more advanced Micrologic unit, such as one featuring short-time or ground-fault protection, without having to replace the entire circuit breaker.
Is the PGL36080U31A rated for 100 percent continuous operation?
No, this standard PowerPacT circuit breaker carries an 80 percent continuous current rating. In accordance with standard electrical safety codes, continuous loads must not exceed 80 percent of its 800-ampere nominal capacity.
Which replacement lug kit is compatible with the PGL36080U31A?
If the original factory terminals are damaged, you can replace them using the AL800M23K mechanical lug kit.
What safety precautions apply when terminating the conductors on this breaker?
You must use a calibrated torque wrench to achieve the exact torque values listed on the circuit breaker faceplate. Ensure that conductor strands do not interfere with the threads of the wire binding screw, as this can cause a false torque reading and lead to dangerous overheating during operation.
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