Square D PGL36080CU43A Molded Case Circuit Breaker
- 800A
- 3 Pole
- Unit Mount
Square D
PGL36080CU43A
Molded Case Circuit Breaker
Brand
Square D
SKU
PGL36080CU43A
Quantity
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Square D PGL36080CU43A - 800A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for demanding commercial environments, this 800A PowerPacT P-frame breaker delivers precise LSI protection via a Micrologic 5.0A trip unit. It features adjustable long-time, short-time, and instantaneous settings with true RMS sensing. This unit-mount configuration installs into Square D enclosures, QED switchboards, and Model 6 motor control centers. A 100% continuous current rating maximizes circuit capacity, while the built-in ammeter enhances system coordination.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 | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Trip Unit Model | MicroLogic 5.0A |
| 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 | 100% Rated, Ammeter, HACR Rated, True RMS Sensing, Zone Selective Interlocking |
Product FAQs
8 answersWhat does the "C" in the PGL36080CU43A catalog number indicate?
The "C" signifies that this circuit breaker is 100% rated. This allows the breaker to carry its full 800A continuous current rating without the standard 80% derating, provided it is installed in a properly sized enclosure with 90 degrees C rated wire sized to the 75 degrees C ampacity column.
What type of trip unit is included with the PGL36080CU43A?
This breaker is equipped with a Micrologic 5.0A electronic trip unit, indicated by the "U43A" suffix. It provides adjustable Long-Time, Short-Time, and Instantaneous (LSI) protection, along with an integrated ammeter for current monitoring.
Can I use the PGL36080CU43A in an I-Line panelboard?
No. The "L" in the PGL prefix indicates this is a unit-mount breaker with lugs on both the line and load sides. For an I-Line panelboard, you would need an I-Line version, such as the PGA or PJA series, which features plug-on line terminations.
What enclosures and switchboards are compatible with this breaker?
The PGL36080CU43A is designed for use in Square D P-Frame enclosures, QED switchboards, and Model 6 Motor Control Centers.
What wire sizes are accepted by the lugs on the PGL36080CU43A?
The factory-installed lugs accept three 3/0 AWG to 500 kcmil aluminum or copper conductors per phase.
Is the PGL36080CU43A suitable for reverse feeding?
Yes. All PowerPacT P-frame circuit breakers, including those with Micrologic electronic trip units, can be reverse fed. They are not restricted to forward-fed applications.
Does this breaker include ground fault protection?
No. The Micrologic 5.0A trip unit provides Long-Time, Short-Time, and Instantaneous (LSI) protection only. If ground fault protection is required, you would need a breaker with a Micrologic 6.0A (LSIG) trip unit, such as the U44A suffix.
What is the frame size of the PGL36080CU43A?
This breaker is built on the 1200A PowerPacT P-frame, but it is equipped with an 800A sensor and rating plug to limit the maximum continuous current to 800 amps.
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