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
Part of the PowerPacT P-Frame series, the Square D PGL36080U31A delivers reliable 800A protection for industrial environments. It features a Micrologic 3.0 electronic trip unit, providing adjustable long-time and instantaneous (LI) functions for precise coordination. This unit-mount molded case circuit breaker includes line and load lugs, integrating smoothly into Square D QED switchboards and Model 6 motor control centers. Rated at 35kAIC at 480V, it utilizes true RMS sensing.Specifications
| Brand | Square D |
|---|---|
| Part Number | PGL36080U31A |
| 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 |
|---|
| 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 suffix indicate on the PGL36080U31A?
The U31A suffix specifies that the breaker is equipped with a Micrologic 3.0 electronic trip unit. This provides adjustable long-time and instantaneous (LI) trip functions for precise coordination.
What is the lug configuration for the PGL36080U31A?
This breaker comes with factory-installed lugs that accommodate up to three conductors per phase. Each lug accepts 3/0 AWG to 500 kcmil aluminum or copper wire.
Does this breaker plug into an I-Line panelboard?
No. The PGL36080U31A is a unit-mount breaker, meaning it bolts directly to the backpan or bus. It does not have the jaw connections required for I-Line plug-on panelboards.
How does the PGL series differ from PJL or PKL breakers?
The third letter in the catalog number designates the interrupting rating. The PGL features a G-rated interrupting capacity, whereas PJL (J-rated) and PKL (K-rated) models offer higher short-circuit interrupting ratings within the same 800A P-Frame footprint.
What does the LI trip function code mean on this Micrologic 3.0 breaker?
The LI designation indicates that the electronic trip unit provides adjustable Long-time (L) and Instantaneous (I) overcurrent protection. It does not include Short-time or Ground-fault protection.
Can I install this 800A breaker in a standard Square D NF or NQ panelboard?
No. The PGL36080U31A is a large P-Frame breaker and is not compatible with standard NF or NQ lighting panelboards. It is designed for larger distribution equipment like P-Frame enclosures, QED switchboards, and Model 6 Motor Control Centers.
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