Square D PJL36080U31A Molded Case Circuit Breaker
- 800A
- 3 Pole
- Unit Mount
Square D
PJL36080U31A
Molded Case Circuit Breaker
Brand
Square D
SKU
PJL36080U31A
Quantity
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Square D PJL36080U31A - 800A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for reliable industrial protection, the Square D PJL36080U31A is an 800A, 3-pole MCCB. As part of the PowerPacT P-Frame family, it provides robust performance for heavy-duty electrical systems. This unit-mount breaker is compatible with Square D QED switchboards and P-Frame enclosures. It is also an exact replacement for discontinued PE800 models. The integrated Micrologic 3.0 trip unit offers adjustable long-time and instantaneous (LI) settings with true RMS sensing.Specifications
| Brand | Square D |
|---|---|
| Part Number | PJL36080U31A |
| Series | PJL |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 320-800A |
|---|
| Frame Type | PJL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D QED Switchboards, Motor Control Centers, PowerPacT P-Frame Enclosures |
| 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, Rotary Handle, Padlock Attachment |
|---|---|
| Accessories | Micrologic 3.0 Trip Unit, Lugs |
| 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 this breaker?
The U31A suffix signifies 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 circuit protection.
Which lug kit is compatible with this 800A P-Frame breaker?
The standard mechanical lug kit for this breaker is the AL800M23K. It accepts three 3/0 AWG to 500 kcmil aluminum or copper conductors per phase.
Is the PJL36080U31A rated for 80% or 100% continuous current?
This specific catalog number is standard rated, meaning it is designed to carry 80% of its 800A maximum continuous current rating when installed in an enclosure.
What is the difference between the PJL36080U31A and the PGL36080U31A?
The difference is the interrupting rating. The PJL features a J-class interrupting rating (65kA at 480VAC), whereas the PGL features a G-class interrupting rating (35kA at 480VAC).
Can the trip unit on the PJL36080U31A be changed in the field?
Yes, PowerPacT P-Frame breakers feature interchangeable Micrologic trip units. This allows licensed electricians to upgrade or modify the trip functions in the field without replacing the entire breaker frame.
What equipment is compatible with this unit mount breaker?
This feed-thru breaker is designed for use in Square D QED switchboards, motor control centers, and dedicated PowerPacT P-Frame enclosures.
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