Square D PGA36080U31A Molded Case Circuit Breaker
- 800A
- 3 Pole
- I-Line
Square D
PGA36080U31A
Molded Case Circuit Breaker
Brand
Square D
SKU
PGA36080U31A
Quantity
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Square D PGA36080U31A - 800A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for demanding commercial and industrial environments, the Square D PGA36080U31A is an 800A, 3-pole molded case circuit breaker from the PowerPact P-Frame family. This breaker installs into Square D I-Line panelboards and switchboards using a secure plug-on mounting style. It accepts 3/0 AWG to 500 kcmil wiring. Rated at 35 kAIC at 480V, it features a Micrologic 3.0 electronic trip unit providing adjustable long-time and instantaneous (LI) protection with True RMS sensing.Specifications
| Brand | Square D |
|---|---|
| Series | PGA |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC |
| Amperage Range | 320-800A |
|---|
| Frame Type | PGA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Square D I-Line Switchboards |
| 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, Padlock Attachment, Motor Operator, Communication Module |
|---|---|
| Accessories | Micrologic 3.0 Trip Unit |
| 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
7 answersWhat type of panelboards accept the PGA36080U31A breaker?
This breaker is compatible with Square D I-Line panelboards and switchboards. It utilizes a plug-on I-Line connection on the line side, which mounts directly to the panel bus assembly, and mechanical lugs on the load side.
How much bus space does this P-Frame breaker occupy in an I-Line panelboard?
The PGA36080U31A is a PowerPacT P-Frame circuit breaker, which requires 9 inches of available I-Line mounting space on the busbar.
What features are included with the U31A Micrologic 3.0 trip unit?
The U31A suffix denotes a Micrologic 3.0 electronic trip unit. It provides true RMS sensing with adjustable Long-Time and Instantaneous (LI) protection settings, allowing for precise coordination in your electrical distribution system.
What are the conductor capacity and wire size limits for the load lugs?
The factory-installed mechanical load lugs can accommodate three 3/0 AWG to 500 kcmil aluminum or copper conductors per phase.
Is the PGA36080U31A rated for 80% or 100% continuous current?
This specific PowerPacT P-Frame breaker carries a standard 80% continuous current rating.
Can the Micrologic trip unit on this breaker be upgraded in the field?
Yes, PowerPacT P-Frame breakers feature interchangeable Micrologic trip units. The included 3.0 trip unit can be swapped in the field if your system later requires advanced power metering or communication capabilities.
How can I verify the mechanical operation of the breaker mechanism?
PowerPacT P-Frame breakers include an integral push-to-trip button located on the front cover. Pressing this button manually trips the breaker to ensure the mechanical linkage is functioning properly before maintenance.
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