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Square D PGA36080 Molded Case Circuit Breaker
- 800A
- 3 Pole
- I-Line
Square D
PGA36080
Molded Case Circuit Breaker
Brand
Square D
SKU
PGA36080
Quantity
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Square D PGA36080 - 800A 3 Pole Molded Case Circuit Breaker
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Description
Built for industrial applications, the Square D PGA36080 is an 800A electronic trip molded case circuit breaker. It belongs to the PowerPacT P-Frame family, delivering precise LI protection. This unit features I-Line mounting for seamless integration into Square D I-Line panelboards and switchboards. It also serves as a replacement for legacy MA36800 breakers. Rated for 35 kAIC at 480V, it includes an ET 1.0I trip unit and is 80% rated for continuous loads.Specifications
| Brand | Square D |
|---|---|
| Part Number | PGA36080 |
| Series | PGA |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC |
| Frame Type | PGA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and 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 | Fixed Thermal, Adjustable Magnetic |
| Trip Unit Model | ET 1.0I |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Padlock Attachment |
|---|---|
| Accessories | ET 1.0I Electronic 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 | HACR Rated, 80% Rated, True RMS Sensing |
Product FAQs
5 answersHow does the I-Line connection work on the PGA36080?
This breaker features an I-Line style plug-on connection for the line side, allowing it to snap directly into the busbar of Square D I-Line panelboards and switchboards. The load side utilizes standard mechanical lugs for wire termination.
What does the G in the PGA36080 catalog number indicate?
The G designates the interrupting rating tier for this PowerPacT P-frame breaker. It provides a short-circuit current rating of 65kA at 240VAC, 35kA at 480VAC, and 18kA at 600VAC.
Which trip unit comes standard with the base PGA36080 breaker?
The base PGA36080 comes with a fixed ET 1.0I electronic trip unit, which provides basic Long-Time and Instantaneous (LI) protection. For interchangeable Micrologic trip units, a different catalog suffix (such as U31A or U33A) is required.
What is the recommended tightening torque for the load-side lugs on this breaker?
The standard AL800M23K mechanical lugs on this 800A breaker should be torqued to 442.5 lb-in (50 N.m) for 3/0 AWG to 500 kcmil aluminum or copper conductors.
Can the PGA36080 replace older Square D 800A I-Line breakers?
Yes, the PowerPacT P-frame PGA36080 serves as a modern drop-in replacement for legacy Square D 800A I-Line breakers, such as the MA36800.
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