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Square D PGA36080U41A Molded Case Circuit Breaker
- 800A
- 3 Pole
- I-Line
Square D
PGA36080U41A
Molded Case Circuit Breaker
Brand
Square D
SKU
PGA36080U41A
Quantity
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Square D PGA36080U41A - 800A 3 Pole Molded Case Circuit Breaker
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Description
Built for industrial power systems, the Square D PGA36080U41A is an 800A, 3-pole PowerPact P-Frame molded case circuit breaker. It combines robust construction with microprocessor-based sensing. Designed to mount into Square D I-Line panelboards, this unit also serves as a replacement for legacy MA36800 breakers. The integrated Micrologic 3.0A electronic trip unit offers adjustable LI settings alongside a built-in ammeter. It delivers a 35 kAIC rating at 480V and True RMS sensing.Specifications
| Brand | Square D |
|---|---|
| Part Number | PGA36080U41A |
| 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 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 | Adjustable |
| Trip Unit Model | MicroLogic 3.0A |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator |
|---|---|
| Accessories | Load Side 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 | HACR Rated, 80% Rated, True RMS Sensing |
Product FAQs
7 answersWhat type of panelboard is the PGA36080U41A designed for?
It is designed exclusively for Square D I-Line panelboards and switchboards. The breaker features a plug-on jaw connection for the line side busbar and mechanical lugs on the load side.
What does the U41A suffix in the catalog number indicate?
The U41A designates a MicroLogic 3.0A electronic trip unit. This specific unit provides adjustable Long-Time and Instantaneous (LI) trip functions and includes an integrated ammeter for current monitoring.
What wire sizes do the load lugs on this breaker accept?
The factory lugs accept three 3/0 AWG to 500 kcmil aluminum or copper conductors per phase.
What is the difference between Square D PGA, PJA, and PLA circuit breakers?
The third letter in the prefix indicates the interrupting rating tier. The PGA offers 35kAIC at 480V, the PJA offers 65kAIC at 480V, and the PLA offers 100kAIC at 480V. All three share the same physical P-Frame footprint and I-Line mounting style.
Can this I-Line circuit breaker be reverse fed?
No. I-Line circuit breakers feature plug-on jaws that must connect directly to the panelboard busbar for the line side connection, making them physically unsuitable for reverse-feed applications.
Is the PGA36080U41A a standard 80 percent or 100 percent rated breaker?
This model is a standard 80 percent rated circuit breaker. Continuous loads should not exceed 80 percent of its 800A nominal rating.
Does the MicroLogic 3.0A trip unit provide ground fault protection?
No. The MicroLogic 3.0A trip unit provides only Long-Time and Instantaneous (LI) overcurrent protection. It does not include equipment ground fault protection.
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