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Square D PGA36120U41A Molded Case Circuit Breaker
- 1200A
- 3 Pole
- I-Line
Square D
PGA36120U41A
Molded Case Circuit Breaker
Brand
Square D
SKU
PGA36120U41A
Quantity
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Square D PGA36120U41A - 1200A 3 Pole Molded Case Circuit Breaker
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Description
Built for advanced power monitoring, the Square D PGA36120U41A is a 1200A, 3-pole electronic trip molded case circuit breaker. It comes equipped with a Micrologic 3.0A trip unit, offering adjustable Long-Time and Instantaneous (LI) protection alongside an integrated ammeter for real-time current tracking. Designed for Square D I-Line panelboards and switchboards, this P-Frame MCCB ensures a secure plug-on bus connection. It delivers a 35kAIC rating at 480VAC and features true RMS sensing.Specifications
| Brand | Square D |
|---|---|
| Part Number | PGA36120U41A |
| Series | PGA |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC |
| Amperage Range | 480-1200A |
|---|
| Frame Type | PGA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Square D I-Line Switchboards |
| Wire Gauge | (4) 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, Communication Module |
|---|---|
| Accessories | Micrologic 3.0A 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, True RMS Sensing, 80% Rated |
Product FAQs
7 answersWhat enclosures are compatible with the PGA36120U41A circuit breaker?
This breaker is designed specifically for Square D I-Line panelboards and switchboards. The I-Line plug-on design is proprietary and will not fit in standard bolt-on enclosures or other manufacturer panelboards.
What are the wire size requirements for the PGA36120U41A lugs?
The standard factory lugs accommodate four 3/0 AWG to 500 kcmil conductors per phase. These terminals are rated for both aluminum and copper wiring.
What does the U41A suffix indicate on this PowerPacT breaker?
The U41A designation specifies that the breaker is equipped with a MicroLogic 3.0A electronic trip unit. This provides adjustable Long-Time and Instantaneous (LI) protection, along with an integrated ammeter for real-time current monitoring.
How is the PGA36120U41A installed onto the bus?
It features an I-Line plug-in mounting style. The breaker jaws push directly onto the I-Line bus stack, allowing for rapid installation without requiring bolted bus connections.
Does the PGA36120U41A include ground fault protection?
No, this specific model features an LI trip unit, which only provides Long-Time and Instantaneous protection. Applications requiring equipment ground fault protection will need a breaker with an LSIG trip unit.
Is the trip unit on the PGA36120U41A adjustable?
Yes, the electronic MicroLogic trip unit allows for adjustable settings on both the Long-Time and Instantaneous trip functions, enabling precise coordination with other overcurrent devices in the electrical system.
What frame size is the PGA36120U41A?
This breaker is part of the Square D PowerPacT P-Frame family. It shares the same physical footprint as other 1200A P-Frame breakers but features the specific PGA interrupting ratings.
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