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Square D PGA36120U44A Molded Case Circuit Breaker
- 1200A
- 3 Pole
- I-Line
Square D
PGA36120U44A
Molded Case Circuit Breaker
Brand
Square D
SKU
PGA36120U44A
Quantity
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Square D PGA36120U44A - 1200A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for heavy-duty industrial applications, the Square D PGA36120U44A is a 1200A, 3-pole molded case circuit breaker. It delivers reliable overcurrent protection for demanding electrical distribution systems. This breaker installs into Square D I-Line panelboards and switchboards using a secure plug-on connection. It accepts 3/0 AWG to 500 kcmil wiring via standard lugs. Rated for 35 kAIC at 480VAC, it features an advanced Micrologic 6.Specifications
| Brand | Square D |
|---|---|
| Part Number | PGA36120U44A |
| 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, 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 | LSIG |
| Trip Function | Long-Time, Short-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Adjustable |
| Trip Unit Model | MicroLogic 6.0A |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Communication Module |
|---|---|
| Accessories | Micrologic 6.0A 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, 80% Rated |
Product FAQs
6 answersWhat does the U44A suffix specify on the PGA36120U44A?
The U44A suffix identifies the factory-installed Micrologic 6.0 A (Ammeter) electronic trip unit. This provides fully adjustable LSIG (Long-time, Short-time, Instantaneous, and Ground-fault) protection parameters for precise system coordination.
Is the PGA36120U44A rated for 80% or 100% continuous current?
This specific catalog number is a standard 80% rated circuit breaker. In typical applications, the continuous load should not exceed 80% of its 1200A nominal rating.
How does this PowerPacT breaker mount into a panelboard?
The PGA36120U44A features a plug-in I-Line connection on the line side, allowing it to mount directly onto the bus of compatible Square D I-Line panelboards and switchboards. The load side utilizes standard mechanical lugs.
Can control accessories like a shunt trip be added to this P-frame breaker?
Yes, PowerPacT P-frame breakers support field-installable internal accessories. Devices like a shunt trip (MX) or undervoltage release (MN) can be wired and mounted into the designated accessory slots located near the breaker handle.
Does the PGA36120U44A provide ground-fault equipment protection?
Yes. The included Micrologic 6.0 A LSIG trip unit features integrated and adjustable ground-fault protection to help prevent equipment damage from ground-level faults, in addition to standard overcurrent protections.
What are the load-side wire size capacities for this 1200A breaker?
The factory-installed mechanical lugs on the load side will accept four 3/0 AWG to 500 kcmil aluminum or copper (Al/Cu) conductors per phase.
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