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Square D PJA36060U44A Molded Case Circuit Breaker
- 600A
- 3 Pole
- I-Line
Square D
PJA36060U44A
Molded Case Circuit Breaker
Brand
Square D
SKU
PJA36060U44A
Quantity
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Square D PJA36060U44A - 600A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Square D PJA36060U44A - 600A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Series | PJA |
| Amperage | 600A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 240-600A |
|---|
| Frame Type | PJA |
|---|---|
| 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 | 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 |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, True RMS Sensing, 80% Rated |
Quantity
Square D PJA36060U44A - 600A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Series | PJA |
| Amperage | 600A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 240-600A |
|---|
| Frame Type | PJA |
|---|---|
| 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 | 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 |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, True RMS Sensing, 80% Rated |
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Description
Built for demanding industrial applications, the PJA36060U44A is a 600A, 3-pole electronic trip MCCB from the Square D PowerPacT P-Frame series. Designed with an I-Line plug-on connection, it mounts into Square D I-Line panelboards and serves as a replacement for legacy MA36060 and MH36060 breakers. The included Micrologic 6.0A trip unit offers adjustable long-time, short-time, instantaneous, and ground fault (LSIG) protection alongside true RMS sensing.Specifications
| Brand | Square D |
|---|---|
| Series | PJA |
| Amperage | 600A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 240-600A |
|---|
| Frame Type | PJA |
|---|---|
| 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 | 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 |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, 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 panelboards are compatible with the PJA36060U44A circuit breaker?
This I-Line plug-on circuit breaker is designed exclusively for use in Square D I-Line panelboards and switchboards. It cannot be installed in standard bolt-on panels or residential load centers.
Can the PJA36060U44A replace older Square D circuit breakers?
Yes, this PowerPacT P-Frame breaker serves as a modern replacement for legacy Square D MA36060 and MH36060 I-Line circuit breakers.
What specific trip unit is included with the PJA36060U44A?
This breaker is equipped with a Micrologic 6.0A electronic trip unit. The A designates an integrated ammeter for current monitoring, while providing adjustable Long-time, Short-time, Instantaneous, and Ground-fault (LSIG) protection.
How many conductors can be terminated on the load side of the PJA36060U44A?
The load side lugs are designed to accept three separate conductors per phase, accommodating wire sizes from 3/0 AWG up to 500 kcmil in either aluminum or copper.
Is the PJA36060U44A rated for 100 percent continuous operation?
No, this breaker carries a standard 80 percent continuous current rating. For a 600A frame, continuous loads must not exceed 480 amps to comply with standard electrical codes.
How is the PJA36060U44A physically installed into a system?
It features an I-Line plug-on connection for the line side, which engages directly with the buswork of an I-Line panelboard or switchboard. The load side utilizes mechanical lugs for standard cable termination.
How does the ground-fault protection function on this breaker?
The integrated ground-fault protection, indicated by the G in the LSIG designation, provides adjustable pickup and delay settings. This allows electricians to fine-tune the breaker for precise system coordination and equipment protection.
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