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Square D PJA36120U64AE1 Molded Case Circuit Breaker
- 1200A
- 3 Pole
- I-Line
Square D
PJA36120U64AE1
Molded Case Circuit Breaker
Brand
Square D
SKU
PJA36120U64AE1
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Square D PJA36120U64AE1 - 1200A 3 Pole Molded Case Circuit Breaker
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Square D PJA36120U64AE1 - 1200A 3 Pole Molded Case Circuit Breaker
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| Brand | Square D |
|---|---|
| Part Number | PJA36120U64AE1 |
| Series | PJA |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 480-1200A |
|---|
| 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 6.0P |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator |
|---|---|
| Accessories | Load Side Lugs Included, Communication Module (Factory Installed) |
| 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, Visual Trip Indicator, Adjustable Trip, Power Metering, Phase Loss Protection, Modbus Communication |
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Square D PJA36120U64AE1 - 1200A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Series | PJA |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 480-1200A |
|---|
| 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 6.0P |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator |
|---|---|
| Accessories | Load Side Lugs Included, Communication Module (Factory Installed) |
| 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, Visual Trip Indicator, Adjustable Trip, Power Metering, Phase Loss Protection, Modbus Communication |
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Description
Designed for advanced energy management, the Square D PJA36120U64AE1 is a 1200A, 3-pole molded case circuit breaker. It provides sophisticated power monitoring and protection for industrial facilities. This unit installs into Square D I-Line panelboards and switchboards, featuring plug-on line connections and mechanical load lugs. Rated 65 kAIC at 480V, it includes a Micrologic 6.0P electronic trip unit with adjustable LSIG functions, integrated power metering, and Modbus communication.Specifications
| Brand | Square D |
|---|---|
| Series | PJA |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 480-1200A |
|---|
| 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 6.0P |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator |
|---|---|
| Accessories | Load Side Lugs Included, Communication Module (Factory Installed) |
| 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, Visual Trip Indicator, Adjustable Trip, Power Metering, Phase Loss Protection, Modbus Communication |
Product FAQs
7 answersWhich panelboards are compatible with the PJA36120U64AE1?
This P-frame circuit breaker is designed for use in Square D I-Line panelboards and switchboards. It requires 9 inches of mounting space on the I-Line bus.
How does this P-frame breaker connect to the electrical system?
It features an I-Line style plug-on connection for the line side and mechanical lugs on the load side. This allows for quick and secure installation onto the panelboard bus without needing line-side cabling.
What does the "U64" suffix mean in the catalog number?
The "U64" designates a factory-installed MicroLogic 6.0P electronic trip unit. This advanced unit includes adjustable LSIG (Long-time, Short-time, Instantaneous, Ground-fault) protection along with integrated power metering capabilities.
Does this circuit breaker support network monitoring?
Yes, the "E1" suffix indicates it comes factory-equipped with a Modbus Breaker Communication Module (BCM) for energy management and network monitoring.
Is the trip unit on this PowerPacT P-frame breaker field-replaceable?
Yes, the MicroLogic trip units on PowerPacT P-frame breakers are field-interchangeable. This allows you to upgrade the breaker's functionality or swap trip units in the field without replacing the entire 1200A frame.
What is the continuous current rating of this circuit breaker?
The PJA36120U64AE1 is a standard-rated circuit breaker, meaning it is approved for continuous operation at 80% of its 1200A maximum rating. Frame variants designed for 100% continuous operation would include a "C" in the catalog number.
Does the PJA36120U64AE1 include a push-to-trip feature?
Yes, all PowerPacT breakers include a push-to-trip button on the front cover. This allows you to manually trip the breaker to verify the mechanical operation of the opening mechanism during routine maintenance.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
Total 5 star reviews: 2 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
2 reviews
- TGTroy G.Verified BuyerReviewingSquare D PJA36120U44A - 1200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/21/25Help with flood conditions
The whole process with Technitrol was Awesome. Jim the owner was extremely helpful he caught some problems with one of the breakers that I didn't notice very helpful. James and Collin were great also. The whole company really step up helping me determine what path I should take to replace/refurbish breakers that went through a flood. I never experienced a flood like this they were an awesome resource and help to me and my employer the City of Wauwatosa
- RNRoss N.ReviewingSquare D PJA36080CU31A - 800A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/12/22Stock!
Superbreakers has gotten my company out of a few binds recently. When stock is unavailable at my local supplier I've been turning to Superbreakers to save the day. Great customer service and timely shipments.