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Square D PJA36120U33A Molded Case Circuit Breaker
- 1200A
- 3 Pole
- I-Line
Square D
PJA36120U33A
Molded Case Circuit Breaker
Brand
Square D
SKU
PJA36120U33A
Quantity
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Square D PJA36120U33A - 1200A 3 Pole Molded Case Circuit Breaker
New
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Square D PJA36120U33A - 1200A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Part Number | PJA36120U33A |
| 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 |
|---|
| Frame Type | PJA |
|---|---|
| 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 | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Trip Unit Model | MicroLogic 5.0 |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Communication Module |
|---|---|
| Accessories | Micrologic 5.0 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, True RMS Sensing |
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Square D PJA36120U33A - 1200A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Part Number | PJA36120U33A |
| 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 |
|---|
| Frame Type | PJA |
|---|---|
| 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 | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Trip Unit Model | MicroLogic 5.0 |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Communication Module |
|---|---|
| Accessories | Micrologic 5.0 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, True RMS Sensing |
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Description
Delivering advanced circuit protection, the Square D PJA36120U33A is a 1200A, 3-pole molded case circuit breaker from the PowerPacT P-frame series. It utilizes an I-Line mounting configuration, making it simple to install into Square D I-Line panelboards and switchboards. It comes equipped with a Micrologic 5.0 electronic trip unit, offering adjustable long-time, short-time, and instantaneous (LSI) functions.Specifications
| Brand | Square D |
|---|---|
| Part Number | PJA36120U33A |
| 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 |
|---|
| Frame Type | PJA |
|---|---|
| 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 | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Trip Unit Model | MicroLogic 5.0 |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Communication Module |
|---|---|
| Accessories | Micrologic 5.0 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, True RMS Sensing |
Product FAQs
8 answersIs the PJA36120U33A continuous current rated at 100% or standard 80%?
This PowerPacT P-frame breaker carries a standard 80% continuous current rating.
What specific MicroLogic trip unit model is installed in the PJA36120U33A?
The U33A suffix in the catalog number indicates this breaker is equipped with a MicroLogic 5.0 electronic trip unit, which manages the adjustable Long-Time, Short-Time, and Instantaneous (LSI) protection settings.
How much bus space does the PJA36120U33A require in an I-Line panelboard?
As a 1200A P-frame circuit breaker, this unit requires 9 inches of available I-Line bus mounting space.
How are the line and load connections physically configured on this breaker?
This I-Line style breaker features a plug-on line side connection that attaches directly to the panelboard bus, while the load side is equipped with factory-installed mechanical lugs for outgoing conductors.
What is the maximum number of conductors the load lugs can accept per phase?
The factory-installed load side lugs are designed to terminate up to four separate 3/0 AWG to 500 kcmil aluminum or copper conductors per phase.
Can the trip unit on the PJA36120U33A be swapped in the field?
Yes, the PowerPacT P-frame platform features field-interchangeable MicroLogic trip units. This allows panel builders to upgrade to alternative trip units with ground fault protection or advanced metering without having to replace the entire breaker frame.
What is the replacement load side lug kit part number for this breaker?
The factory-installed load side mechanical lugs correspond to Square D lug kit catalog number AL1200P25K.
Does this breaker feature an integrated mechanical test mechanism?
Yes, it includes a push-to-trip button on the front cover. This allows maintenance personnel to manually trip the circuit breaker and verify that the mechanical linkage is operating correctly.
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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.