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Schneider Electric / Square D PJA36100U33A Molded Case Circuit Breaker
- 1000A
- 3 Pole
- I-Line
Schneider Electric / Square D
PJA36100U33A
Molded Case Circuit Breaker
Brand
Schneider Electric / Square D
SKU
PJA36100U33A
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Schneider Electric / Square D PJA36100U33A - 1000A 3 Pole Molded Case Circuit Breaker
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Description
Delivering 65kA interrupting capacity at 480VAC, this PowerPacT P-Frame breaker integrates seamlessly into Square D I-Line panelboards and switchboards. The factory-installed Micrologic 5.0 electronic trip unit offers adjustable long-time, short-time, and instantaneous (LSI) protection functions for advanced system coordination. True RMS sensing ensures accurate response to complex waveforms in commercial and industrial power distribution networks.Specifications
| Brand | Schneider Electric / Square D |
|---|---|
| Part Number | PJA36100U33A |
| Series | PJA |
| Amperage | 1000A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 400-1000A |
|---|
| Frame Type | PJA |
|---|---|
| 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 | 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 |
|---|---|
| Accessories | Load Side Lugs Included, Micrologic 5.0 Trip Unit (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, Interchangeable Trip Unit |
Product FAQs
8 answersWhat panelboards are compatible with the PJA36100U33A circuit breaker?
This breaker is designed for use in Square D I-Line panelboards and switchboards. As an I-Line style plug-in breaker, it mounts directly onto the interior bus system.
What does the U33A suffix indicate in the PJA36100U33A catalog number?
The U33A suffix indicates that the breaker is equipped with a Micrologic 5.0 electronic trip unit. This provides adjustable Long-Time, Short-Time, and Instantaneous (LSI) protection functions.
What size wire is accepted by the factory lugs on the PJA36100U33A?
The standard mechanical lugs accept four 3/0 AWG to 500 kcmil aluminum or copper conductors per phase.
Is the PJA36100U33A rated for 100 percent continuous current?
No, this PowerPacT P-Frame circuit breaker carries a standard 80 percent continuous current rating.
Can the trip unit on the PJA36100U33A be upgraded in the field?
Yes. PowerPacT P-Frame breakers with Micrologic trip units feature interchangeable trip units. This allows you to upgrade or replace the trip unit in the field without replacing the entire breaker frame.
Does the PJA36100U33A include a push-to-trip feature?
Yes, it includes an integral push-to-trip button on the front cover. This allows you to manually trip the breaker to verify the mechanical operation of the tripping mechanism.
How much mounting space does the PJA36100U33A require in an I-Line panelboard?
This 3-pole PowerPacT P-Frame circuit breaker requires 9 inches of I-Line mounting space.
What is the difference between the PJA36100U33A and the PGA36100U33A?
The difference is the interrupting rating. The PJA36100U33A has a higher interrupting rating of 100kA at 240VAC and 65kA at 480VAC. The PGA36100U33A has a lower interrupting rating of 65kA at 240VAC and 35kA at 480VAC.
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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.