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Square D PJA36025U44AE1ABYP Molded Case Circuit Breaker
- 250A
- 3 Pole
- I-Line
Square D
PJA36025U44AE1ABYP
Molded Case Circuit Breaker
Brand
Square D
SKU
PJA36025U44AE1ABYP
Quantity
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Square D PJA36025U44AE1ABYP - 250A 3 Pole Molded Case Circuit Breaker
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Description
Integrating seamlessly into facility management systems, this 250A PowerPacT P-Frame breaker includes a factory-installed Modbus communication module and auxiliary switch. The unit installs into standard Square D I-Line panelboards, providing a secure plug-on connection for commercial power distribution. Its Micrologic 6.0A electronic trip unit delivers precise LSIG protection, while the included handle padlock attachment ensures compliance with standard lockout/tagout safety procedures.Specifications
| Brand | Square D |
|---|---|
| Part Number | PJA36025U44AE1ABYP |
| Series | PJA |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 100-250A |
|---|
| Frame Type | PJA |
|---|---|
| Terminal Type | Lugs |
| For Use With | I-Line Panelboards, 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, Undervoltage Release, Alarm Switch, Motor Operator |
|---|---|
| Accessories | Auxiliary Switch (AB), Handle Padlock Attachment (YP), Modbus Communication Module (E1), Micrologic 6.0A Trip Unit |
| 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, 80% Rated, True RMS Sensing |
Product FAQs
8 answersWhat do the U44, E1, AB, and YP suffixes mean in the PJA36025U44AE1ABYP catalog number?
The U44 designates a Micrologic 6.0A (Ammeter) electronic trip unit with LSIG functions. E1 indicates a factory-installed Modbus communication module. AB means it includes an auxiliary switch, and YP signifies a handle padlock attachment.
What trip functions are adjustable on the Micrologic 6.0A trip unit?
The Micrologic 6.0A trip unit features fully adjustable LSIG protection. This includes Long-Time, Short-Time, Instantaneous, and Ground-Fault pickup and delay settings for precise system coordination.
Which panelboards are compatible with the PJA36025U44AE1ABYP circuit breaker?
This P-Frame breaker features an I-Line style plug-in connection and is designed for use in standard Square D I-Line panelboards and switchboards.
What wire sizes are accepted by the lugs on this 250A breaker?
The factory-installed lugs accept three 3/0 AWG to 500 kcmil aluminum or copper conductors per phase.
Does this breaker support standard lockout/tagout (LOTO) procedures?
Yes, the YP suffix indicates that a handle padlock attachment is factory-installed, allowing the breaker to be locked in the OFF position for safe maintenance and OSHA-compliant LOTO procedures.
Can this breaker integrate into a facility management or SCADA system?
Yes, the included E1 Modbus communication module allows the breaker to transmit energy metering data and status information to compatible facility management and SCADA networks.
What is the purpose of the included auxiliary switch (AB suffix)?
The auxiliary switch provides remote indication of the breaker's ON or OFF status. It can be wired to indicator lights, alarms, or control systems to monitor the breaker position.
Does this breaker provide ground-fault protection?
Yes, the Micrologic 6.0A trip unit includes integrated ground-fault protection (the G in LSIG), which can be adjusted for both pickup levels and time delays to protect equipment from ground-level faults.
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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.