Schneider ElectricJDA36250U31X
Square D JDA36250U33X Molded Case Circuit Breaker
- 250A
- 3 Pole
- I-Line
Square D
JDA36250U33X
Molded Case Circuit Breaker
Brand
Square D
SKU
JDA36250U33X
Quantity
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Square D JDA36250U33X - 250A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Square D JDA36250U33X - 250A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Series | JDA |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC |
| Amperage Range | 62.5-250A |
|---|
| Frame Type | JDA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Switchboards |
| Wire Gauge | 3/0 AWG - 350 kcmil (Al/Cu) |
| Max Wire | 350 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Available Options | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release |
|---|---|
| Accessories | Micrologic 3.2S Trip Unit |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, IEC, NOM, UKCA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator, True RMS Sensing, Mercury Free, PVC Free |
Quantity
Square D JDA36250U33X - 250A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Series | JDA |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC |
| Amperage Range | 62.5-250A |
|---|
| Frame Type | JDA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Switchboards |
| Wire Gauge | 3/0 AWG - 350 kcmil (Al/Cu) |
| Max Wire | 350 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Available Options | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release |
|---|---|
| Accessories | Micrologic 3.2S Trip Unit |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, IEC, NOM, UKCA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator, True RMS Sensing, Mercury Free, PVC Free |
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Description
Designed for reliable power distribution, this 3-pole, 250A PowerPacT J-Frame circuit breaker provides advanced overcurrent protection for commercial and industrial facilities. The plug-in design mounts into Square D I-Line panelboards and switchboards. It is an excellent microprocessor-based upgrade for older KA36250 thermal-magnetic breakers. This standard-rated MCCB includes a Micrologic 3.2S trip unit with adjustable LSI functions, offering superior coordination and an 18kAIC rating at 480V.Specifications
| Brand | Square D |
|---|---|
| Series | JDA |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC |
| Amperage Range | 62.5-250A |
|---|
| Frame Type | JDA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Switchboards |
| Wire Gauge | 3/0 AWG - 350 kcmil (Al/Cu) |
| Max Wire | 350 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Available Options | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release |
|---|---|
| Accessories | Micrologic 3.2S Trip Unit |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, IEC, NOM, UKCA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator, True RMS Sensing, Mercury Free, PVC Free |
Product FAQs
6 answersWhat panelboards are compatible with the JDA36250U33X?
This I-Line plug-in circuit breaker is designed for use in Square D I-Line panelboards and switchboards. It mounts directly onto the interior bus stack.
Can the JDA36250U33X replace older I-Line circuit breakers?
Yes, Square D PowerPacT J-frame I-Line breakers can be installed in existing or older I-Line panelboards to upgrade or replace legacy breakers, provided the voltage and interrupting ratings meet your system requirements.
What does the D in the JDA36250U33X catalog number indicate?
The D designates the interrupting rating of the breaker. For the PowerPacT J-frame series, the D-rating provides an interrupting capacity of 18kA at 480VAC and 25kA at 240VAC.
What trip unit is included with the JDA36250U33X?
The U33X suffix indicates it is equipped with a Micrologic 3.2 S electronic trip unit. This provides adjustable LSI (Long-time, Short-time, and Instantaneous) protection functions for precise coordination.
What size wire does the JDA36250U33X accept?
The factory-installed AL250JD mechanical lugs accept aluminum or copper conductors ranging from 3/0 AWG to 350 kcmil.
Does this breaker require a separate mounting bracket for I-Line panels?
No, the JDA36250U33X features an integrated I-Line plug-in mounting jaw on the line side, allowing it to connect directly onto the panelboard bus without additional mounting hardware.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 13 reviews.
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Rating
13 reviews
- TCTeddy C.Verified BuyerReviewingSquare D JDA36250 - 250A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/3/26Great product and price
Great price and fast shipping. Customer service was great. I'll definitely order from here again
- JDJerry D.Verified BuyerReviewingSquare D JDA36225 - 225A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/25/26A+++
Geat product , and service !
- DHDennis H.Verified BuyerReviewingSquare D JDA36200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars10/30/25Thank you
I was able to get the correct breaker and it came the next day as promised
- JMjohn m.Verified BuyerReviewingSquare D JDA36200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars10/6/25Exact replacement
Exceeded my expectations
- TSTom S.ReviewingSquare D JDA36175 - 175A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/12/22Breakers look good
Breakers look good and delivered on time