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Square D JGA36250 Molded Case Circuit Breaker
- 250A
- 3 Pole
- I-Line
Square D
JGA36250
Molded Case Circuit Breaker
Brand
Square D
SKU
JGA36250
Quantity
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Square D JGA36250 - 250A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Square D JGA36250 - 250A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Part Number | JGA36250 |
| Series | JGA |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 20kA @ 250VDC, 20kA @ 500VDC |
| Frame Type | JGA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, I-Line Switchboards |
| Wire Gauge | 3/0 AWG - 350 kcmil (Al/Cu) |
| Max Wire | 350 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Padlock Attachment, Motor Operator |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, IEC, NOM, UKCA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | Current Limiting, HACR Rated, Visual Trip Indicator, Mercury Free, PVC Free, RoHS Compliant |
Quantity
Square D JGA36250 - 250A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Part Number | JGA36250-R |
| Series | JGA |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 20kA @ 250VDC, 20kA @ 500VDC |
| Frame Type | JGA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, I-Line Switchboards |
| Wire Gauge | 3/0 AWG - 350 kcmil (Al/Cu) |
| Max Wire | 350 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Padlock Attachment, Motor Operator |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, IEC, NOM, UKCA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | Current Limiting, HACR Rated, Visual Trip Indicator, Mercury Free, PVC Free, RoHS Compliant |
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Description
Built for commercial and industrial power distribution, the Square D JGA36250 is a 3-pole, 250A molded case circuit breaker from the PowerPacT J-Frame family. It provides thermal-magnetic protection with long-time and instantaneous (LI) trip functions. This unit installs into Square D I-Line panelboards and switchboards. It serves as a modern replacement for legacy KA36250 breakers.Specifications
| Brand | Square D |
|---|---|
| Part Number | JGA36250 |
| Series | JGA |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 20kA @ 250VDC, 20kA @ 500VDC |
| Frame Type | JGA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, I-Line Switchboards |
| Wire Gauge | 3/0 AWG - 350 kcmil (Al/Cu) |
| Max Wire | 350 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Padlock Attachment, Motor Operator |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, IEC, NOM, UKCA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | Current Limiting, HACR Rated, Visual Trip Indicator, Mercury Free, PVC Free, RoHS Compliant |
Product FAQs
9 answersWhat panels are compatible with the JGA36250 circuit breaker?
This breaker is designed exclusively for use in Square D I-Line panelboards and I-Line switchboards. It will not fit in standard QO, NQ, or non-I-Line commercial panels.
Can the JGA36250 replace older 250A Square D breakers?
Yes, this PowerPacT J-Frame breaker serves as a modern, direct replacement for legacy Square D KA-Frame I-Line breakers, including the KA36250 and KH36250.
How are wires terminated on the JGA36250?
As an I-Line breaker, it features plug-on jaws on the line side that connect directly to the panelboard bus. The load side includes mechanical lugs that accept 3/0 AWG to 350 kcmil aluminum or copper wire.
What does the G in the JGA36250 catalog number signify?
The G indicates the breaker's interrupting capacity tier within the PowerPacT J-Frame family. It designates a rating of 35kAIC at 480VAC and 65kAIC at 240VAC.
Is the trip unit on this breaker adjustable?
Yes, it features a thermal-magnetic trip unit with a fixed thermal element (set at 250A) for overload protection and an adjustable magnetic element for short-circuit protection.
What is the adjustable magnetic trip range for the JGA36250?
The magnetic instantaneous trip can be adjusted between a low setting of 1250A and a high setting of 2500A.
Is the JGA36250 rated for continuous operation at 100 percent?
No, this model carries a standard 80 percent continuous current rating. Square D designates 100 percent rated PowerPacT breakers with a different suffix.
What phase connection does this I-Line breaker use?
The JGA36250 comes with a standard ABC phase connection for 3-pole I-Line panelboards.
What safety certifications does the JGA36250 carry?
This breaker is UL 489 Listed and carries CSA, NOM, IEC, CE, and UKCA marks for global safety and performance compliance.
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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
- JHJoelle H.Rated 5 out of 5 stars6/10/21Great Service
Fast Shipping
- CGChay G.Rated 5 out of 5 stars2/5/21250A breaker
Even with the special Square D pricing we receive from our local vendors SuperBreakers pricing is often the lowest available. Fast shipping and great customer service.