Square D JGA36250SA Molded Case Circuit Breaker
- 250A
- 3 Pole
- I-Line
Quantity
Square D JGA36250SA - 250A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Featuring an integrated 120VAC shunt trip, the Square D JGA36250SA is a 3-pole, 250A molded case circuit breaker designed for remote tripping applications. Part of the PowerPacT J-Frame family, it utilizes thermal-magnetic technology to provide long-time and instantaneous (LI) protection. This 80% rated breaker installs into Square D I-Line panelboards and switchboards. It replaces legacy KA36250SA units. With a 35kAIC rating at 480VAC, it includes a Visi-Trip indicator and is HACR rated.Specifications
| Brand | Square D |
|---|---|
| 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, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle, Lug Kits |
|---|---|
| Accessories | Shunt Trip 120VAC, 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 | HACR Rated, Visual Trip Indicator, Mercury Free, PVC Free, 80% Rated |
Product FAQs
7 answersWhat panelboards are compatible with the JGA36250SA circuit breaker?
This breaker is designed specifically for Square D I-Line panelboards and I-Line switchboards. It features a plug-in mounting style that connects directly to the I-Line busbar system.
What does the "SA" suffix indicate on the JGA36250SA catalog number?
The "SA" suffix designates that this PowerPacT J-Frame breaker includes a factory-installed 120VAC shunt trip accessory, which allows the breaker to be tripped remotely.
What wire sizes and materials are accepted by the terminals on the JGA36250SA?
The standard lugs on this 250A breaker accept either aluminum or copper (Al/Cu) conductors ranging from 3/0 AWG to 350 kcmil.
How do the trip unit adjustments work on the JGA36250SA?
This breaker uses a thermal-magnetic trip unit with LI (Long-Time and Instantaneous) functions. The thermal protection is fixed, while the magnetic instantaneous trip threshold is adjustable to coordinate with other devices in your system.
What does the LI trip function code mean on this breaker?
The LI designation indicates that the thermal-magnetic trip unit provides Long-Time (L) protection against overloads and Instantaneous (I) protection against short circuits.
What is the maximum DC voltage rating for the JGA36250SA?
In addition to its AC ratings, this breaker is rated for DC applications up to 500VDC, providing a 20kAIC interrupting capacity at both 250VDC and 500VDC.
What frame size is the JGA36250SA?
It is built on the Square D PowerPacT J-Frame platform. The "G" in the catalog number indicates its specific interrupting rating tier (35kAIC at 480VAC), and the "A" denotes the I-Line plug-in connection.
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