Schneider ElectricJDA36250U31X
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Square D JDP36250U31X Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
Square D
JDP36250U31X
Molded Case Circuit Breaker
Brand
Square D
SKU
JDP36250U31X
Quantity
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Square D JDP36250U31X - 250A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial applications, the Square D JDP36250U31X is a 3-pole, 250A molded case circuit breaker from the PowerPacT J-Frame family. This unit-mount breaker installs into Square D NF panelboards and switchboards, serving as a direct substitute for JDL36250U31X models. Equipped with a Micrologic 3.2 electronic trip unit, it provides adjustable long-time and instantaneous (LI) protection. It is rated 25kAIC at 240V and features a Visi-Trip indicator for quick fault identification.Specifications
| Brand | Square D |
|---|---|
| Part Number | JDP36250U31X |
| Series | JDP |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC |
| Frame Type | JDP |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D NF Panelboards, Square D Switchboards, Industrial Control Panels |
| 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 | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Undervoltage Release, Auxiliary Switch, Alarm Switch, Motor Operator, Rotary Handle, Lug Kits, Terminal Shields |
|---|---|
| Accessories | Micrologic 3.2 Trip Unit (Factory Installed) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator, 80% Rated, Reverse Feed, True RMS Sensing, RoHS Compliant |
Product FAQs
7 answersWhat enclosures and panels are compatible with the JDP36250U31X?
This unit-mount J-Frame breaker is designed for installation in Square D NF panelboards, switchboards, and industrial control panels.
Can I use aluminum wire with this breaker?
Yes, the factory-installed lugs accept either aluminum or copper wire ranging from 3/0 AWG to 350 kcmil.
What type of trip unit is installed in the JDP36250U31X?
It is equipped with a Micrologic 3.2 electronic trip unit, which provides adjustable long-time and instantaneous (LI) protection.
Is the trip unit on the JDP36250U31X adjustable?
Yes, the Micrologic 3.2 electronic trip unit features adjustable dials for both long-time pickup and instantaneous pickup, allowing for precise coordination.
What does the "D" in the JDP36250U31X catalog number signify?
The "D" indicates the breaker's interrupting rating. In the PowerPacT J-Frame series, a D-rating provides 18kA at 480VAC and 25kA at 240VAC.
How does the JDP36250U31X mount into an enclosure?
This is a unit-mount, or bolt-on, circuit breaker. It bolts directly to the mounting pan or chassis rather than plugging onto a busbar like I-Line variants.
Can the JDP36250U31X replace older JD36250 breakers?
Yes, it serves as a direct unit-mount replacement for legacy JD36250 models, upgrading the older thermal-magnetic trip to a Micrologic 3.2 electronic trip unit.
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