Schneider ElectricJDA36250U31X
Square D JDM36250U31X Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
Square D
JDM36250U31X
Molded Case Circuit Breaker
Brand
Square D
SKU
JDM36250U31X
Quantity
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Square D JDM36250U31X - 250A 3 Pole Molded Case Circuit Breaker
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Description
Built for robust electrical distribution, this 250A, 3-pole PowerPacT J-Frame circuit breaker provides advanced electronic trip capabilities. It is designed to handle the rigorous demands of modern commercial and industrial facilities. Engineered for flexible integration, the breaker installs into motor control centers, switchboards, and unit-mount enclosures. It features standard lug terminations that accommodate 3/0 AWG to 350 kcmil wire sizes. Protection is managed by a Micrologic 3.Specifications
| Brand | Square D |
|---|---|
| Series | JDM |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC, 20kA @ 250VDC |
| Amperage Range | 100-250A |
|---|
| Frame Type | J |
|---|---|
| Terminal Type | Lugs |
| For Use With | Industrial Control Panels, Switchboards, Motor Control Centers, Unit Mount Enclosures |
| 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 | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Padlock Attachment, Motor Operator, Rotary Handle, Terminal Shields |
|---|---|
| Accessories | Micrologic 3.2 Trip Unit (Factory Installed) |
| Standards | CSA C22.2 No 5, IEC 60947-2, NEMA AB1, UL 489 |
| Approval | CCC, CE, CSA, IEC, NOM, UKCA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | Current Limiting, HACR Rated, Visual Trip Indicator, True RMS Sensing, Mercury Free, PVC Free |
Product FAQs
6 answersHow does the JDM36250U31X mount into a panel?
It is a unit-mount, bolt-on circuit breaker designed for installation in industrial control panels, switchboards, motor control centers, and standalone enclosures. It does not plug into I-Line panelboards.
What frame size is the JDM36250U31X?
This breaker belongs to the Square D PowerPacT J-Frame family. It shares the same physical footprint as other J-Frame breakers, making it compatible with standard J-Frame enclosures and accessories.
What does the U31X suffix indicate in the catalog number?
The U31X suffix designates that the breaker is equipped with a standard Micrologic 3.2 electronic trip unit, offering adjustable long-time and instantaneous (LI) trip functions without ground fault protection.
Is this breaker compatible with standard PowerPacT J-Frame accessories?
Yes, as a standard J-Frame breaker, it accepts a wide range of field-installable accessories, including shunt trips, auxiliary switches, and undervoltage releases designed for the PowerPacT J-Frame series.
What does the letter D in the JDM36250U31X catalog number represent?
The letter D indicates the breaker's interrupting rating tier within the PowerPacT J-Frame family, which provides 18kAIC at 480VAC and 14kAIC at 600VAC.
Can the JDM36250U31X be reverse fed?
Yes, this breaker is suitable for reverse-fed installations, allowing power to be supplied to either the line or load terminals without affecting its protective functions.
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