Schneider ElectricJDA36250U31X
Square D JDM36250U33X Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
Square D
JDM36250U33X
Molded Case Circuit Breaker
Brand
Square D
SKU
JDM36250U33X
Quantity
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Square D JDM36250U33X - 250A 3 Pole Molded Case Circuit Breaker
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Description
Delivering precise short-time adjustability, this PowerPacT J-Frame utilizes a Micrologic 3.2S electronic trip unit for enhanced system coordination. The 250A, 3-pole JDM36250U33X is a unit-mount breaker designed for switchboards and industrial enclosures. It provides true RMS sensing and current-limiting capabilities with a 25kAIC rating at 240V, ensuring robust LSI protection for complex commercial electrical systems.Specifications
| Brand | Square D |
|---|---|
| Part Number | JDM36250U33X |
| Series | JDM |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC |
| Frame Type | JDM |
|---|---|
| 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 | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle, Terminal Shields |
|---|---|
| Accessories | Line Side Lugs Included |
| Standards | CSA C22.2 No 5, HACR, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, UL 489 |
| Approval | CCC, CE, CSA, IEC, NOM, UL, UKCA |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Visual Trip Indicator, True RMS Sensing, Reverse Feed, Non-Interchangeable Trip, 80% Rated |
Product FAQs
6 answersWhat does the "U33X" suffix mean in the JDM36250U33X catalog number?
The "U33X" suffix indicates the breaker is equipped with a Micrologic 3.2 S electronic trip unit. This provides field-adjustable Long-Time, Short-Time, and Instantaneous (LSI) standard protection.
Can I install the JDM36250U33X in a Square D I-Line panelboard?
No, the JDM36250U33X is a unit-mount (bolt-on) circuit breaker designed for individual enclosures, switchboards, or industrial control panels. For an I-Line plug-in connection, you would need the I-Line equivalent, such as the JDA36250U33X.
What is the difference between the JDM36250U33X and the JDL36250U33X?
The difference is the terminal configuration. The JDM36250U33X is equipped with line-side lugs and load-side terminal nuts, whereas the JDL36250U33X features standard lugs on both the line and load sides.
Can the trip settings on the JDM36250U33X be adjusted in the field?
Yes, the solid-state Micrologic electronic trip unit allows you to adjust the long-time pickup, long-time delay, short-time pickup, short-time delay, and instantaneous trip settings to coordinate with your specific system requirements.
Is the JDM36250U33X suitable for reverse feeding?
Yes, this PowerPacT J-Frame breaker is suitable for reverse-fed applications. Always verify with the specific equipment labeling and local NEC requirements before reverse feeding.
Can I add field-installable accessories like a shunt trip to the JDM36250U33X?
Yes, the PowerPacT J-Frame supports a variety of field-installable internal accessories, including shunt trips, undervoltage releases (UVR), and auxiliary switches. These are installed behind the accessory cover on the front of the breaker.
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