Square D DJL36250E20 Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
Quantity
Square D DJL36250E20 - 250A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Delivering mission-critical reliability, the Square D DJL36250E20 is a 3-pole, 250A unit mount MCCB rated for 65kAIC at 480VAC. It installs into Square D switchboards, motor control centers, and enclosures. It includes line and load lugs. Note that this legacy model is replaced by the LJL36250U31X. Equipped with advanced electronic trip technology, it offers adjustable Long-Time and Short-Time (LS) protection for precise selective coordination.Specifications
| Brand | Square D |
|---|---|
| Part Number | DJL36250E20 |
| Series | DJL |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Frame Type | JJL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Switchboards, Motor Control Centers, Enclosures |
| Wire Gauge | (1) 2 AWG-600 kcmil (Cu) or (1) 2 AWG-500 kcmil (Al) |
| Max Wire | 600 kcmil |
| Min Wire | 2 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LS |
| Trip Function | Long-Time, Short-Time |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Line and Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | Mission Critical, Current Limiting, True RMS Sensing, HACR Rated, Reverse Feed |
Product FAQs
7 answersWhat equipment is the DJL36250E20 compatible with?
This unit mount circuit breaker is designed for installation in Square D switchboards, motor control centers, and individual enclosures.
What wire sizes and materials are accepted by the lugs on this breaker?
The terminals accept one 2 AWG to 600 kcmil copper wire, or one 2 AWG to 500 kcmil aluminum wire per phase.
What does the LS trip function indicate on this electronic trip breaker?
The LS designation means the electronic trip unit features adjustable Long-Time and Short-Time protection. This allows for precise selective coordination and tailored overcurrent protection for specific load requirements.
How is the DJL36250E20 mounted within an electrical system?
This is a unit mount, feed-thru circuit breaker. It is installed using traditional mounting hardware and wired directly via lugs, rather than plugging into a busbar like I-Line panelboard breakers.
Can this 600VAC breaker be used on lower voltage systems like 480VAC or 240VAC?
Yes. It is rated for up to 600VAC and can be safely applied to lower voltage systems. The interrupting capacity increases at lower voltages, providing 65kA at 480VAC and 100kA at 240VAC.
How does the electronic trip unit improve system safety compared to standard thermal-magnetic breakers?
Electronic trip units provide highly accurate, adjustable trip settings. This allows panel builders to precisely match the protection curve to the connected load, reducing nuisance tripping and improving overall system coordination during fault conditions.
What breaker family does the DJL36250E20 belong to?
This breaker is part of the Square D PowerPacT family, specifically categorized under the D-Frame group of molded case circuit breakers.
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