Square D JJL36250LC Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
Square D
JJL36250LC
Molded Case Circuit Breaker
Brand
Square D
SKU
JJL36250LC
Quantity
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Square D JJL36250LC - 250A 3 Pole Molded Case Circuit Breaker
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Description
The Square D JJL36250LC is a 3-pole, 250A molded case circuit breaker from the PowerPacT J-Frame family. Built for industrial applications, it provides reliable long-time and instantaneous (LI) trip functions. This unit mount MCCB installs into Square D J-Frame enclosures, switchboards, and motor control centers. It also serves as a direct replacement for legacy KH36250 breakers. Rated for 65kAIC at 480VAC, it features a current-limiting design, adjustable magnetic trip, and copper lugs.Specifications
| Brand | Square D |
|---|---|
| Series | JJL |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC, 20kA @ 250VDC |
| Frame Type | JJL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D J-Frame Enclosures, Switchboards, Motor Control Centers |
| Wire Gauge | 1/0 AWG - 300 kcmil (Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 1/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Undervoltage Release, Auxiliary Switch, Alarm Switch, Motor Operator, Rotary Handle, Padlock Attachment |
|---|---|
| Accessories | Copper Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Visual Trip Indicator, Reverse Feed, Non-Interchangeable Trip, Trip-Free Mechanism, RoHS Compliant |
Product FAQs
8 answersWhat enclosures and panels are compatible with the JJL36250LC circuit breaker?
This unit-mount breaker is designed for installation in Square D J-Frame enclosures, switchboards, and motor control centers.
What type of wire is required for the lugs on the JJL36250LC?
The factory-installed lugs on this breaker accept 1/0 AWG to 300 kcmil copper (Cu) wire only.
Is the magnetic trip adjustable on the JJL36250LC?
Yes, this thermal-magnetic breaker features a fixed thermal trip and an adjustable magnetic trip for short-circuit protection coordination.
Can the JJL36250LC replace older Square D 250A breakers?
Yes, the PowerPacT J-Frame JJL36250LC serves as a direct replacement for legacy Square D KH36250 circuit breakers.
How does the JJL36250LC mount into an electrical system?
It is a unit-mount, feed-thru circuit breaker that uses lug connections on both the line and load sides.
What trip functions are included in the JJL36250LC?
It provides Long-Time and Instantaneous (LI) trip functions to protect commercial and industrial electrical systems against overloads and short circuits.
What is the maximum interrupting rating for the JJL36250LC on a 240V system?
When installed on a 240VAC system, this J-Frame breaker has a maximum interrupting rating of 100kAIC.
Can the JJL36250LC be used in DC applications?
Yes, it is rated for use on 250VDC systems with an interrupting capacity of 20kAIC.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
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Rating
2 reviews
- THted h.Verified BuyerReviewingSquare D JJL36200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/29/2536200 breaker
breaker worked good
- LDLeona D.ReviewingSquare D JJL36250 - 250A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/9/21Breaker
Shipped very quickly. Was a "super" price.