Square D LEL36250LSG Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
Square D
LEL36250LSG
Molded Case Circuit Breaker
Brand
Square D
SKU
LEL36250LSG
Quantity
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Square D LEL36250LSG - 250A 3 Pole Molded Case Circuit Breaker
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250A 3 Pole Molded Case Circuit Breaker
250A 3 Pole Molded Case Circuit Breaker
Description
Engineered for industrial applications, the Square D LEL36250LSG is a 3-pole, 250A electronic trip circuit breaker. It utilizes microprocessor-based sensing to deliver precise overcurrent protection. This unit-mount MCCB installs into QED switchboards, Model 6 motor control centers, and individual enclosures. As a legacy L-Frame model, it is replaced by the LJL36250U63X for modern upgrades. Rated 65 kAIC at 480V, it features a Micrologic trip unit with adjustable LSIG functions.Specifications
| Brand | Square D |
|---|---|
| Part Number | LGA36400U31X-R |
| Series | LEL |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 35kA @ 600Y/347VAC, 35kA @ 600VAC |
| Amperage Range | 125-250A |
|---|
| Frame Type | LGA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D QED Switchboards, Model 6 Motor Control Centers, Individual Enclosures |
| Wire Gauge | (1) 1 AWG - 600 kcmil (Al/Cu) or (2) 1 AWG - 250 kcmil (Al/Cu) |
| Max Wire | 600 kcmil |
| Min Wire | 1 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSIG |
| Trip Function | Long-Time, Short-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Micrologic Trip Unit |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, True RMS Sensing, Non-Interchangeable Trip |
Product FAQs
5 answersWhat wire sizes are accepted by the standard lugs on the LEL36250LSG?
The standard lugs accommodate either a single 1 AWG to 600 kcmil wire or two 1 AWG to 250 kcmil wires per phase. Both aluminum and copper conductors are supported.
What protection functions are included in the LEL36250LSG electronic trip unit?
The LSIG trip unit provides adjustable Long-Time, Short-Time, Instantaneous, and Ground-Fault protection, allowing for precise coordination with other breakers in your electrical system.
Where can the LEL36250LSG circuit breaker be installed?
This breaker is designed for use in Square D QED switchboards, Model 6 Motor Control Centers, and compatible individual enclosures.
Is the LEL36250LSG part of the current Square D product line?
The LEL36250LSG belongs to the legacy Square D L-frame family. While still used for direct replacements, new applications typically utilize the modern PowerPact L-frame series.
Does the LEL36250LSG plug into an I-Line panelboard?
No, the LEL36250LSG is a unit-mount, feed-thru circuit breaker. It bolts directly to the enclosure or backpan and is not compatible with I-Line bus connections.
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