Square D LGL36600U43X Molded Case Circuit Breaker
- 600A
- 3 Pole
- Unit Mount
Square D
LGL36600U43X
Molded Case Circuit Breaker
Brand
Square D
SKU
LGL36600U43X
Quantity
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Square D LGL36600U43X - 600A 3 Pole Molded Case Circuit Breaker
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Description
Delivering advanced circuit protection, the Square D LGL36600U43X is a 600A, 3-pole molded case circuit breaker. It is engineered for robust performance in commercial and industrial electrical systems requiring precise control. This L-Frame breaker features a unit-mount design equipped with line and load lugs. It is compatible with Square D motor control centers and switchboards, and can replace older LA or LH frame units. The device utilizes a MicroLogic 5.3A trip unit with LSI functions.Specifications
| Brand | Square D |
|---|---|
| Series | LGL |
| Amperage | 600A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC |
| Amperage Range | 240-600A |
|---|
| Frame Type | L |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Switchboards, Motor Control Centers, Enclosures |
| Wire Gauge | (2) 2/0 AWG-500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 2/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Trip Unit Model | MicroLogic 5.3A |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs (AL600LS52K3) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, HACR, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | 80% Rated, HACR Rated, Current Limiting, True RMS Sensing |
Product FAQs
6 answersCan I install the LGL36600U43X in an I-Line panelboard?
No, the LGL36600U43X is a unit-mount circuit breaker designed for feed-thru applications. For I-Line panelboard installations, you will need the I-Line equivalent, such as the LGF36600U43X.
What trip unit is included with the LGL36600U43X?
The U43X suffix indicates this breaker is equipped with a MicroLogic 5.3A electronic trip unit. It features an integrated ammeter and adjustable Long-Time, Short-Time, and Instantaneous (LSI) trip functions.
Is the LGL36600U43X a 100% rated circuit breaker?
No, the LGL36600U43X is a standard 80% rated circuit breaker. Continuous loads should not exceed 480 amps, which is 80% of its 600A rating, per National Electrical Code requirements.
What does the G in LGL36600U43X signify?
The G indicates the interrupting rating tier within the PowerPacT L-Frame series. It provides a 35kA interrupting capacity at 480VAC. Other tiers include D, J, and L, which offer different short-circuit current ratings.
Can the LGL36600U43X replace older Square D legacy breakers?
Yes, the PowerPacT L-Frame series is designed to replace older Square D LA and LH frame circuit breakers in many switchboard and motor control center applications, though some mounting modifications may be required.
Does the LGL36600U43X have a push-to-trip feature?
Yes, like all PowerPacT circuit breakers, it includes an integral push-to-trip button on the cover to manually trip the breaker for testing and maintenance.
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