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Square D LE36600LS Molded Case Circuit Breaker
- 600A
- 3 Pole
- I-Line
Square D
LE36600LS
Molded Case Circuit Breaker
Brand
Square D
SKU
LE36600LS
Quantity
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Square D LE36600LS - 600A 3 Pole Molded Case Circuit Breaker
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Description
Designed for complex coordination needs, this 600A electronic trip circuit breaker utilizes a Micrologic unit. The adjustable long-time and short-time (LS) parameters allow users to fine-tune protection. It mounts into standard Square D I-Line panelboards and switchboards. When transitioning to current hardware, this model is replaced by the PowerPact LLA36600U33X along with an HNM1BL blank filler. Delivering 65kAIC at 480VAC, true RMS sensing maintains accuracy across distorted waveforms.Specifications
| Brand | Square D |
|---|---|
| Part Number | LE36600LS |
| Series | LE |
| Amperage | 600A |
| Poles | 3 |
| Mounting Style | I-Line |
| 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 | 300-600A |
|---|
| Frame Type | LE |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and Switchboards |
| 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 | LS |
| Trip Function | Long-Time, Short-Time |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | -5C to 60C |
| Construction Features | HACR Rated, True RMS Sensing |
Product FAQs
6 answersWhat type of panelboards is the LE36600LS designed for?
It is designed specifically for Square D I-Line panelboards and switchboards. The I-Line style plug-in connection allows the breaker to mount directly onto the busbar system for the line side connection.
What does the LS designation mean in the LE36600LS part number?
The LS indicates that the electronic trip unit features adjustable Long-Time and Short-Time trip functions. This allows users to fine-tune the protection parameters for complex coordination needs.
What wire sizes are accepted by the load side lugs on this 600A breaker?
The terminals accept two conductors per phase, accommodating wire sizes from 2/0 AWG to 500 kcmil for both aluminum and copper wire.
What is the modern replacement for the legacy LE36600LS circuit breaker?
When transitioning to current hardware, this legacy LE frame model is replaced by the PowerPact LLA36600U33X. You will also need an HNM1BL blank filler plate when installing the replacement in an existing I-Line panelboard.
Does this breaker use standard thermal-magnetic trip technology?
No, the LE36600LS utilizes a solid state electronic trip unit. This Micrologic unit provides true RMS sensing, which maintains accuracy across distorted waveforms better than standard thermal-magnetic breakers.
What safety precautions are required when installing this I-Line breaker?
Always de-energize the switchboard or panelboard before installing or servicing the breaker. Verify the power is off with a properly rated voltage meter and wear appropriate personal protective equipment (PPE) as required by NFPA 70E.
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