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Square D LI36500 Molded Case Circuit Breaker
- 500A
- 3 Pole
- I-Line
Square D
LI36500
Molded Case Circuit Breaker
Brand
Square D
SKU
LI36500
Quantity
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Square D LI36500 - 500A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Square D LI36500 - 500A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Part Number | LI36500 |
| Series | LI |
| Amperage | 500A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 200kA @ 480Y/277VAC, 200kA @ 480VAC, 100kA @ 600Y/347VAC, 100kA @ 600VAC |
| Frame Type | LI |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards |
| Wire Gauge | (2) 4/0 AWG - 500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 4/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, NEMA AB 1, NFPA 70, UL 489 |
| Approval | CSA, NOM, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, High Interrupting Capacity, HACR Rated |
| Special Features | Current Limiting |
Quantity
Square D LI36500 - 500A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Series | LI |
| Amperage | 500A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 200kA @ 480Y/277VAC, 200kA @ 480VAC, 100kA @ 600Y/347VAC, 100kA @ 600VAC |
| Frame Type | LI |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards |
| Wire Gauge | (2) 4/0 AWG - 500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 4/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, NEMA AB 1, NFPA 70, UL 489 |
| Approval | CSA, NOM, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, High Interrupting Capacity, HACR Rated |
| Special Features | Current Limiting |
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Description
Built for heavy-duty industrial applications, the Square D LI36500 is a 3-pole, 500A current-limiting MCCB. It delivers robust long-time and instantaneous (LI) thermal-magnetic protection for demanding environments. Designed for Square D I-Line panelboards, this unit features a plug-on mounting style. It is officially replaced by the PowerPacT LRA36600U31X, which can be dialed to a 500A trip setting. With a 200 kAIC rating at 480VAC, it effectively safeguards downstream electrical devices.Specifications
| Brand | Square D |
|---|---|
| Part Number | LI36500 |
| Series | LI |
| Amperage | 500A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 200kA @ 480Y/277VAC, 200kA @ 480VAC, 100kA @ 600Y/347VAC, 100kA @ 600VAC |
| Frame Type | LI |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards |
| Wire Gauge | (2) 4/0 AWG - 500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 4/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, NEMA AB 1, NFPA 70, UL 489 |
| Approval | CSA, NOM, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, High Interrupting Capacity, HACR Rated |
| Special Features | Current Limiting |
Product FAQs
7 answersWhat type of panelboards accept the Square D LI36500?
This breaker is designed exclusively for Square D I-Line panelboards and switchboards. It utilizes a plug-on phase connection and will not fit standard NQ or NF panels.
Is the LI36500 still actively manufactured by Square D?
No, the LI36500 is part of the legacy L-Frame series. It has been superseded by the modern PowerPacT L-Frame series.
What is the recommended PowerPacT replacement for the LI36500?
The modern replacement is the PowerPacT LRA36600U31X. This newer model features a Micrologic electronic trip unit that can be dialed down to a 500A setting to match the original LI36500 specifications.
How does the trip unit on the LI36500 operate?
It uses a thermal magnetic trip unit with a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit protection.
Is the LI36500 rated as a current limiting breaker?
Yes, it is a current limiting molded case circuit breaker. It is engineered to clear faults rapidly, reducing the peak let-through energy and minimizing thermal and mechanical stress on downstream equipment.
How does the LI36500 mount into the enclosure?
It features an I-Line style plug-in connection. The breaker jaws clamp directly onto the I-Line bus stack, allowing for rapid installation without the need for individual phase cabling at the line side.
What are the lug capacity requirements for the LI36500?
The load-side lugs accept two conductors per phase. The acceptable wire range is 4/0 AWG to 500 kcmil for both aluminum and copper conductors.
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