LC36500 - Square D - Molded Case Circuit Breaker I-Line Plug-In - 500 Amp - 3 Pole - 600 Volt
LC36500 - Square D - Molded Case Circuit Breaker I-Line Plug-In - 500 Amp - 3 Pole - 600 Volt
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Square D LC36500 – 500 Amp Molded Case Circuit Breaker, I-Line Plug-In
Providing reliable power distribution, the Square D LC36500 3-pole, 500A MCCB belongs to Square D's legacy L-Frame series. It delivers robust thermal-magnetic protection with long-time and instantaneous (LI) trip functions and mounts into Square D I-Line panelboards and switchboards.
For modern upgrades, the PowerPacT LJA36600U31X serves as a substitute when adjusted to 500A. Rated at 65 kAIC at 480V, this extra-high interrupting capacity breaker is HACR rated and includes load-side lugs.
Product Specifications
| Brand | Square D / Schneider Electric |
| Series | LC (Legacy L-Frame) |
| Part Number | LC36500 |
| Amperage | 500A |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Poles | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 35kA @ 600VAC, 10kA @ 250VDC |
| Mounting Style | I-Line Plug-In |
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and Switchboards |
| Trip Technology | Thermal Magnetic |
| Trip Function | LI – Long-Time, Instantaneous (Fixed Thermal, Adjustable Magnetic) |
| Wire Range | (2) 4/0 AWG – 500 kcmil (Al/Cu) |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approvals | CSA, IEC, UL |
| Temp Rating | 40°C |
| Construction Features | HACR Rated, Extra High Interrupting Capacity |
Why Choose the Square D LC36500?
- Extra High Interrupting Capacity: 100 kA at 240VAC for demanding faults.
- LJA36600U31X Cross-Reference: Modern replacement path, field-adjustable to 500A.
- HACR Rated: Suited for HVAC and heavy commercial circuits.
- Load-Side Lugs Included: Simplifies field wiring.
Common Applications
- Large feeder and distribution circuits
- Commercial and industrial switchgear
- Legacy L-Frame panelboard maintenance
- High-capacity manufacturing power systems
Frequently Asked Questions
What panels is the LC36500 compatible with?
Square D I-Line panelboards and switchboards that accept plug-in breakers.
What is the interrupting rating of the LC36500?
65 kA at 480VAC, 100 kA at 240VAC, 35 kA at 600VAC, and 10 kA at 250VDC.
What is the modern replacement for the LC36500?
The PowerPacT LJA36600U31X, adjusted to 500A.
Does it include lugs?
Yes — load-side lugs are included.
Is this a new unit?
Yes — this listing (SKU LC36500-N) is new-in-box and ready for immediate installation.