LC36600 - Square D - Molded Case Circuit Breaker I-Line Plug-In - 600 Amp - 3 Pole - 600 Volt
LC36600 - Square D - Molded Case Circuit Breaker I-Line Plug-In - 600 Amp - 3 Pole - 600 Volt
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Square D LC36600 – 600 Amp Molded Case Circuit Breaker, I-Line Plug-In
Part of the legacy L-Frame series, the Square D LC36600 is a 600-ampere molded case circuit breaker delivering robust thermal-magnetic protection for commercial and industrial distribution networks. It features fixed thermal and adjustable magnetic trip settings to accommodate specific load requirements.
Designed for seamless integration, it installs into Square D I-Line panelboards and switchboards. This model has been superseded by the LJA36600U31X for applications requiring adjustable electronic trip units.
Product Specifications
| Brand | Square D / Schneider Electric |
| Series | LC (Legacy L-Frame) |
| Part Number | LC36600 |
| Amperage | 600A |
| 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 |
| 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 | Extra High Interrupting Capacity, HACR Rated |
Why Choose the Square D LC36600?
- High-Amperage Distribution: 600A continuous rating for main and large feeder circuits.
- Extra High Interrupting Capacity: 100 kA at 240VAC.
- Adjustable Magnetic Trip: Tune protection to the specific load.
- Heavy-Gauge Wire Capacity: Accepts up to (2) 500 kcmil conductors.
Common Applications
- Main service and large feeder distribution
- Commercial and industrial switchgear
- Legacy L-Frame panelboard maintenance
- High-capacity manufacturing power systems
Frequently Asked Questions
What panels is the LC36600 compatible with?
Square D I-Line panelboards and switchboards that accept plug-in breakers.
What is the interrupting rating of the LC36600?
65 kA at 480VAC, 100 kA at 240VAC, 35 kA at 600VAC, and 10 kA at 250VDC.
What does the LC36600 get replaced by?
The LJA36600U31X for applications requiring an adjustable electronic trip unit.
Is the trip unit adjustable?
Fixed thermal with an adjustable magnetic setting.
Is this a new unit?
Yes — this listing (SKU LC36600-N) is new-in-box and ready for immediate installation.