Part of the PowerPacT L-frame family, this 600-amp molded case circuit breaker delivers advanced protection for commercial and industrial facilities. The unit features a factory-installed MicroLogic 3.3 electronic trip unit, providing adjustable long-time and instantaneous (LI) settings for precise coordination. Designed for unit-mount configurations, it installs seamlessly into Square D QED switchboards, Model 6 motor control centers, and compatible enclosures. Rated at 18kAIC at 480VAC.
What equipment is the LDP36600U31X compatible with?
This unit mount breaker is designed for installation in Square D QED switchboards, Model 6 motor control centers, and compatible Square D enclosures.
Is the LDP36600U31X an I-Line breaker?
No, this is a unit mount (bolt-on) circuit breaker. It does not feature the plug-on jaw connections required for direct installation on an I-Line buss.
What wire size and material do the lugs accept?
The factory line and load lugs accept two 2/0 AWG to 500 kcmil aluminum or copper conductors per phase.
What type of trip unit is installed in this breaker?
It features a Micrologic 3.3 electronic trip unit. This provides adjustable long-time and instantaneous (LI) protection settings.
Can the trip unit on the LDP36600U31X be swapped out or upgraded?
No, the Micrologic 3.3 electronic trip unit on this specific model is non-interchangeable.
What does the LI designation mean for this breaker?
LI indicates the breaker provides Long-Time and Instantaneous trip functions. Long-time protects against sustained overloads, while instantaneous protects against short circuits.
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