Built for heavy-duty commercial applications, the Square D MGP36600 is a 3-pole, 600A molded case circuit breaker. It utilizes microprocessor-based electronic trip technology to provide highly accurate long-time and instantaneous (LI) protection. This unit-mount breaker installs into Square D I-Line panelboards, QED switchboards, and Model 6 motor control centers. It is replaced by the PGL36060U31A. Rated for 35 kAIC at 480VAC, this 80% rated breaker features a Visi-Trip indicator.
What panels and switchboards are compatible with the MGP36600?
This unit-mount breaker is designed for use in Square D QED switchboards and Model 6 Motor Control Centers. It can also be installed as a main breaker in I-Line HCP, HCN, and HCM panelboards.
Can the MGP36600 be used as a plug-on branch breaker in an I-Line panel?
No. The MGP36600 is a unit-mount, feed-thru breaker. While it can serve as a main breaker in select I-Line panels, it does not have the plug-on jaws required for I-Line branch mounting.
What is the modern replacement for the MGP36600?
For modern system upgrades, the MGP36600 crosses over to the Square D PGL36060U31A P-Frame circuit breaker.
What type of trip unit is installed in the MGP36600?
This breaker is equipped with a basic ET 1.0 electronic trip unit. It provides fixed long-time and adjustable instantaneous protection, commonly referred to as LI functions.
What is the terminal configuration for the MGP36600?
Out of the box, the MGP36600 features terminal nuts on the line side and mechanical lugs on the load side. The load lugs accept three 3/0 AWG to 500 kcmil aluminum or copper wires per phase.
Is the MGP36600 rated for 80% or 100% continuous current?
The MGP36600 is a standard 80% rated circuit breaker.
Does the MGP36600 include a push-to-trip feature?
Yes, this breaker includes an integral push-to-trip button on the cover. This allows you to manually trip the breaker to verify the mechanical operation of the trip mechanism during routine maintenance.
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