Part of the PowerPacT H-Frame series, this 100-amp molded case circuit breaker delivers reliable electronic trip protection for commercial and industrial applications. It features a Micrologic 3.2 trip unit with adjustable long-time and instantaneous (LI) settings for precise coordination. Designed for unit mounting, it installs into Schneider Electric NF panelboards, switchboards, and enclosures. The 25kAIC rating at 240V ensures robust fault clearing without relying on thermal elements.
What does the U31X suffix mean in the HDP36100U31X part number?
The U31X suffix indicates the breaker is equipped with a Micrologic 3 solid-state electronic trip unit. This provides standard LI (Long-Time and Instantaneous) protection functions.
What does the D in the HDP prefix designate?
The D indicates the specific interrupting capacity tier within the PowerPacT H-Frame family, corresponding to the D-rating of 18kA at 480VAC.
What is the tightening torque for the standard lugs on this breaker?
This breaker uses AL150HD mechanical lugs. The required torque is 50 in-lbs for 14-10 AWG wire and 120 in-lbs for 8-3/0 AWG wire, using a standard 3/16-inch Allen wrench.
Is the HDP36100U31X suitable for reverse-fed applications?
Yes, PowerPacT H-Frame circuit breakers equipped with factory-sealed Micrologic electronic trip units are suitable for reverse-fed connections.
What equipment is this unit-mount breaker designed to fit?
This bolt-on breaker is compatible with Schneider Electric NF panelboards, switchboards, and motor control centers designed to accept PowerPacT H-Frame unit-mount breakers.
What protection settings are adjustable on this breaker?
Equipped with the Micrologic 3 trip unit, this breaker features adjustable long-time pickup and delay settings, as well as an adjustable instantaneous pickup for precise coordination.
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