A reliable solution for commercial facilities, the Square D HRP36060U31X is a 60A, 3-pole electronic trip MCCB. It belongs to the PowerPacT H-Frame series and utilizes a Micrologic 3.2 trip unit to provide adjustable LI protection functions. This unit-mount breaker is engineered for use within Square D switchboards and industrial control panels. It serves as a functional substitute for the HRL36060U31X model. This RoHS-compliant breaker delivers a robust 200kAIC rating at 480VAC.
HACR Rated, Current Limiting, Extra High Interrupting Capacity, True RMS Sensing, Mercury Free, PVC Free, RoHS Compliant
Product FAQs
5 answers
What does the U31X suffix mean on the HRP36060U31X?
The U31X suffix indicates the breaker is equipped with a Micrologic 3.2 electronic trip unit. This provides adjustable Long-Time and Instantaneous (LI) protection settings for precise system coordination.
What is the difference between a unit mount and an I-Line mount for this breaker?
The HRP36060U31X is a unit mount breaker, meaning it bolts directly to a backpan or mounting plate using mounting screws and cable connections. I-Line breakers, by contrast, plug directly into a proprietary Square D busway.
What does the R in the HRP prefix signify?
The R designates the interrupting rating class of the PowerPacT H-frame. R-class breakers provide the highest fault current withstand in this series, rated for up to 200kA at 480VAC and 100kA at 600VAC.
Which enclosures and panels are compatible with this breaker?
This unit-mount H-frame breaker is designed for installation in Square D switchboards, motor control centers, and custom industrial control panels that accommodate bolt-on PowerPacT components.
What wire sizes are supported by the factory lugs?
The standard mechanical lugs on this breaker accept both aluminum and copper conductors ranging from 14 AWG to 3/0 AWG.
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