Offering advanced system coordination, the PGL36100U33A is a 1000A PowerPacT P-Frame molded case circuit breaker. It operates at up to 600VAC and is designed for heavy-duty commercial and industrial power distribution. This unit-mount breaker includes factory-installed line and load lugs for secure installation in switchboards and motor control centers. It is fully compatible as a replacement for legacy MAL361000 breakers. The integrated Micrologic 5.
HACR Rated, 80% Rated, True RMS Sensing, Interchangeable Trip Unit
Product FAQs
9 answers
What frame size is the Square D PGL36100U33A?
This breaker belongs to the PowerPacT P-Frame family, designed for high-current distribution applications up to 1200A.
What wire size is accepted by the lugs on the PGL36100U33A?
The factory-installed AL1200P25K line and load lugs accept four 3/0 AWG to 500 kcmil aluminum or copper conductors per phase.
What type of trip unit is included with the PGL36100U33A?
It features a Micrologic 5.0 solid-state electronic trip unit with adjustable Long-Time, Short-Time, and Instantaneous (LSI) trip functions.
How is the PGL36100U33A circuit breaker mounted?
This is a unit-mount, feed-thru circuit breaker. It is designed to be bolted directly to a panel backpan or enclosure rather than plugging onto an I-Line bus.
What types of equipment is the PGL36100U33A suitable for?
It is commonly used as a main panel disconnect or feeder breaker in commercial switchboards, motor control centers, and standalone enclosures.
What does the "G" in the PGL36100U33A part number signify?
The "G" indicates the breaker's interrupting rating tier within the PowerPacT P-Frame series, providing 65kA at 240VAC, 35kA at 480VAC, and 18kA at 600VAC.
Does the PGL36100U33A support Zone-Selective Interlocking (ZSI)?
Yes, the included Micrologic 5.0 trip unit features short-time Zone-Selective Interlocking (ZSI) capability to improve system coordination and reduce fault clearing times.
Is the PGL36100U33A rated for 100% continuous current?
No, this is a standard 80% rated circuit breaker. For a 100% rated version, a different catalog number with a "C" suffix (such as PGL36100CU33A) would be required.
Can I add field-installable accessories to this breaker?
Yes, the PowerPacT P-Frame series supports a wide range of field-installable internal accessories, including shunt trips, undervoltage releases, and auxiliary switches.
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