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Square D PGL36080U44A Molded Case Circuit Breaker

  • 800A
  • 3 Pole
  • Unit Mount
Square D PGL36080U44A
Molded Case Circuit Breaker
Brand Square D
SKU PGL36080U44A
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  • 800A
  • 3 Pole
  • Unit Mount

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Square D PGL36080U44A 3 Pole Circuit Breaker

Square D PGL36080U44A - 800A 3 Pole Molded Case Circuit Breaker

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$17,400.00 In Stock

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Description

Delivering advanced ground-fault protection, the PGL36080U44A is a robust PowerPacT P-Frame molded case circuit breaker designed for heavy-duty industrial applications. This unit-mount breaker installs into Square D P-Frame enclosures, QED switchboards, and Model 6 motor control centers. It accepts 3/0 AWG to 500 kcmil aluminum or copper wiring. Equipped with a factory-installed Micrologic 6.0A electronic trip unit, it provides adjustable LSIG protection, true RMS sensing, and an ammeter.

Specifications

Key specifications
Brand Square D
Part Number PGL36080U44A
Series PGL
Amperage 800A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC
Phase 3
AIC Rating 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC
Electrical ratings
Amperage Range 320-800A
Fit and installation
Frame Type P
Terminal Type Lugs
For Use With Square D P-Frame Enclosures, QED Switchboards, Model 6 Motor Control Centers
Wire Gauge (3) 3/0 AWG - 500 kcmil (Al/Cu)
Max Wire 500 kcmil
Min Wire 3/0 AWG
Protection and operation
Trip Technology Electronic Trip
Trip Function Code LSIG
Trip Function Long-Time, Short-Time, Instantaneous, Ground Fault
Trip Adjustability Adjustable
Trip Unit Model MicroLogic 6.0A
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Padlock Attachment
Accessories Micrologic 6.0A Trip Unit (Factory Installed), Lugs
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489
Approval CE, CSA, IEC, NOM, UL
Temp Rating -25C to 70C
Construction Features HACR Rated, 80% Rated, True RMS Sensing, Visual Trip Indicator, Zone Selective Interlocking

Product FAQs

6 answers
What does the "U44A" suffix indicate on the PGL36080U44A catalog number?

The U44A suffix identifies the installation of a Micrologic 6.0 A electronic trip unit. This specific module provides adjustable Long-time, Short-time, Instantaneous, and Ground-fault (LSIG) protection, along with a built-in ammeter for local current monitoring.

Can I install this unit-mount breaker directly onto an I-Line panelboard bus?

No, the PGL36080U44A is configured with standard feed-thru lugs on both ends and cannot be mounted on an I-Line bus. For I-Line panelboard and switchboard applications requiring these exact specifications, you must source catalog number PGA36080U44A instead.

Is the continuous current rating of this circuit breaker rated for 80 percent or 100 percent?

This standard model is an 80-percent rated circuit breaker. According to National Electrical Code requirements, any continuous loads (operating for three hours or more) must not exceed 80 percent of its 800-amp rating. Models designed for 100-percent continuous duty typically include a "C" in the suffix.

Does this model include internal protection against ground faults?

Yes, the integrated Micrologic 6.0 A trip unit includes adjustable ground-fault equipment protection. Electricians can configure both the ground-fault pickup and delay settings to safely coordinate with other protective devices in the electrical system.

Can I adjust the maximum continuous current rating on this breaker?

The PGL36080U44A utilizes an 800-amp sensor within a 1200-amp physical PowerPacT P-Frame architecture. While the maximum rating is locked at 800 amps by the internal sensor, the Micrologic electronic trip unit allows downward adjustment of the long-time trip settings for lower ampacity requirements.

Can the factory-installed mechanical lugs be swapped for compression lugs?

Yes, the standard factory-installed mechanical lugs on this PowerPacT P-frame breaker are removable. They can be field-replaced with approved Square D compression lug kits or distribution terminal blocks depending on your specific wiring requirements.

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