Designed for complex systems, the Square D PGA36080CU33A is an 800A electronic trip molded case circuit breaker. This PowerPacT P-Frame model offers LSI protection for superior coordination. Featuring an I-Line mounting style, it integrates seamlessly into Square D I-Line panelboards and switchboards for reliable industrial power distribution. This 100% rated breaker includes a Micrologic 5.0 trip unit with adjustable settings. It provides 35 kAIC at 480V and current-limiting capabilities.
Square D I-Line Panelboards, Square D I-Line Switchboards
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
LSI
Trip Function
Long-Time, Short-Time, Instantaneous
Trip Adjustability
Adjustable
Trip Unit Model
MicroLogic 5.0
Standards and features
Available Options
Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Communication Module
Accessories
Micrologic 5.0 Trip Unit
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, True RMS Sensing, 100% Rated
Product FAQs
6 answers
How much mounting space does the PGA36080CU33A require in an I-Line panelboard?
This PowerPacT P-Frame circuit breaker utilizes 9 inches of available I-Line bussing space in compatible Square D I-Line panelboards and switchboards.
Is the PGA36080CU33A rated for 100 percent continuous current?
Yes, the C in the catalog number indicates this is a 100 percent rated circuit breaker, allowing it to carry its full 800A rating continuously without derating.
What specific trip unit is included with the U33A suffix?
The U33A suffix designates a Micrologic 5.0 electronic trip unit. This provides LSI protection, allowing you to adjust the Long-Time pickup and delay, Short-Time pickup and delay, and Instantaneous pickup settings for precise system coordination.
What is the wire capacity for the lugs on this breaker?
The mechanical lugs are designed to accept three 3/0 AWG to 500 kcmil aluminum or copper conductors per phase.
Can the PGA36080CU33A replace older Square D circuit breakers?
Yes, the PowerPacT P-Frame series serves as a replacement for legacy Square D M-Frame breakers, such as the MA36800, in I-Line panelboards and switchboards.
Can the trip unit on the PGA36080CU33A be changed in the field?
Yes, PowerPacT P-Frame circuit breakers feature interchangeable trip units, allowing you to upgrade or change the Micrologic trip unit in the field without replacing the entire breaker.
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