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Square D PGF36120U31AYE Molded Case Circuit Breaker
- 1200A
- 3 Pole
- Unit Mount
Square D
PGF36120U31AYE
Molded Case Circuit Breaker
Brand
Square D
SKU
PGF36120U31AYE
Quantity
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Square D PGF36120U31AYE - 1200A 3 Pole Molded Case Circuit Breaker
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Description
Delivering 1200A of reliable overcurrent protection, the Square D PGF36120U31AYE serves commercial and industrial distribution systems. This 3-pole, unit-mount breaker features a busbar connection for integration into Square D switchboards and motor control centers. It includes a factory-installed handle extension. Equipped with a Micrologic 3.0 electronic trip unit, it offers adjustable long-time and instantaneous (LI) settings, true RMS sensing, and a 35kAIC rating at 480VAC.Specifications
| Brand | Square D |
|---|---|
| Series | PGF |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC |
| Amperage Range | 480-1200A |
|---|
| Terminal Type | Busbar Connection |
|---|---|
| For Use With | Square D Switchboards, Motor Control Centers |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Lugs |
|---|---|
| Accessories | Lugs Not Included, Nut Keeper Kit, Handle Extension (Factory Installed) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL, UKCA |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, True RMS Sensing, Push-to-Trip Button, 80% Rated |
Product FAQs
7 answersWhat equipment is the PGF36120U31AYE circuit breaker compatible with?
This unit-mount PowerPacT P-Frame breaker is designed for integration into Square D switchboards and motor control centers.
Does the PGF36120U31AYE include line and load lugs for cable connections?
No, the F in the catalog number indicates a busbar connection. It is designed to be bolted directly to the bus and does not include standard mechanical lugs. If wire terminations are required, compatible lug kits like the AL1200P25K must be sourced separately.
What protection functions does the included Micrologic 3.0 trip unit provide?
The Micrologic 3.0 electronic trip unit, indicated by the U31A suffix, provides adjustable Long-Time and Instantaneous (LI) protection. This allows precise tuning of the continuous current pickup and instantaneous short-circuit response to match the specific load profile.
Can the trip unit on the PGF36120U31AYE be upgraded in the field?
Yes, PowerPacT P-Frame breakers feature interchangeable Micrologic trip units. The factory-installed Micrologic 3.0 module can be swapped in the field if your system later requires advanced functionality, such as Short-Time (LSI) or Ground Fault (LSIG) protection.
How can I manually verify the mechanical operation of this breaker?
The PGF36120U31AYE features an integral push-to-trip button located on the front cover. Pressing this button manually opens the contacts, allowing you to safely test the mechanical tripping mechanism during routine maintenance.
What does the G in the PGF36120U31AYE catalog number represent?
The G designates the interrupting rating tier within the PowerPacT P-Frame family. It indicates a short-circuit current rating of 65kA at 240VAC, 35kA at 480VAC, and 18kA at 600VAC.
What does the YE suffix in the PGF36120U31AYE catalog number indicate?
The YE suffix indicates that the circuit breaker comes with a factory-installed handle extension. This provides additional leverage for manually operating the 1200A breaker mechanism.
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