Free Shipping Over $99
Square D PGA36120U31A Molded Case Circuit Breaker
- 1200A
- 3 Pole
- I-Line
Square D
PGA36120U31A
Molded Case Circuit Breaker
Brand
Square D
SKU
PGA36120U31A
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Square D PGA36120U31A - 1200A 3 Pole Molded Case Circuit Breaker
New
Quantity
Similar Items
1200A 3 Pole Molded Case Circuit Breaker
1200A 3 Pole Molded Case Circuit Breaker
1200A 3 Pole Molded Case Circuit Breaker
Description
Engineered for maximum flexibility, the Square D PGA36120U31A is a 1200A, 3-pole molded case circuit breaker from the PowerPacT P-Frame series. It is designed for commercial and industrial applications requiring precise coordination. This breaker installs into Square D I-Line panelboards and switchboards, and includes load-side lugs for secure connections. Rated at 65kAIC at 240VAC, it features an advanced electronic trip unit with adjustable thermal and magnetic settings for optimal safety.Specifications
| Brand | Square D |
|---|---|
| Part Number | PGA36120U31A |
| Series | PGA |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC |
| Amperage Range | 480-1200A |
|---|
| Frame Type | PGA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and Switchboards |
| Wire Gauge | (4) 3/0 AWG - 500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Trip Unit Model | MicroLogic 3.0 |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator |
|---|---|
| Accessories | Load Side Lugs Included |
| 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 |
Product FAQs
6 answersHow does the PGA36120U31A connect to the electrical system?
The "A" in the PGA prefix indicates an I-Line mounting style. The line side plugs directly into the busbar of Square D I-Line panelboards and switchboards, while the load side utilizes traditional mechanical lugs.
What does the "U31A" suffix mean in the PGA36120U31A catalog number?
The "U31A" designates a standard Micrologic 3.0 electronic trip unit. This provides adjustable Long-Time and Instantaneous (LI) protection settings for precise system coordination.
What does the "G" in the PGA prefix represent?
The "G" indicates the breaker's specific interrupting rating tier within the PowerPacT P-frame family. It signifies a maximum interrupting capacity of 65kA at 240VAC, 35kA at 480VAC, and 18kA at 600VAC.
How many conductors can the load-side lugs on the PGA36120U31A accept?
The factory-installed mechanical lugs are designed to accept up to four 3/0 AWG to 500 kcmil aluminum or copper conductors per phase.
What is the replacement lug kit part number for the PGA36120U31A?
The standard 3-pole mechanical lug kit for 1200A PowerPacT P-frame breakers is catalog number AL1200P25K.
Can the trip unit on the PGA36120U31A be upgraded in the field?
Yes, PowerPacT P-frame breakers feature interchangeable trip units. The included Micrologic 3.0 module can be swapped for advanced Micrologic units if your application later requires ground-fault protection, metering, or communication capabilities.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.