Square D PLA34080U43B Molded Case Circuit Breaker
- 800A
- 3 Pole
- I-Line
Quantity
Square D PLA34080U43B - 800A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
An exact replacement for the PLA34080U43A, this 800A Square D electronic trip MCCB brings advanced metering to industrial facilities. It is part of the robust PowerPacT P-frame lineup. The PLA34080U43B mounts into Square D I-Line panelboards and switchboards, utilizing an I-Line plug-on connection for efficient setup. Equipped with a Micrologic 5.0A trip unit, it includes an ammeter and adjustable LSI (Long-Time, Short-Time, Instantaneous) functions. It provides a 125kAIC rating at 240V.Specifications
| Brand | Square D |
|---|---|
| Part Number | PLA34080U43B |
| Series | PLA |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC |
| Phase | 3 |
| AIC Rating | 125kA @ 240VAC, 100kA @ 480VAC |
| Amperage Range | 320-800A |
|---|
| Frame Type | PLA |
|---|---|
| Terminal Type | Lugs |
| For Use With | 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 |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Trip Unit Model | MicroLogic 5.0A |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Padlock Attachment |
|---|---|
| Accessories | Micrologic 5.0A 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, Current Limiting, True RMS Sensing, 80% Rated, Ammeter |
Product FAQs
4 answersWill the PLA34080U43B fit in standard Square D NQ or NF panelboards?
No, this 800A PowerPacT P-Frame breaker features an I-Line mounting style. It is exclusively designed for use in Square D I-Line panelboards and switchboards, utilizing a plug-on line connection.
What protection settings are available on the PLA34080U43B trip unit?
This breaker is equipped with a Micrologic 5.0A (U43) electronic trip unit. It provides fully adjustable LSI (Long-Time, Short-Time, and Instantaneous) protection for precise system coordination, along with an integrated ammeter for local current monitoring.
What size conductors are required for the load-side lugs on this 800A breaker?
The factory lugs accept three 3/0 AWG to 500 kcmil aluminum or copper conductors per phase. When installing, ensure your I-Line enclosure provides adequate wire bending space to accommodate parallel 500 kcmil cables.
What does the L in the PLA34080U43B part number signify?
In the Square D PowerPacT P-Frame family, the L designates the interrupting rating. This specific model provides a high interrupting capacity of 100 kAIC at 480VAC and 125 kAIC at 240VAC, making it suitable for industrial facilities with high available fault current.
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.