Square D LGA34600WU31X Molded Case Circuit Breaker
- 600A
- 3 Pole
- I-Line
Square D
LGA34600WU31X
Molded Case Circuit Breaker
Brand
Square D
SKU
LGA34600WU31X
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Square D LGA34600WU31X - 600A 3 Pole Molded Case Circuit Breaker
New
Quantity
Similar Items
600A 3 Pole Molded Case Circuit Breaker
600A 3 Pole Molded Case Circuit Breaker
400A 3 Pole Molded Case Circuit Breaker
Description
Designed for high-demand commercial and industrial facilities, the Square D LGA34600WU31X operates as a 600A molded case circuit breaker within the PowerPacT L-Frame series. Featuring an I-Line mounting style, this breaker installs into Square D I-Line panelboards and switchboards. Rated at 35 kAIC at 480VAC, it utilizes a MicroLogic 3.3 trip unit to provide configurable long-time and instantaneous (LI) protection. This mission-critical breaker also features current-limiting capabilities.Specifications
| Brand | Square D |
|---|---|
| Series | LGA |
| Amperage | 600A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480Y/277VAC, 480VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480Y/277VAC, 35kA @ 480VAC |
| Frame Type | L |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Square D I-Line Switchboards |
| Wire Gauge | (2) 2/0 AWG-500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 2/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Trip Unit Model | MicroLogic 3.3 |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Communication Module |
|---|---|
| Accessories | MicroLogic 3.3 Trip Unit |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, IEC, NEMA, NOM, UL, UKCA |
| Temp Rating | -25C to 70C |
| Construction Features | Current Limiting, HACR Rated, 80% Rated, Mercury Free, PVC Free, Mission Critical |
Product FAQs
7 answersWhich panelboards are compatible with the LGA34600WU31X circuit breaker?
This breaker is designed for use in Square D I-Line panelboards and switchboards. It features an I-Line style plug-in connection for the line side.
How does the LGA34600WU31X mount into the panel?
It utilizes the Square D I-Line plug-in mounting system. The line side of the breaker snaps directly onto the I-Line bus assembly, while the load side uses standard mechanical lugs for wire termination.
What does the U31X suffix indicate on this Square D breaker?
The U31X suffix designates that the breaker is equipped with a MicroLogic 3.3 electronic trip unit. This provides adjustable Long-Time and Instantaneous (LI) trip functions, allowing for precise coordination in your electrical system.
What does the W suffix in the LGA34600WU31X catalog number mean?
The W suffix indicates that this is a Mission Critical circuit breaker with a factory-sealed trip unit. The trip unit is not field-replaceable or interchangeable.
What is the lug configuration for the LGA34600WU31X?
The load-side terminals are equipped with mechanical lugs that accept two 2/0 AWG to 500 kcmil aluminum or copper conductors per phase. Ensure proper torque specifications are followed during installation.
Does the MicroLogic 3.3 trip unit in the LGA34600WU31X require an external power supply?
No, the MicroLogic 3.3 electronic trip unit is self-powered by the current flowing through the circuit breaker. It does not require an external power source for its primary protection functions.
Can I replace an older Square D L-frame breaker with the LGA34600WU31X?
Yes, the LGA34600WU31X is part of the PowerPacT L-Frame family and can replace older I-Line L-frame breakers with matching specifications. Always verify that the 600A rating, interrupting capacity, and trip functions meet your system requirements.
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.