Free Shipping Over $99
Square D LDL36600U31X Molded Case Circuit Breaker
- 600A
- 3 Pole
- Unit Mount
Square D
LDL36600U31X
Molded Case Circuit Breaker
Brand
Square D
SKU
LDL36600U31X
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Square D LDL36600U31X - 600A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Square D LDL36600U31X - 600A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Series | LDL |
| Amperage | 600A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC, 20kA @ 250VDC |
| Amperage Range | 180-600A |
|---|
| Frame Type | LDL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Industrial Control Panels, Switchboards, Enclosures |
| 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 |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB1, UL 489 |
| Approval | CCC, CE, CSA, IEC, NEMA, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, True RMS Sensing, 80% Rated |
Quantity
Square D LDL36600U31X - 600A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Series | LDL |
| Amperage | 600A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC, 20kA @ 250VDC |
| Amperage Range | 180-600A |
|---|
| Frame Type | LDL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Industrial Control Panels, Switchboards, Enclosures |
| 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 |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB1, UL 489 |
| Approval | CCC, CE, CSA, IEC, NEMA, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, True RMS Sensing, 80% Rated |
Similar Items
400A 3 Pole Molded Case Circuit Breaker
400A 3 Pole Molded Case Circuit Breaker
400A 3 Pole Molded Case Circuit Breaker
Description
Built for heavy-duty power distribution, the Square D LDL36600U31X is a 600A, 3-pole electronic trip circuit breaker. It belongs to the highly configurable PowerPacT L-Frame series. Featuring a unit-mount configuration, this MCCB fastens securely into industrial control panels and enclosures. The included lugs accommodate dual 2/0 AWG to 500 kcmil conductors. A built-in MicroLogic 3.3 trip unit delivers adjustable LI protection, true RMS sensing, and an 18 kAIC rating at 480VAC.Specifications
| Brand | Square D |
|---|---|
| Series | LDL |
| Amperage | 600A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC, 20kA @ 250VDC |
| Amperage Range | 180-600A |
|---|
| Frame Type | LDL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Industrial Control Panels, Switchboards, Enclosures |
| 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 |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB1, UL 489 |
| Approval | CCC, CE, CSA, IEC, NEMA, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, True RMS Sensing, 80% Rated |
Product FAQs
6 answersWhat does the U31X suffix mean on the LDL36600U31X?
The U31X designates that the breaker is equipped with a MicroLogic 3.3 electronic trip unit. This specific trip unit provides adjustable Long-Time and Instantaneous (LI) protection functions.
Is the LDL36600U31X rated for 80% or 100% continuous current?
This standard PowerPacT L-frame circuit breaker is rated for 80% continuous current. Models rated for 100% continuous operation require a C in the catalog number, along with specially designed enclosures and 90 degree Celsius rated wire.
Can the LDL36600U31X circuit breaker be reverse fed?
Yes. Standard unit mount PowerPacT L-frame circuit breakers with factory sealed electronic trip units are suitable for reverse feeding.
What is the difference between the LDL36600U31X and LGL36600U31X?
The difference lies in the interrupting capacity. The LDL frame has a D-rated interrupting capacity of 18 kA at 480VAC, while the LGL frame has a G-rated capacity of 35 kA at 480VAC. Both use the same frame size and MicroLogic 3.3 trip unit.
Are the trip units on PowerPacT L-frame breakers interchangeable?
Yes. The MicroLogic electronic trip units on PowerPacT L-frame circuit breakers are field interchangeable. This allows panel builders to upgrade protection functions, such as adding LSI or energy monitoring, without replacing the entire breaker frame.
Can I install internal accessories in the LDL36600U31X?
Yes, this breaker supports common field-installable accessories across the PowerPacT range. You can add internal components like shunt trips, auxiliary switches, and undervoltage releases behind the front cover.
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.