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Square D LRL36600U31X Molded Case Circuit Breaker

  • 600A
  • 3 Pole
  • Unit Mount
Square D LRL36600U31X
Molded Case Circuit Breaker
Brand Square D
SKU LRL36600U31X
Select Item Condition
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  • 600A
  • 3 Pole
  • Unit Mount

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Square D LRL36600U31X - 600A 3 Pole Molded Case Circuit Breaker

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$10,093.04 In Stock

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Description

Part of the PowerPacT L-Frame series, this 600A molded case circuit breaker delivers robust protection for commercial and industrial applications. It features a unit mount configuration with lug terminals, making it suitable for integration into industrial control panels, switchboards, and enclosures. Equipped with a MicroLogic 3.3 electronic trip unit, it provides adjustable long-time and instantaneous (LI) protection functions. The device boasts a 100kA interrupting rating at 600VAC.

Specifications

Key specifications
Brand Square D
Part Number LRL36600U31X
Series LRL
Amperage 600A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC
Phase 3
AIC Rating 200kA @ 240VAC, 200kA @ 480VAC, 100kA @ 600VAC
Electrical ratings
Amperage Range 250-600A
Fit and installation
Frame Type L
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
Protection and operation
Trip Technology Electronic Trip
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Adjustable
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle
Accessories MicroLogic 3.3 Trip Unit
Standards CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB1, NMX J-266, UL 489
Approval CCC, CE, CSA, IEC, NEMA, NOM, UKCA, UL
Temp Rating -25C to 70C
Construction Features 80% Rated, Current Limiting, HACR Rated, True RMS Sensing, RoHS Compliant, Double-Break Rotary Contact Structure

Product FAQs

5 answers
What trip unit is included with the LRL36600U31X?

This breaker comes factory-equipped with a Micrologic 3.3 electronic trip unit, which provides adjustable Long-Time and Instantaneous (LI) protection.

What does the R in the LRL36600U31X catalog number signify?

The R designates the interrupting rating tier within the PowerPacT L-frame series. It indicates a high interrupting capacity of 200kA at 480VAC and 100kA at 600VAC.

Is the LRL36600U31X rated for 80% or 100% continuous current?

This standard PowerPacT L-frame breaker is rated for 80% continuous current.

How is the LRL36600U31X mounted in an enclosure?

This is a unit-mount breaker, meaning it is designed to be bolted directly to a backpan or mounting surface in industrial control panels, switchboards, or enclosures. It is not compatible with I-Line panelboards.

Does the Micrologic 3.3 trip unit offer true RMS sensing?

Yes, the Micrologic 3.3 electronic trip unit features true RMS sensing for highly accurate protection against overloads and short circuits.

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