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Square D LAP36400 Molded Case Circuit Breaker

  • 400A
  • 3 Pole
  • Unit Mount
Square D LAP36400
Molded Case Circuit Breaker
Brand Square D
SKU LAP36400
Select Item Condition
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  • 400A
  • 3 Pole
  • Unit Mount

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Square D LAP36400 3 Pole Circuit Breaker

Square D LAP36400 - 400A 3 Pole Molded Case Circuit Breaker

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$3,761.88 In Stock

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Description

Engineered for commercial and industrial power distribution, the Square D LAP36400 provides robust overload and short-circuit protection. This 400A, 3-pole unit mount breaker integrates seamlessly into Square D switchboards, motor control centers, and control panels. Featuring a fixed thermal and adjustable magnetic trip unit, it allows for precise coordination in demanding environments. Rated for 30kAIC at 480VAC, it serves as a dependable solution for legacy L-Frame installations.

Specifications

Key specifications
Brand Square D
Part Number LAP36400
Series LAP
Amperage 400A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 3
AIC Rating 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC, 10kA @ 250VDC
Fit and installation
Frame Type LAP
Terminal Type Lugs
For Use With Square D Switchboards, Motor Control Centers, Control Panels
Wire Gauge 1 AWG - 600 kcmil (Al/Cu) or (2) 1 AWG - 250 kcmil (Al/Cu)
Max Wire 600 kcmil
Min Wire 1 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Adjustable Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch
Accessories None (Base Model)
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489
Approval CE, CSA, IEC, NOM, UL
Temp Rating 40C
Construction Features HACR Rated, Visual Trip Indicator

Product FAQs

5 answers
What is the standard lug kit for the LAP36400 circuit breaker?

The standard mechanical lug kit for this breaker is the Square D AL400LA. It accepts one 1 AWG to 600 kcmil or two 1 AWG to 250 kcmil aluminum or copper conductors.

What is the magnetic trip range for the LAP36400?

The adjustable magnetic trip on this 400A breaker features a hold setting of 2000A and a trip setting of 4000A.

Can the LAP36400 be reverse fed?

Yes, this thermal magnetic molded case circuit breaker is suitable for reverse feed applications in switchboards and control panels.

What type of equipment accepts the LAP36400?

This unit mount, bolt-on circuit breaker is designed for installation in Square D switchboards, motor control centers, and industrial control panels.

Is the LAP36400 a current or legacy frame?

The LAP36400 is part of the legacy Square D L Frame series. It serves as a direct replacement for existing LA and LAP frame installations without requiring panel modifications.

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Reviews

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Rated 4.0 out of 5 stars
Based on 1 review
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Total 4 star reviews: 1
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Total 1 star reviews: 0
Rating
Ratings
1 review
  • MK
    Mark K.
    Flag of United States
    Reviewing
    Square D LAP36400MB - 400A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 4 out of 5 stars
    2/21/17
    LAP36400MB

    Great price, quick delivery, minor cosmetic and surface blemishes but functionally perfect.