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Square D LAL3640030M 3 Pole Circuit Breaker
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Square D LAL3640030M Motor Circuit Protector

  • 400A
  • 3 Pole
  • Unit Mount
Square D LAL3640030M
Motor Circuit Protector
Brand Square D
SKU LAL3640030M
Select Item Condition
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  • 400A
  • 3 Pole
  • Unit Mount

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Square D LAL3640030M 3 Pole Circuit Breaker

Square D LAL3640030M - 400A 3 Pole Motor Circuit Protector

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$4,514.26 In Stock

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Description Specifications SuperClub Warranties Shipping Reviews 5.0 (7)

Description

Operating as a dedicated motor circuit protector, the Square D LAL3640030M is a 400A, 3-pole device for industrial environments. As a Mag-Gard instantaneous-only breaker, it features an adjustable magnetic trip range of 1000A to 2000A to protect motor branch circuits. This unit-mount device coordinates seamlessly with motor starters and overload relays. Rated 30kAIC at 480V, it is a legacy L-Frame model now replaced by the PowerPacT L-Frame series.

Specifications

Key specifications
Brand Square D
Part Number LAL3640030M
Series LAL
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 LAL
Terminal Type Lugs
For Use With Motor Starters, Motor Control Centers
Wire Gauge (1) 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 Magnetic Only
Trip Function Code I
Trip Function Instantaneous Only
Trip Adjustability Adjustable Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch
Accessories Lugs (AL400LA)
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB-1, UL 489
Approval CSA, IEC, UL
Temp Rating 40C

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 7 reviews
Total 5 star reviews: 7 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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7 reviews
  • MB
    mike b.
    Verified Buyer
    Reviewing
    Square D LAL36350 - 350A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/15/26
    LAL36350MB

    OLINE ORDERING WAS EASY AND I RECEIVED THE BREAKER QUICKLY

    Was this helpful?
  • GC
    Glenn C.
    Verified Buyer
    Reviewing
    Square D LAL36400 - 400A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/27/26
    Breaker

    I like the great price. Great service

    Was this helpful?
  • MI
    Marietta I.
    Verified Buyer
    Reviewing
    Square D LAL36400 - 400A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    1/27/26
    Great service

    Received the breakers in time. My account mgr Mike is awesome.

    Was this helpful?
  • TB
    Terry B.
    Verified Buyer
    Reviewing
    Square D LAL36400 - 400A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    1/5/26
    RECERTIFIED BREAKER

    Breaker was received in good condition and seems to work correctly

    Was this helpful?
  • LB
    LISA B.
    Verified Buyer
    Reviewing
    Square D LAL36400 - 400A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/28/25
    good [product

    Expeditious delivery, great product and amazing customer service.

    Was this helpful?