LAL3640035M - 400 Amp Motor Circuit Protector

LAL3640035M - 400 Amp Motor Circuit Protector

The LAL3640035M is a 400-amp, 3-pole LA motor circuit protector for motor circuits that require magnetic short-circuit protection. If you're replacing an existing unit, compare more than the catalog number. Make sure the amperage, poles, voltage, interrupting rating, magnetic characteristics, mounting, connections, and physical dimensions all match what the equipment requires. When those specifications line up, the LAL3640035M is well suited to form, fit, and functional replacement work in compatible existing and legacy motor-control equipment.

Key Features and Benefits

• 400A, 3-pole configuration for applications requiring these specific electrical characteristics
• Magnetic-only protection intended for short-circuit protection in motor circuit applications
• Adjustable magnetic pickup lets you coordinate the instantaneous opening point with motor starting current.
• 1,750A magnetic hold current
• 3,500A magnetic tripping current
• Unit-mount design for compatible equipment
• Lugs on both the line and load sides
• AL400LA terminal identifier
• Published dimensions make it easier to confirm available mounting space before replacement.
  

Technical Specifications

• Catalog Number: LAL3640035M
  
• Product Type: Motor Circuit Protector
  
• Type / Series: LA
  
• Rated Current: 400A
  
• Poles: 3
  
• Protection Description: Magnetic-only short-circuit protection
  
• AC Rating: 600VAC
  
• Interrupting Rating at 600VAC: 22kA
  
• DC Rating: 250VDC
  
• Interrupting Rating at 250VDC: 10kA
  
• Magnetic Hold Current: 1,750A
  
• Magnetic Tripping Current: 3,500A
  
• Magnetic Pickup: Adjustable
  
• Mounting: Unit mount
  
• Connections: Line and load lugs
  
• Terminal Identifier: AL400LA
  
• Tightening Torque: 115.06 lbf-in (13 N·m), for the applicable specified conductor range
  
• Specified Conductor Ranges: 1 AWG–600 kcmil and 1 AWG–250 kcmil, as applicable
  
• Height: 11 in. (279.4 mm)
  
• Width: 6 in. (152.4 mm)
  
• Depth: 5.84 in. (148.34 mm)
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

The supplied manufacturer specifications list the LAL3640035M as IEC, UL Listed, and CSA certified.

Where It Works Best

This is the kind of component you look at when an existing motor-control application calls for a 400A, 3-pole LA magnetic motor circuit protector and matching the original equipment requirements is the priority.

Work through the electrical details first. The application should correspond with the 400A rating, three-pole configuration, voltage, and interrupting capacity. The magnetic characteristics matter too: this model is specified with a 1,750A magnetic hold current and 3,500A magnetic tripping current, along with adjustable magnetic pickup.