LA3400PRF - 400Amp Trip Unit [R] *FRAME ONLY*

LA3400PRF - 400Amp Trip Unit [R] *FRAME ONLY*

When you're maintaining an existing electrical distribution system, selecting the correct molded case circuit breaker is all about matching the original specifications. The Eaton LA3400PRF Classic molded case circuit breaker is a 400 Amp, 3-pole breaker designed for applications where the proper frame type, voltage rating, trip characteristics, and connection requirements are important. Built for compatibility with established electrical equipment, this breaker provides a practical solution for replacement and maintenance projects.

Key Features and Benefits

• Eaton Classic LA frame molded case circuit breaker
• 400 Amp current rating
• Three-pole configuration
• Thermal-magnetic trip protection
• T207 trip rating
• Adjustable magnetic trip range of 2000-4000 Amps
• Rated for 600VAC and 250VDC applications
• Copper line and load pressure terminals
• Designed for replacement and maintenance applications
• Helps maintain existing electrical distribution equipment
• Built to last in commercial and industrial environments
  

Technical Specifications

• Catalog Number: LA3400PRF
  
• Manufacturer: Eaton
  
• Product Type: Complete Molded Case Circuit Breaker
  
• Circuit Breaker Type: LA
  
• Frame Type: LA
  
• Amperage Rating: 400 Amps
  
• Number of Poles: 3
  
• Voltage Rating: 600VAC, 250VDC
  
• Trip Type: T207
  
• Trip Rating: 2000-4000 Amps
  
• Magnetic Trip Range: 2000-4000A
  
• Terminal Connections: Line and Load Pressure Terminals
  
• Terminal Material: Copper
  
• Interrupt Rating:
  • 200kAIC at 600VAC
  • 100kAIC at 250VDC
• Dimensions: 18.50 in. D × 8.30 in. H × 10.50 in. W
  
• Approximate Weight: 24.2 lbs.
  

Material Compliance and Certifications

The Eaton LA3400PRF Classic molded case circuit breaker is UL 489 certified and intended for use in compatible electrical distribution equipment. Installation should follow the National Electrical Code (NEC), applicable local electrical requirements, and accepted electrical safety practices. Installation, inspection, and maintenance should be completed by qualified electrical personnel.

Where It Works Best

• Commercial electrical distribution systems
• Industrial facilities
• Manufacturing plants
• Electrical switchboards and distribution equipment
• Existing Eaton LA frame installations
• Maintenance and replacement projects
• Applications requiring a 400 Amp, 3-pole molded case circuit breaker
• Systems requiring thermal-magnetic protection