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Schneider Electric LA-3400-F - Molded Case Circuit Breaker 400A 600V

Schneider Electric
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Schneider Electric LA-3400-F is a molded case circuit breaker designed for primary overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 600V AC and 400A continuous current, providing robust fault interruption capabilities. The unit weighs 18.12 lb and features a compact, rugged construction suitable for panelboard or switchboard mounting. This breaker complies with UL 489 and CSA standards, ensuring reliable performance in demanding environments. Typical applications include motor control centers, main service disconnects, and feeder protection in manufacturing plants and commercial facilities.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: Standard molded case frame size
  • Standards: UL 489, CSA
  • Applications: Industrial power distribution, motor protection, feeder circuits
  • Switch Type: Thermal-magnetic
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Standard industrial packaging
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 400A
  • AIC rating: 25kA at 480V AC
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent and short-circuit
  • Functions: Circuit isolation and fault interruption
  • Frame Size: LA
  • Trip Type: Thermal-magnetic
  • Panel Type: Suitable for panelboard or switchboard
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Up to 500 kcmil
  • Metal Type: Copper or aluminum compatible
  • Panel Style: Industrial
  • Bus Type: Standard
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Panel or switchboard
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: 400 HP at 480V
  • Aux Contacts: Optional
  • CPT: Not included
  • Full Load Amps: 400A
  • Dist Voltage: 600V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 400A
  • Full Load Amp Minimum: 0A
  • Enclosure: Open style
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 400A
  • Amperage Minimum: 0A
  • Nema Rating: 1
  • Switch Style: Thermal-magnetic
  • Wire Size: 14 AWG to 500 kcmil
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-wire
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: LA series
  • Installation Type: Panelboard or switchboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: LA
  • Current Rating: 400A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
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