LA-50A MO/DO (Front View) 
LA-50A MO/DO (Rear View)
Part/Catalog Number: LA-50A MO/DO
Original Manufacturer: Allis Chalmers
Product Line: LA
Amps: 1600A Frame
Operation: Manually Operated
Mounting: Draw-out
Trip Unit: AC-Pro
Voltage: 1600V Max
Interrupting Capacity: 50kAIC
Description: The Siemens-Allis LA-50A is a 1600A Frame, Manually Operated, Draw-out Style Air Circuit Breaker. It was originally outfitted with a Series overcurrent trip device, however, new trip unit models are available. Although the unit photographed is a manually operated unit, Electrically / Solenoid operated LA-50A breakers are also available. The LA-50A MO/DO was designed to be inserted into Low Voltage LA Switchgear.
LA-50A MO/DO Parts & Resources:
– Solenoid Close Coil
– Trip Coils
– Close Coils
– Relays
– Arc Chutes
– Contact Assemblies
– Operating Mechanism Parts
– Auxiliary Switches
– Control Devices
– Undervoltage Trip Device
– Trip Units
– Primary Disconnect & Finger Clusters
– Secondary Disconnects
– Maintenance Tools
– Switchgear Parts
– Draw-out Parts
– Renewal Parts Guide
– Maintenance Manuals