DS-840 EO/DO (Rear View) 
DS-840 EO/DO (Front View)
Part/Catalog Number: DS-840 EO/DO
Original Manufacturer: Westinghouse / Cutler Hammer
Product Line: DS
Amps: 4000A Frame
Operation: Electrically / Motor Operated
Mounting: Draw-out
Trip Unit: Digitrip LSI
Voltage: 600V Max
Interrupting Capacity: 85kAIC
Description: The Westinghouse / Cutler Hammer type DS-840 is a 4000A Frame, Electrically Operated, Draw-out Style Air Circuit Breaker. It was originally outfitted with a Digitrip Series solid state trip unit, however, new trip unit models are available. Although the unit photographed is an electrically / motor operated unit, manually operated DS-840 breakers are also available.
DS-840 EO/DO Parts & Resources:
– Charging Motors
– 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