Cut Sheet
NEC/CEC: 
Class I, Division 2, Groups B, C, D 
Class I, Zone 2, Group IIC 
Class II, Groups E, F, G 
Class III 
Selector Switch
Description Diagram  Catalog Number
2 Position, 2 Circuit
2 Position, 2 Circuit, Maintain Contact Left 
Position, Maintain Contact Right Position
On/Off nameplate
UCSS12
2 Position, 4 Circuit, Maintain Contact Left 
Position, Maintain Contact Right Position
On/Off nameplate
UCSS22
3 Position, 2 Circuit, Maintain Contact Left 
Position, Maintain Contact Right Position
Hand-Off-Auto nameplate
UCSS13
2 Position, 4 Circuit
3 Position, 2 Circuit, Momentary Contact Right 
Position, Spring Return to Center, Maintain 
Contact Left Position
UCSS13SRC
3 Position, 2 Circuit, Momentary Contact Left 
Position, Spring Return to Center, Maintain 
Contact Right Position
UCSS13SLC
3 Position, 4 Circuit
Maintain Contact Left Position
Maintain Contact Right Position
UCSS23
3 Position, 2 Circuit
3 Position, 4 Circuit, Alternate Contacts
Maintain Contact Left Position
Maintain Contact Right Position
UCSSA23
3 Position, 4 Circuit
Momentary Contact Right Position
Spring Return to Center
Maintain Contact Left Position
UCSS23SRC
3 Position, 4 Circuit, Alternate Contacts, 
Momentary Contact Right Position, Spring Return 
to Center, Maintain Contact Left Position
UCSSA23SRC
3 Position, 4 Circuit
3 Position, 4 Circuit, Momentary Contact Left 
Position, Spring Return to Center, Maintain 
Contact Right Position
UCSS23SLC
3 Position, 4 Circuit, Alternate Contacts, 
Momentary Contact Left Position; Spring Return to 
Center, Maintain Contact Right Position
UCSSA23SLC
3 Position, 4 Circuit, Alternate Contacts, 
Momentary Contact Left Position, Spring Return to 
Center, Momentary Contact Right Position
UCSSA23SRL 
UniCode
™
 Series Factory Sealed Control Stations and Pilot Lights
Selector Switches. Component Parts
CONTROLS: NEC/CEC EXPLOSIONPROOF CONTROL STATIONS AND SWITCHES
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© June 2017
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