I/O digital expansion modules all with relay outputs. Powered by the base unit and should be chosen such that the supply voltage matches the base unit they will be used with. Attach to the right hand end of modular smart relays. Only one digital expansion module may be fitted to a base unit
Manufacturer Series = SR3B-B Smart Relay
Output Type = Relay
Number of Outputs = 4
Number of Inputs = 6
Input Type = Discrete
Display Included = No
For Use With = SR3B-B
Depth = 59.5mm
Length = 110mm
Module Type = Input/Output