Aux Relay For Standard Handset. Used With S.T.R. Standard Type Handsets To Provide A Dry Contact Closure
AUX RELAY FOR STANDARD HANDSET. USED WITH S.T.R. STANDARD TYPE HANDSETS TO PROVIDE A DRY CONTACT CLOSURE.
AUX RELAY FOR STANDARD HANDSET. USED WITH S.T.R. STANDARD TYPE HANDSETS TO PROVIDE A DRY CONTACT CLOSURE.