User Manual

3SU10 device range
4.2 Overview
SIRIUS ACT 3SU1 pushbuttons and signaling devices
System Manual, 02/2015, A5E03457306020A/RS-AB/002
73
4.2.2.11 22.5 mm key-operated switches
Key-operated switches are equipped with a lock for safety reasons. Only an authorized
group of persons who have access to the relevant key can perform a switching operation (in
this case, actuation of contact modules). Up to 3 switch positions can be temporarily or
permanently selected using a key-operated switch.
Key-operated switches are available in different variants according to the following features:
● Key-operated switch manufacturer
● Key removal positions
● Switch positions
● Collar and front ring material
● Color of actuators
● Switching functions: latching / momentary contact
For further information refer to Chapter "Installation (Page 89)"