SIRIUS 3RF34 solid-state switching devices
3.2 Product description
SIRIUS Innovations
320 System Manual, 01/2011, A8E56203870002-03
3.2.4 Solid-state switching devices
Operator controls and equipment
Solid-state contactor
Operator control/Equipment Function
1 Solid-state contactor Frequent switching on and switching off of AC drives
2 Screw-type connection
system/Spring-loaded
connection system
Main circuit terminals infeed/line side
3 LED The yellow LED lights up when the control voltage is
applied.
4 Plug-in control connection
(2 terminals)
Removable terminals for the control circuit
5 Screw-type connection
system/Spring-loaded
connection system
Main circuit terminals outgoing feeder motor/load side
Figure 3-1 Solid-state contactor overview - Screw-type connection system and spring-loaded
connection system
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