Data Sheet for Product

MT Series SSC Electronic Valve Actuator, 24 Vac Floating Control Technical Instructions
Document Number 155-314P25
May 8, 2019
Siemens Industry, Inc. Page 5
Wiring Diagrams
Figure 4. SSC81U Neutral Switching
Non-Spring Return.
Figure 5. SSC81.5U Neutral Switching
Spring Return.
Y2 Retracts actuator shaft
Y1 Extends actuator shaft
G System potential (hot)
G0 Neutral – (SSC81.5U Only)
Figure 6. SSC81U Hot Switching
Non-Spring Return.
Figure 7. SSC81.5U Hot Switching
Spring Return. For Non-Triac
Driven Controllers.
Figure 8. SSC81.51U Hot
Switching Spring Return for Triac
Driven Controllers
(TEC, DXR, Others).
Y2 Retracts actuator shaft
Y1 Extends actuator shaft
G Neutral
G0 System potential (hot) -SSC81.5U Only