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Technical Instructions
Document Number 155-313P25
January 12, 2018
Specifications
Power requirements
Control characteristics
Functional operation
Agency certification
Ambient conditions
Physical characteristics
Page 2
MT Series SSC Electronic Valve Actuator, 24 Vac/dc Proportional Control
Operating voltage
Frequency
Power supply
SSC61U power consumption
SSC61.5U power consumption
Control signal (Y)
Voltage
Current
Running time
at 50/60 Hz
Spring return, SSC61.5U only (Figure 1)
Nominal stroke
Nominal force
Stroke/signal relationship
Capacitor charge time (Figure 1)
Spring return (SSC61.5U only)
UL
cUL
Ambient temperature
Operation
Transport and storage
Ambient humidity
Media temperature
Wiring Connection
Weight
Dimensions
24 Vac ±20%, 24 Vdc ±20%
50/60 Hz ±2 Hz
24 Vdc or earth ground isolating,
Class 2, 24 Vac transformer
NOTE: Do not power more than
10 actuators with one
transformer.
2 VA
3 VA at ultra cap load,
2 VA at normal operation
0 to 10 Vdc (default) or 0 to 20 mA with
external 500 ohm, 0.2W resistor
0.1 mA
30 sec ±10%
» 30 seconds
7/32-inch (5.5 mm)
67 lb (300N)
Linear
maximum 180 seconds
Non-mechanical, electronic return fails
to stem up (0 position)
UL873 Listed
Certified to CSA C22.2 No. 24-93
41°F to 122°F (5°C to 50°C) with
-13°F to 158°F (-25°C to +70°C)
0 to 90% rh (non-condensing)
35°F to 230°F (2°C to 110°C)
Plenum cable or 3/8-inch flex conduit
0.61 lb (0.27 kg)
See Figure 7
Siemens Industry, Inc.
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