These actuators provide electronic proportional control of dampers, valves, or program switches requiring the return to normal position upon power interruption.

• Compatibility with 2 to 15 Vdc System 8000 input signals
• Proportional control by variable Vdc input signal
• Spring return
• Fixed 3 Vdc operating span
• Timing: 60 second extension; 40 second retraction, 15 second retraction (power loss)
• Requires linkage for dampers or valves
• Auxiliary switch (where indicated): SPDT, 10 Amps