Data Sheet for Product

3/8
Smart Infrastructure Electromotoric Actuators CA1N4863en
2021-07-16
Accessories
The optional auxiliary switch can be fitted to the actuator with two
screws.
It switches at a stroke of approx. 50 %.
0 … 50 % : Q11 → Q12 closed Q11 → Q14 open
50 % … 1 : Q11 → Q12 open Q11 → Q14 closed
01468
See «Technical data» on page 5 for further information on the auxiliary switch.
Engineering notes
The admissible temperatures (see «Technical data», page 5) must be observed.
The actuator may be operated only with alternating current (AC 230 V for SFA21/18
and AC 24 V for SFA71/18).
• Phase cut and pulse-duration-modulated signals are not suitable.
• Recommended number of opening/closing operations: approx. 50 per day, with
200 heating or cooling days.
Mounting notes
Mounting instructions 74 319 0407 0 are enclosed with the packaging.
The supporting ring AL50 must be mounted on valve V...I46... before the actuator can
be installed.
AL50 is included in the delivery of the vlave.
Do not encase actuator with heat insulation.
85°
4863Z01
85°
Auxiliary switch
ASC2.1/18
Electrical connection
Caution
Caution
Orientation