Direct-coupled actuator with self-centering shaft adapter.
For the operation of quarter-turn air dampers in safety related applications requiring springreturn fail-safe operation (e.g. frost protection).
For VBF ball valves
Protection class IP54
Position indication rotational angle scales 0..90o, 90..0o
End switch function/capacity models with 2 SPDT switches 250 V, 3 (1,5) A; fixed setting at 7o and 85o
Shaft mounting for round shafts 10..27 mm; square shafts 13..19 mm
Spring return yes
Manual operation yes
Spring return timing 20 s
Additional description
Rotation direction selectable by flipping the actuator 180o around its vertical axis.
Actuator supplied with complete package mounting parts.
Autoadapt dipswitch. With this function the full span of the control input signal will be used for the applicable angle or rotation.
Removable wiring box, without cable gland (M16x1,5).
Actuator can be locked and manually wound.