SAUTER AKF113S Rotating actuator AKF 112/113 series
How energy efficiency is improved
Torque-dependent cut-off facility for efficient usage of energy
Features
• For operating 2- and 3-way regulating ball valves for controllers with a switching output (2-/3-point
control)
• Returns to the starting position in the event of a power failure or the activation of a safety device
• Electronic torque-dependent cut-off
• Direction of rotation can be selected during fitting
Technical data
Power supply
Power supply 230 V~ ±10%, 50…60 Hz
Power supply 24 V~ ±20%, 50…60 Hz
Power supply 24…48 V= ±20%
Parameters
Torque and holding torque 7 Nm
Angle of rotation Max. 95°
Power cable 0.9 m, 0.75 mm²
(fixed to housing)
Running time for 90° motor 90 s
Running time for 90° spring 15 s
Ambient conditions
Admissible ambient temperature–32…55 °C
Admissible ambient humidity 5…95% rh
Construction
Weight 1.2 kg
Housing Two-piece
Housing material Cast aluminium
Standards and directives
Type of protection IP 54 as per EN 60529
IP 42 depending on fitting position
Protection class 230 V II as per IEC 60730
Protection class 24 V III as per IEC 60730
CE conformity according to EMC Directive 2004/108/EC EN 61000-6-2. EN 61000-6-3
Only for AKF120F120 Low-voltage directive 2006/95/EC EN 60730-1. EN 60730-2-14
Over-voltage categories III
Degree of contamination II
Overview of types
Type Power consumption Control function Voltage
AKF112F120 4.5 W, 7.0 VA 2-point 230 V~
AKF112F122 3.5 W, 5.0 VA 2-point 24 V~/24…48 V=
AKF113F122 3.5 W, 5.0 VA 3-point 24 V~/24…48 V=
Accessories
Type Description
0510240001 Assembly kit for VKR/BKR ball valves as spare part and as accessory for rotary actuators ASF
112. 113 from index B
Description of operation
2-point model:
After the power is connected, the control unit to be activated is moved in the direction of the 90° posi
tion until the power-dependent cut-off is performed (scale on actuator, max. angle of rotation 95°). In
the process, the gear unit with its brushless DC motor is stopped and blocked. If the power is cut off
or switched off, the motor releases the gear unit so that the spring turns the coupling piece back to
the 0° position.
3-point model:
The actuator turns from 0° to 90° when the power is applied to connection 2 (cable = violet), and from
90° to 0° when the power is applied to connection 3 (cable = orange). The actuator stops in the mid
dle position of the 3-point controller. If the power is cut off or is switched off by a safety device at con
nection 21 (cable = red), the gear unit is released so that the spring turns the coupling piece back to
the 0° position. In the two end positions (limit stop of damper, limit stop due to angle-of-rotation limit,
max. angle of rotation of 95° reached) or in the case of an overload, the torque-dependent cut-off is
activated (no limit switches).
Intended use
This product is only suitable for the purpose intended by the manufacturer, as described in the “De
scription of operation” section.
All related product regulations must also be adhered to. Changing or converting the product is not ad
missible.
Engineering and fitting notes
The electronic concept enables the parallel operation of multiple control ball valves with different tor
ques. However, it must be ensured that the operating voltage is within the required tolerance range.
The actuator can be fitted in any position apart from suspended. It can be plugged directly onto the
control ball valves of types VKR and BKR and is fixed by means of the mounting kit.
No auxiliary switches or potentiometers can be installed subsequently.
The angle of rotation can be limited to between 0° and 90° in 5° stages.
!Beware of injury
When the housing is opened, there is a risk of injury due to the return spring.
►The housing must not be opened.
Additional technical data
The two-part section of the housing (must not be opened) contains the brushless DC motor, the elec
tronic control unit, the maintenance-free gear unit with the anti-blocking function, the return spring
and, in the 230 V model, the transformer. The clockwise or anti-clockwise direction is determined by
how the actuator is mounted on the control ball valves (changes the direction of rotation of the safety
function).
The actuator can be turned and locked into any position using the hex spanner supplied (see
MV 505820). The gear unit is released again by unlocking it mechanically or by connecting the oper
ating voltage.
Power consumption
Type
Running time [s]
Status
AKF112F120
90
Operation
Standstill
AKF112F122
90
AKF113F122
90
Outdoor installation
Operation
Standstill
Operation
Standstill
Active power P [W]
Apparent power S [VA]
If installed outside of buildings, the devices must be additionally protected from the weather.
Disposal
When disposing of the product, observe the currently applicable local laws.
More information on materials can be found in the Declaration on materials and the environment for
this product