Fail-safe actuator Belimo GK 24 A-MP. Designed for air dampers, ball valves. Power supply 24V. MP-BUS communication. More information
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Adjustment time | 35 s (em. function), 150 s |
Auxiliary contact | No |
Control | Multifunctional, 0...10 V |
Emergency functions | Yes |
Flap size | 8 m2 |
Power | 24 VAC, 24 VAC |
Torque | 40 Nm |
Weight | 1.80 kg |
Datasheet download
Download PDFBelimo GK actuator for ball valves with electrical fail-safe function on the capacitor principle.
In the event of a power interruption, the tap turns the energy stored in the capacitors to the starting position. The principle of fail-safe function is therefore different from conventional spring actuators.
The actuator requires a certain amount of time to charge on the operating capacity. The charging time of the actuator depends on the time when the power supply was disconnected. However, the charging time does not exceed 20s, which corresponds to a power failure time of more than 10 days.
The actuator is delivered completely discharged at the factory. It requires approx. 20s to charge the capacitors to reach the required voltage level.
Conventional operation: the actuator is controlled by a DC 0-10V signal and goes to the position specified by the control signal. The voltage at terminal U is used to display the feedback 0 ... 100%.
MP-BUS operation: The actuator receives the digital control signal from the master controller via the MP-Bus and moves to the specified position. The U terminal serves as a communication interface and does not send an analog measuring voltage. The actuator is suitable for Loxone system.
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