For dampers with security function up to approx. 0.8 m² up to 95° angle of rotation
Universal spindle clamp 
8…16 mm
| LF230 | LF230-S | LF24 | LF24-S | ||
| Torque | 4 Nm | X | X | X | X |
| Control type | Open/close | X | X | X | X |
| Nominal voltage | AC / DC 24 V | X | X | ||
| AC 230 V | X | X | |||
| Running time motor | < 75 s | X | X | X | X |
| Running time spring-return | < 20 s | X | X | X | X |
| Control | Open/Close with single-wire contact | X | X | X | X |
| Auxiliary switch | integral, potential-free, 0…100 % adjustable | X | X | ||
| Direction of rotation | reversible (right/left) | X | X | X | X |
| Angle of rotation limiting | integral adjustable | X | X | X | X |
1) Motor running time, control, operating range, position feedback and other functions can be parameterised with the PC-Tool (MFT-P) or the parameter setting device (ZTH EU).
| LF24-SR | LF24-MFT | ||
| Torque | 4 Nm | X | X |
| Control type | Modulating | X | |
| Modulating/Multifunctional 1) | X | ||
| Nominal voltage | AC / DC 24 V | X | X |
| Running time motor | < 150 s | X | |
| < 150 s adjustable 1) | X | ||
| Running time spring-return | < 16 | X | X |
| Control | DC 0…10 V | X | |
| DC 0…10 V adjustable 1) | X | ||
| Position feedback | DC 2…10 V | X | |
| DC 0…10 V adjustable 1) | X | ||
| Direction of rotation | reversible (right/left) | X | X |
| Angle of rotation limiting | mechanical adjustable | X | X |
