This worm-wheel operator WH-RS meets the highest quality requirements through the use of high – quality material.
Noiseless, self-locking worm-wheel operator with additional brake and integrated infinitely variable torque limiter between motor and gearbox. This means that when the motor is stopped the irreversible system of the gearbox locks the gate so that normally no additional locks are required. Only one free shaft, right or left. The worm-wheel of special bronze and worm are equipped with ball bearings for noiseless operation. The limit switch shaft with its own drive worm is integrated in the gear box and runs in oil. It has standard a range of 33 rotations of the main shaft. The AC motor is directly with standard voltage 3-phase AC 230/400 V. (special voltage at options). In case of emergency it is possible to open the gate manually by unlocking the torque limiter. This does not affect the limit switch setting. Horizontal position is recommended.
The control box:
Standard equipment of the operators: electric controller according the VDE prescriptions, possibility of connection of remote controls of any kind, safety rail control, photocells etc. Control voltage 24 V. Auxiliary push buttons open – close for operation during mounting. The operator can also be equipped with a limit switch system ES10. It consist out of 1 micro-switch each for the open and close position and a safety limit switch for each side of rotation.
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