This worm-wheel operator WH-R meets the highest quality requirements through the use of high – quality material. The operator:
Noiseless, self-locking worm-wheel operator with additional brake and integrated infinitely variable torque limiter. 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 flanged by means of a flexible coupling. 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. 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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