Lever Type Limit Switches By Omega Controls Private Limited

These Lever Type Limit Switches are used for Heavy duty E. O. T. Cranes, wagon shunting devices etc to prevent over travel or traverse on power & control circuit upto 500 V. A. C, 50 cycles/second and 40 amps continuous current. When used as shunt limit switch the maximum permissible frequency of operation is 1000 operations per hour. When used as series Limit Switch the maximum permissible frequency of operations at rated current is 720 operations per hour.

The Limit Switch normally remains closed and cuts off power to stop the motor of the crane. The Limit Switch operates when it reaches a predetermined position when the lever is moved over a projecting member fixed on the girder. The series Limit Switch is fitted with 4 sets of contacts which cuts off 2 phases of the motor in either direction and is suitable for 500 V. 50 c/s. AC. supply system. The Limit Switch contacts are automatically reset when the lever returns to zero position due to spring action.