Lever Limit Switch
Lever Limit Switch
Introduction
Lever Limit Switches are used for Heavy duty E.O.T. Cranes, Hoists to prevent over travel of hoisting motion on power and control circuit up to 500 V and 40 Amps. continuous current. The limit switch normally remains closed and cuts off power to stop the motor of the crane. The Lever 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 four sets of contacts which cuts off two phases of the motor in either direction and is suitable for 500 V supply system. The limit switch contacts are automatically reset when the lever returns to zero position due to spring action. The base and cover have machined surface to protect against dirt and dust.
Technical Specification
Body Material |
M.S sheet/Aluminium casting |
Enclosure |
IP-44/IP-54 |
Mounting Position |
Vertical |
Cable entry |
¾” Conduit |
Rated Voltage |
500 V |
Thermal Test Current |
10 Amp |
No. of contacts |
2 / 3 / 4 |
Mode of operation |
2 way self resetting |
Contact Material |
Silver Cadmium |