CRD are used for power supply to Gantry cranes & magnets & Transfer Trolley.
These Drum roll & relax cable on the drum in Horizontal & Vertical ways. The springs used in these drums are of High-Excellence Spring steel material Spirals spring type, for various cable size & length. The range of characteristic of spring, can be either single or in series / parallel spring. Spring Operated CRD are available in various models.
- Lever Type : Lever Limit Switch is used for heavy duty E.O.T. Cranes, Gantry Cranes, Elevators, Transfer Trolleys to cut off the devices etc. To prevent moving or over traversing on power and control circuit up to 500 volts A.C. 50 Hz and 10amps and 40 amps current rating.
- Gravity Type : Counter-weight limit switch used in EOT Crane, Gantry Cranes & Hoist when the load reaches the top positions. It will come in 10 amp & 40-amp contacts with 1 / 2 /4 NO/ NC contacts. (With wire rope & Counterweight-if require)
- Rotary Type : Rotary geared type limit switches are used to trip motor supply when the moving loads reach the extreme end positions of working zone. Rotary Limit switches are mainly used in Overhead Crane, Hoist, Winches, Gantry Cranes & other applications.