Master Controller
Master controller are used for remote operation of the equipment like E. O. T cranes & rolling mills drives etc. The enclosure of the controller confirms to I. P 54 degrees of protection, making it dust proof. It has u to 6 notches either side with maximum 24 contacts as per desired sequence. Controller are provided with spring & Dead man’s handle arrangemtn. They are compact up to 4-0-4 step. Suitable for Hoist-Grab, Cross Travel Long Travel. Up tp 16 contacts per motion with spring return arrangement is provided.
Salient Features:
- Long Life: Millions of operations are possible without significant wear to melamine cams and contacts which are rated for 40amps at 500 V A.C.
- Simple Maintenance: Maintenance is simplified through the use of individual interchangeable contact blocks. Contact tips can be easily inspected without removing the block or disturbing connections. When contacts are worn, only fixed and moving contacts can be replaced by removing only one screw. The remaining contact blocks and circuits are disturbed.
- Wide Electrical Clearance: The design of contact block provides generous electrical creepage and clearance, preventing arcing between contact blocks or to ground. Heavy duty terminal screws are located for convenience and ease of wiring.
Techincal Data
Body Material | Sheet Steel/Aluminium Die cast |
Protection Degree | IP-44/ IP-54 Confirming to IS-13947(Part-1) 1993 |
Mounting Position | Horizontal/Vertical |
Contact Material | Silver Cadmium |
Rated Voltage Insultion | 500V A.C. |
Thermal Test Current | 10 Amps. |
Cable entries | 2×20 ø 2×26 ø standard Conduit |
Frequency of operation | 100 switching per hour |
Contacts | Single/ double break |
No. of contacts | 24 maximum |
No. of steps | 7-0-7 maximum |
Optional | Spring return/deadman’s handle arrangement |