Description
Specifies general requirements for the design, construction and marking of electrical protection devices for coal and shale mines. It includes requirements for elements that detect the faulty condition, equipment for initiating tripping or locking-out of circuit-breaking devices, and equipment for limitation of earth-fault currents.
Product Details
- Edition:
- 1st
- Published:
- 01/01/1988
- ISBN(s):
- 0726250465
- Number of Pages:
- 7
- File Size:
- 1 file , 59 KB
- Product Code(s):
- 10122740, 10122733, 10122750