Description
Specifies requirements for three-pole switch-fuse combinations having rated voltages above 1 kV up to but not including 52 kV for use in three-phase a.c. systems. Covers combinations in which the switch is opened by fuse-striker action with or without the operation of other tripping devices.
Product Details
- Published:
- 01/01/1991
- File Size:
- 1 file , 220 KB