BS 5524:1987
$142.49
Specification for gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above
Published By | Publication Date | Number of Pages |
BSI | 1987 | 46 |
Requirements for indoor or outdoor switchgear utilising gas other than air at atmospheric pressure for insulation for a.c. rated voltages of 72 kV upwards at frequencies up to 60 Hz.