Main technical parameters
Name Unit Data
Rated voltage kV 3.6 7.2 12
Rated frequency Hz 50
Circuit breaker rated current A 630 1250 1600 2000 2500 3150
Rated current of switchgear A 630 1250 1600 2000 2500 3150
Rated short-time withstand current (4s) kA 20 25 31.5 40
Rated peak withstand current (peak) kA 50 63 80 100
Rated short-circuit breaking current kA 20 25 31.5 40
Rated short circuit closing current (peak) kA 50 63 80 100
rated
Insulation level 1min power frequency withstand voltage Between poles, poles to the ground kV 24 32 42
Between fractures kV 24 32 42
Lightning impulse withstand voltage (peak) Between poles, poles to the ground kV 40 60 75
Between fractures kV 46 70 85
Class of protection The enclosure is IP4X, and the compartment and circuit breaker room doors are IP2X when opened.
Overall dimension
Hight 2300
Width Rated current 1250A and below 800
Rated current 1600A and above 1000
Depth Cable inlet and outlet 1500
Overhead inlet and outlet line 1660