China Kyn61-40.5 Motor Control Metal-Ar Mor ED Shifting Switch Cabinet High Voltage Electrical Switchgear, Find details about China Circuit Breaker, Electrical Equipment from Kyn61-40.5 Motor Control Metal-Ar Mor ED Shifting Switch Cabinet High Voltage Electrical Switchgear
project | Technical Parameters | ||
Rated voltage | 40.5kV | ||
Rated frequency | 50Hz | ||
Rated current for main bus | 630A~2500A | ||
Phase to phase, phase to earth | Primary isolating fracture | ||
Rated insulation level | 1 min power frequency withstand voltage (effect value) | 95kV | 115KV |
Ligntning impulse withstand voltage | 185kV | 215KV | |
Auxiliary control circuit 1 min power frequency withstand voltage | 2000V | ||
Rated short circuit breaking current | 25kA, 31.5kA | ||
Rated short circuit closing current(peak value) | 63kA, 80kA | ||
Rated short time withstand current(4s) | 25kA, 31.5kA | ||
Rated peak value withstand current | 63kA, 80kA | ||
Rated voltage of control circuit | AC110V, 220V; DC110V, 220V | ||
External dimensions(W*D*H) | 1400(1680)×2800(3000,3200)×2600 mm | ||
Protection class | When circuit breaker chamber door is closed | IP4X | |
When circuit breaker chamber door is opened | IP2X | ||