China Kyn28-12 Metal Clad Moving High Voltage Switchgear for Medium Voltage, Find details about China Power Supply, Circuit Breaker from Kyn28-12 Metal Clad Moving High Voltage Switchgear for Medium Voltage
Item | Unit | Parameter | ||
Rated voltage | KV | 3.6,7.2/12 | ||
Rated frequency | Hz | 50 | ||
Rated current of breaker | A | 630,1250,1600,2000,2500,3150 | ||
Rated breaking active load current | A | 630,1250,1600,2000,2500,3150 | ||
Rated closed loop breaking current | KA | 20,25,31.5,40 | ||
Rated current under the cable charging breaking current | KA | 50,63,80,100 | ||
Rated short-circuit closing current(peak) | KA | 20,25,31.5,40 | ||
Rated short-circuit breaking current | KA | 50,63,80,100 | ||
Rated insulation level | 1 min frequency withstand voltage | Pole,the pole pair | KV | 24,32,42 |
break between | KV | 24,32,48 | ||
Lighting impulse withstand voltage(peak) | Pole,the pole pair | KV | 40,60,75 | |
break between | KV | 46,70,85 | ||
Degree of protection | KV | Enclosure IP4X,compartment circuit breaker door open when IP2X |