1.Outdoor Type High Voltage Disconnect Switch 2.High quality and completive price. 3.Silicone rubber insulator. 4.12kV 630A.
Outdoor Type High Voltage Disconnecting Switch / fuse disconnecting switch /isolating switch
Description
The products are used mainly in AC 12kV,630A, 50Hz power system and serve for, in case with voltage but without load, disconnecting the high voltage overhead line, maintained high voltage generatrix and breaker etc. the products are suitable for the outdoor distribution line and transformer substation in power supply, railway, mining and oil field.
Technical Parameter
Product specification | YDDCD-12/630 | |
Rated voltage | 12kV | |
Rated current | 630A | |
Rated frequency | 50Hz | |
Rated short time withstand current | 25kA/3S | |
Rated peak withstand current | 63kA | |
Rated power frequency dry withstand voltage (1 minute) | phase to earth | 54kV |
across isolating distance | 61.5kV | |
Rated power frequency wet withstand voltage (1 minute) | phase to earth | 38.5kV |
across isolating distance | 46.5kV | |
Lightning impulse withstand voltage(BIL) | phase to earth | 110kV |
across isolating distance | 110kV | |
Creepage distance | ≥ 496mm | |
Creepage distance per unit withstand voltage | ≥41mm/kV | |
Loop resistance | ≤62μΩ | |
Mechanical life (times) | 2500CO | |
Weight | ≈7kg | |
The installation altitude is 3000m, if exceeds 3000m, please contact manufacture.
Operation environment
Altitude No more than 3000m
Surrounding temperature between -10 to 40 Centigrade.
Working situation no conductivity dust
No corrosive gas of effect insulation and destroy metal.
Without violent vibration and striking.
Have no explosive danger and fire.
All the products meet the ISO9001:2008, IEC
Outdoor Type High Voltage Disconnecting Switch / fuse disconnecting switch /isolating switch
