1. Max. current: 900A. Max. voltage: 12kV.
2. Silicone rubber insulator.
Description
Outdoor AC Isolator Switch is used to open and close circuit with voltage but no0load 50/60HZ, 12(11)kV power system. The anti-pollution type can be used in the serious pollution area.
Ambient Condition:
• Altitude:≤3000m
•Ambient temperature:+30°C ~-40°C
•Wind speed:≤35m/s
•Earthquake intensity:≤8 degree
•Air pollution :IV
•Ice thickness:≤10mm
Technical Specification:
NO | Item | Unit | Parameter | ||
1 | Rated Voltage | kV | 12 | 12 | |
2 | Rated current | A | 630 | 900 | |
3 | Rated power frequency | Hz | 50 | 50 | |
4 | Rated peak withstand current | kA | 63 | 63 | |
5 | Rated short-time withstand current (3S) | kA | 25 | 25 | |
6 | Rated heat steady current | kA | 25/3S | 25/3S | |
7 | Main loop resistance | μΩ | 630A≤62 | 900A≤46 | |
8 | 1min(dry) power frequency withstand voltage | Phase to phase/ | kV | 54/61.5 | 54/61.5 |
9 | 1min(wet) power frequency withstand voltage | 38.5/46.5 | 38.5/46.5 | ||
10 | Lightning impulse withstand voltage(peak) | 110 | 110 | ||
11 | Mechanical life | Times | 2000 | 2000 | |
