application: | vacuum circuit breaker | Packaging Details: | 1. Each piece is wrapped with plastic film and foam 2. Packed in carton/wooden box 3. Binding with iron belt outside the box |
Install: | indoor | Rated frequency: | 50 Hz |
Supply capacity: | 10000 pcs spring operating mechanism per month | model: | VSG-12 |
Rated voltage: | 12kV | port: | Ningbo or Shanghai |
product name: | spring operating mechanism | Rated voltage: | 12KV/24KV |
brand: | Liyong | Breaking capacity: | as specification |
payment terms: | L/C, Western Union, T/T | Package preview: | |
Origin: | Zhejiang, China | Rated current: | 630A |
VSG -12kV VSG vacuum circuit breaker spring operating mechanism
The VSG operating mechanism is suitable for VSG-12 vacuum circuit breaker, which is a front-mounted indoor high-voltage vacuum circuit breaker, suitable for three-phase AC, 50Hz, rated voltage 12kV, suitable for breaking different loads and places with frequent operations As a protection and control unit for industrial and mining enterprises, power plants, substations, etc.
application
working environment:
1. The altitude does not exceed 2000m;
2. Ambient temperature: -15℃~+40℃;
3. Relative humidity: the monthly average does not exceed 95%, and the daily relative humidity does not exceed 95%;
4. The earthquake level does not exceed level 8;
5. No risk of fire, corrosive gas, explosion or vibration.
Technical data
thing | unit | data | |
Rated voltage | Voltage | 12 | |
Rated insulation voltage | 1 minute power frequency withstand voltage | Voltage | 65 |
Lightning impulse withstand voltage (peak value) | Voltage | 75 | |
rated frequency | hertz | 50/60 | |
rated current | A | 630,1250,1600,2000,2500,3150 | |
Rated short-time withstand current | Voltage | 20,25,31.5 | |
Rated peak withstand current | 50,63,80 | ||
Rated short circuit duration | S | 4 | |
AC component of rated short-circuit breaking current | Ka | 42 | |
Rated short-circuit making current | Ka | 50,63,80,100 | |
Mechanical life | time | 10000 | |
Allowable wear thickness of dynamic and static contacts | mm | 3 | |
Arcing time | multiple sclerosis | ≤15 |
painting |