Basic Info.
Model NO.
ZW32-12
Rated Frequency
50
Rated Voltage
12
Rated Current
630/1250
Mechanical Life
10000
Transport Package
Export Box
Trademark
DGG
Origin
China
HS Code
8504311000
Production Capacity
100000PCS/Year
Product Description
Photo of product
General
ZW32-12 Series outdoor AC vacuum circuit breaker is 12kV distribution equipment of 3 phase,50Hz. It's used to connect and break load current,over-load current, and short-circuit current. It's applicable for substations, industry, mining, and urban and rural electric power networks, especially applicable on occasions with frequent operation and automatic power distribution
network.
Model and Meanings
General
ZW32-12 Series outdoor AC vacuum circuit breaker is 12kV distribution equipment of 3 phase,50Hz. It's used to connect and break load current,over-load current, and short-circuit current. It's applicable for substations, industry, mining, and urban and rural electric power networks, especially applicable on occasions with frequent operation and automatic power distribution
network.
Model and Meanings
| Technical specification | ||||
| No. | Item | Unit | Data | |
| 1 | Rated frequency | Hz | 50 | |
| 2 | Rated voltage | kV | 12 | |
| 3 | Rated current | A | 630/1250 | |
| 4 | Rated short-time power frequency withstand voltage | Interphase, to earth(wet) | kV/min | 42/1 |
| Interphase, to earth(dry) | 48/1 | |||
| Break(dry) | 34/1 | |||
| Secondary circuit to earth | 2/1 | |||
| 5 | Rated lightning impulse withstand voltage | Interphase, to earth | kV | 75 |
| Break | 85 | |||
| 6 | Rated short-circuit breaking current | kA | 20/25 | |
| 7 | Rated short-circuit making current(peak) | 50/63 | ||
| 8 | Rated short-time withstand current and duration | kA/s | (20/25)/4 | |
| 9 | Rated peak withstand current | kA | 50/63 | |
| 10 | Rated short-circuit breaking current breaking times | Times | 30 | |
| 11 | Rated operating voltage and rated voltage of the auxiliary circuit | V | AC/DC220,DC48,DC24 | |
| 12 | Main circuit resistance | Without isolation | μΩ | ≤80 |
| With isolation | ≤120 | |||
| 13 | Mechanical life | Times | 10000 | |
| Note: If the altitude is over 1000m, the rated insulation level should be modified as appropriate. | ||||