Audited Supplier
ZW32-12
High Voltage Circuit Breakers
Manual Type
Vacuum
Fixed
Circuit Breaker
Conventional Circuit Breaker, Overcurrent Protection
ISO9001-2000
50Hz
12kv
630/1250A
20/25ka
DGG
Export Box
China
8504311000
Product Description
Our factory
We are professional manufacturer of current transformer ,voltage transformer, Vacuum Circuit Breakers/Recloser,Isolation switches,Dropout Fuse Cut-out,Lightning Arresters,High and Low Voltage Cabinets,Metering Devices,Power Distribution Transformers etc.
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 networks.
Model and Meanings
Outline and Dimensions
Test Reports
All products have undergone professional testing and certification.
Our Customer
Our customers are located all over the world.
Photos of Product
We are professional manufacturer of current transformer ,voltage transformer, Vacuum Circuit Breakers/Recloser,Isolation switches,Dropout Fuse Cut-out,Lightning Arresters,High and Low Voltage Cabinets,Metering Devices,Power Distribution Transformers etc.
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 networks.
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. | ||||
Outline and Dimensions
Test ReportsAll products have undergone professional testing and certification.
Our CustomerOur customers are located all over the world.
Photos of Product
