Basic Info.
Model NO.
ZW32-12
Arc-extinguishing Medium
Vacuum
Installation
Fixed
Type
Circuit Breaker
Function
Conventional Circuit Breaker, Overcurrent Protection
Rated Frequency
50Hz
Rated Voltage
12kv
Rated Current
630/1250A
Rated Short-Circuit Breaking Current
20/25ka
Transport Package
Export Box
Trademark
DGG
Origin
China
HS Code
8504311000
Production Capacity
100000PCS/Year
Packaging & Delivery
Package Size
80.00cm * 40.00cm * 75.00cm
Package Gross Weight
120.000kg
Lead Time
30 days (1 - 100 Pieces)
To be negotiated ( > 100 Pieces)
To be negotiated ( > 100 Pieces)
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 Reports
All products have undergone professional testing and certification.


Our customers are located all over the world.

Photos of Product
