Product Application
This type of voltage transformer has a fuse protection on the primary winding and is equipped with an elbow-type
cable plug from COOPER. The fuse is quick to install, and the fusing current matches the short-circuit capacity of the voltage transformer. The secondary output capacity is large and the accuracy level is high. It not only provides 100V measurement voltage, but also provides 220V operating power for circuit breakers.
Execution Standard
GB20840.3-2013
Conditions of Use
● Ambient temperature between -40℃ and 70℃, with a daily average temperature not exceeding 35℃.
● No significant dust, smoke, corrosive gases, steam, or salt contamination.
● Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90%.
● Altitude not exceeding 1000 meters.
Wiring Diagram
Technical Parameters Table
| Model | Rated Voltage Ratio (kV) | Accuracy Class and Accuracy Class Combination | Rated Secondary Output (VA) | Thermal Limit Output (VA) | Rated Insulation Level (kV) |
| JSZV12-3R | 3/0.1 | 0.2 0.5 1 | 2×30 2×90 2×250 | 2×600 | 3.6/25/40 |
| JSZV12-6R | 6/0.1 | 7.2/32.6/0 | |||
| JSZV12-10R | 10/0.1 | 12/42/75 | |||
| JSZV12-3R | 3/0.1/0.1 | 0.2/0.2 0.2/0.5 0.5/0.5 | 2×202/20 2×202/30 2×432/445 | 2×500/2×500 | 3.6/25/40 |
| JSZV12-6R | 6/0.1/0.1 | 7.2/32.6/0 | |||
| JSZV12-10R | 10/0.1/0.1 | 12/42/75 |
External Dimensions Diagram
Keywords
Voltage transformer for ring main unit
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Category
Product Application
This type of voltage transformer has a fuse protection on the primary winding and is equipped with an elbow-type
cable plug from COOPER. The fuse is quick to install, and the fusing current matches the short-circuit capacity of the voltage transformer. The secondary output capacity is large and the accuracy level is high. It not only provides 100V measurement voltage, but also provides 220V operating power for circuit breakers.
Execution Standard
GB20840.3-2013
Conditions of Use
● Ambient temperature between -40℃ and 70℃, with a daily average temperature not exceeding 35℃.
● No significant dust, smoke, corrosive gases, steam, or salt contamination.
● Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90%.
● Altitude not exceeding 1000 meters.
Wiring Diagram
Technical Parameters Table
| Model | Rated Voltage Ratio (kV) | Accuracy Class and Accuracy Class Combination | Rated Secondary Output (VA) | Thermal Limit Output (VA) | Rated Insulation Level (kV) |
| JSZV12-3R | 3/0.1 | 0.2 0.5 1 | 2×30 2×90 2×250 | 2×600 | 3.6/25/40 |
| JSZV12-6R | 6/0.1 | 7.2/32.6/0 | |||
| JSZV12-10R | 10/0.1 | 12/42/75 | |||
| JSZV12-3R | 3/0.1/0.1 | 0.2/0.2 0.2/0.5 0.5/0.5 | 2×202/20 2×202/30 2×432/445 | 2×500/2×500 | 3.6/25/40 |
| JSZV12-6R | 6/0.1/0.1 | 7.2/32.6/0 | |||
| JSZV12-10R | 10/0.1/0.1 | 12/42/75 |
External Dimensions Diagram
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