JDZ-10 High-voltage Epoxy Cast Voltage Transformer
Overview
The JDZ-10 voltage transformer is suitable for AC power systems with a rated frequency of 50Hz or 60Hz and a rated voltage of 3~10kV, for electric energy metering, voltage monitoring, and relay protection. The product complies with GB 1207 "Voltage Transformers".
Model and Meaning


Normal Operating Conditions
Installation site: Indoor.
Ambient temperature: Maximum 40C; Minimum -5C; Daily average not exceeding 30C.
Atmospheric conditions: No heavy pollution in the atmosphere. The JDZ-10 voltage transformer can operate stably for a long time under the above conditions.
Technical Parameters
| Product Model | Rated Voltage Ratio (kV) | Accuracy Class or Accuracy Class Combination | Rated Output (VA) | Limit Output (VA) | Rated Insulation Level (kV) |
| JDZ-3 | 3/0.1 | 0.2 | 15 | 300 | 3.6/25/40 |
| 0.5 | 30 |
| JDZ-6 | 6/0.1 | 0.2 | 20 | 400 | 7.2/32/60 |
| 0.5 | 50 |
| JDZ-10 | 10/0.1 | 0.2 | 25 | 500 | 12/42/75 |
| 0.5 | 50 |
Structure and Features
This series of voltage transformers is a semi-enclosed epoxy cast type. The core is assembled from high-quality silicon steel sheets, and the casting contains cylindrical concentric primary and secondary coils.
The JDZ-10 voltage transformer has a grounding bolt and four mounting holes on the bottom clamp, making installation convenient and maintenance simple.
Outline Drawing and Installation Dimensions


Ordering Information
Please provide the following parameters when ordering:
- Product model
- Rated voltage ratio (kV)
- Accuracy class combination and rated output (VA)
- Altitude (m)
Note: If users have special requirements, they can be determined through negotiation with our company.