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High-Quality JDZ9-3, 6, 10R Voltage Transformers from China Suppliers and Factory for Reliable Power Measurement

Voltage transformers play a crucial role in modern AC power systems, offering exceptional reliability, durability, and safety. As a leading manufacturer in China, our factory produces voltage transformers that adhere to the established standards, including GB20840.1-2010 and GB20840.2-201These transformers are engineered for robust construction and low maintenance, making them perfect for applications such as energy metering, voltage measurement, and relay protection. Choose us as your trusted suppliers for high-quality voltage transformers that meet all your power system needs

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Product Detail

Model and its meaning

Summarize

💡 As industries continue to evolve and demand more efficient power solutions, voltage transformers will play an increasingly important role in ensuring the smooth and safe operation of power systems in all environments. Investing in high-quality voltage transformers is a positive step towards a reliable and efficient power infrastructure.

Safety is a top priority in electrical systems, and the voltage transformer design incorporates multiple features to enhance user safety. The terminal box, mounted on the transformer's secondary output terminals, provides a secure and organized space for wiring. Access holes on the front and sides of the terminal box provide easy access and connection to the output terminals. This thoughtful design not only ensures safe and reliable wiring but also minimizes the risk of accidental disconnection or short-circuiting, effectively preventing system failures or hazardous situations.

Normal Service Condition

Installation place: Indoor.
Ambient temperature: Maximum temperature 40℃ | Minimum temperature -5℃ | The average daily temperature does not exceed 30℃.
Atmospheric conditions: No serious pollution in the atmosphere.

Technical Parameter

Product Model	Rated Voltage Ratio	Accuracy Level or Combination of Accuracy Level	Rated Output	Limiting Output	Rated Insulation Level
JDZ9-3R	3/0.1	0.2	20	500	3.6/25/40
		0.5	50
JDZ9-6R	6/0.1	0.2	30	500	7.2/32/60
		0.5	50
JDZ9-10R	10/0.1	0.2	30	500	12/42/75
		0.5	50

Structure and Characteristics

🔩 This series of voltage transformers adopt a pillar structure and are fully enclosed with epoxy resin by epoxy casting. They are resistant to pollution and moisture and are also suitable for use in tropical regions. The transformers do not require special maintenance and only need to have their surface dirt cleaned regularly. At its primary output end, there are two easily replaceable fuses for short-circuit protection. The base plate of the product is equipped with grounding bolts and four installation holes for installation.

Frequently Asked Questions (FAQ)

Q What does the model name JDZ9-3R, JDZ9-6R, and JDZ9-10R indicate?

The model names indicate the rated voltage level of each transformer. JDZ9-3R is rated for 3kV, JDZ9-6R for 6kV, and JDZ9-10R for 10kV. The suffix "R" and the number refer to the specific design series and voltage class of the transformer.

Q What is the rated voltage ratio for these transformers?

The rated voltage ratios are 3/0.1 for JDZ9-3R, 6/0.1 for JDZ9-6R, and 10/0.1 for JDZ9-10R. This means the primary high voltage is stepped down to 0.1kV (100V) on the secondary side for measurement and protection purposes.

Q What are the available accuracy levels for the JDZ9 series voltage transformers?

The JDZ9 series voltage transformers are available in accuracy levels of 0.2 and 0.5. The 0.2 accuracy class is typically used for high-precision metering applications, while the 0.5 class is suitable for general metering and protection purposes.

Q What are the installation and environmental requirements for these transformers?

These transformers are designed for indoor installation only. The ambient temperature must remain between -5℃ and 40℃, with an average daily temperature not exceeding 30℃. The installation environment should also be free from serious atmospheric pollution to ensure reliable operation.

Q Do the JDZ9 series transformers require regular maintenance?

These transformers are designed to be low-maintenance. They do not require special maintenance procedures. The only routine task required is regularly cleaning surface dirt from the transformer body to maintain its performance and longevity.

Q What safety features are built into the JDZ9 series voltage transformers?

The JDZ9 series incorporates several safety features, including two easily replaceable fuses at the primary output end for short-circuit protection, a terminal box on the secondary output terminals for secure and organized wiring, and access holes on the front and sides of the terminal box for safe and convenient connections. The fully enclosed epoxy resin casting also provides excellent moisture and pollution resistance.