JDZ12-10, JDZ12-6, JDZ12-3 Voltage Transformers Overview

The JDZ12-3, JDZ12-6R, and JDZ12-10R voltage transformers feature a fully enclosed, vacuum-cast epoxy resin structure, making them ideal for use in power lines and equipment with a rated voltage of 10kV and a frequency of 50Hz or 60Hz. These transformers are equipped with built-in fuse protection, perfectly matched to their short-circuit withstand capacity, ensuring reliable operation and enhanced safety. With high secondary output capacity and easy installation, these transformers offer dual voltage outputs: 100V for precise voltage measurement and 220V for circuit breaker operation. They are widely applicable to American-style box transformers, various switchgear, and other power distribution systems, providing precision, reliability, and robust performance for demanding environments.

JDZ12-10R Voltage Transformers Type designation

The Key Features and Structure of JDZ12-10R Voltage Transformer

• J: Voltage Transformer for precise measurement and protection.
• D: Single-phase configuration for compact operation.
• Z: Built-in fuse for enhanced safety.
• 12-10: Supports 10kV voltage grade, 10KV, 6KV, 3KV.
• R: Includes residual voltage winding for added functionality.

The JDZ12-10R Voltage Transformer ensures accurate measurement, reliable protection, and compatibility with 10kV power systems.

Service Conditions for JDZ12-10R, JDZ12-6, JDZ12-3 PT

• Ambient Temperature: Operates between -5°C and +40°C, with a daily average temperature not exceeding 35°C.
• Altitude: Suitable for installations up to 2000 meters. For higher altitudes, please provide specific elevation details.
• Relative Humidity: Daily average relative humidity should not exceed 95%, and monthly average should not exceed 90%.

These robust design features ensure reliable performance in diverse environmental and mechanical conditions.

Construction Details of JDZ12-10R, JDZ12-6, JDZ12-3

• Primary Terminal Compatibility: Designed for use with 200A large-diameter elbow connectors, ensuring secure, convenient, and quick primary connections while providing a sealed high-voltage terminal.
• Built-in Fuse Protection: Equipped with dedicated fuses at the primary terminals, eliminating the need for additional space for external fuses and simplifying installation.
• Sealed Secondary Outlets: The secondary outlet is sealed with a cover and secured with lead-sealable screws, making it suitable for outdoor box transformers. This design prevents electrical accidents and deters electricity theft.

Technical Parameters of JDZ12-10R, JDZ12-6, JDZ12-3

• Power Factor: COSΦ = 0.8 (lagging).
• Rated Insulation Level: 12/42/75 kV.
• Insulation Class: Class E, with a temperature rise limit of 75K.
• Rated Voltage Factor: 1.2 times continuous operation.
• Key Technical Parameters: Refer to the table below for detailed specifications.

Type	Rated Voltage Ratio (V)	Accuracy Class and Corresponding Rated Output (VA)				Limit Output (VA)	Rated Insulation Level (kV)
		0.2	0.5	1	6P
JDZ12-10R	10000/100/220	15	30	60	50	500	12/42/75
JDZ12-6R	6000/100/220						7.2/32/60
JDZ12-3R	3000/100/220						3.6/25/40

Customization and Support for JDZ12 Series Voltage Transformers

We provide flexible customization options for the JDZ12 Series Voltage Transformers, including tailored voltage ratios and more. These options are designed to meet specific operational requirements and environmental conditions.

Outline and Dimensions of Installation

JDZ12-10, 6, 3R voltage transformers (PT) Outline and Dimensions of Installation

Principle diaram for JDZ12-10R

Note: This page provides detailed information about the JDZ12 Series Voltage Transformers, including technical specifications, accuracy classes, and insulation levels. To ensure the best transformer for your needs, please provide the following details when placing an order or requesting a customized solution:

1. Type and Voltage Ratio: Specify the model (JDZ12-3R, JDZ12-6R, or JDZ12-10R) and the required voltage ratio.
2. Accuracy Class and Output: Indicate the desired accuracy class (e.g., 0.2, 0.5) and corresponding rated output.
3. Insulation Level and Conditions: Provide the required insulation level (e.g., 12/42/75 kV) and describe environmental conditions (e.g., temperature, humidity).

For tailored solutions or model selection support, contact our expert team today.

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