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JDZ-10 Potential Transformer

The JDZ-10 Potential Transformer is an indoor type single-phase epoxy resin cast fully enclosed structure, suitable for 10kV and below power systems. It is a core equipment for voltage measurement, metering, and protection in switchgear, distribution rooms, and substations.
This series features compact size, light weight, excellent insulation performance, high measurement accuracy, and maintenance-free operation. It is widely used in industrial enterprises, commercial buildings, residential communities, and infrastructure distribution facilities.


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Technical Parameters

Parameter	Specification
Rated Voltage	3kV / 6kV / 10kV / 12kV
Rated Frequency	50Hz / 60Hz
Rated Primary Voltage	3kV / 6kV / 10kV / 12kV
Rated Secondary Voltage	100V
Voltage Ratio	3/0.1 / 6/0.1 / 10/0.1 / 12/0.1
Accuracy Class	0.2 / 0.5 / 1.0
Rated Output	10VA ~ 100VA
Limiting Output	200VA ~ 500VA
Rated Insulation Level	12/42/75kV
Insulation Medium	Epoxy Resin Cast
Protection Class	IP20 / IP40
Installation Method	Post Type / Bushing Type

JDZ-10 Series Complete Parameter Table

No.	Rated Voltage (kV)	Voltage Ratio (kV)	Accuracy Class	Rated Output (VA)	Limiting Output (VA)
1	3	3/0.1	0.2	30	200
2	3	3/0.1	0.5	50	300
3	3	3/0.1	1	80	400
4	6	6/0.1	0.2	30	200
5	6	6/0.1	0.5	50	300
6	6	6/0.1	1	80	400
7	10	10/0.1	0.2	30	200
8	10	10/0.1	0.5	50	300
9	10	10/0.1	1	80	400
10	12	12/0.1	0.2	30	200
11	12	12/0.1	0.5	50	300
12	12	12/0.1	1	80	400

Outline Dimension Reference Table

Rated Voltage (kV)	L / Length (mm)	W / Width (mm)	H / Height (mm)	Mounting Hole Distance (mm)	Weight (kg)
3-6	120	100	180	85	5
10	140	110	200	95	7
12	150	120	220	105	9

Accuracy Class & Application

Accuracy Class	Application	Permissible Error
0.2	Energy Metering	Low error, high accuracy, suitable for high-precision billing
0.5	Measurement	Suitable for general measurement
1	Measurement	Suitable for indicating instruments

Applications

Application	Recommended Voltage Level	Recommended Accuracy
10kV Switchgear Metering	10kV	0.2
10kV Switchgear Measurement	10kV	0.5
Distribution Room Incoming Cabinet	10kV	0.2 / 0.5
Industrial Enterprise Distribution	6kV / 10kV	0.5
Commercial Building Distribution	10kV	0.5
Residential Community Distribution	10kV	0.5 / 1.0

Selection Guide

Voltage Level Selection

Select Potential Transformer rated voltage based on system voltage level:

System Voltage (kV)	Recommended Rated Voltage (kV)
3	3
6	6
10	10
12	12

Accuracy Class Selection

Application Requirement	Recommended Accuracy
High-Precision Energy Metering	0.2
General Energy Metering	0.5
Distribution Measurement	0.5 / 1.0

Connection Method Selection

Connection Method	Description
Single-Phase Connection	For single-phase systems or single-phase measurement in three-phase systems
V-V Connection	Two single-phase PTs connected in V-V for line voltage measurement in three-phase systems
Y-Y Connection	Three single-phase PTs connected in Y-Y for phase voltage measurement in three-phase systems

Customization Services

Sline provides comprehensive customization services for JDZ-10 Potential Transformers based on your project requirements:

Customization Option	Description
Voltage Level Customization	3kV / 6kV / 10kV / 12kV / Optional
Accuracy Customization	0.2 / 0.5 / 1.0 / Optional
Rated Output	10VA ~ 100VA / Optional
Protection Class	IP20 / IP40 / Optional
Installation Method	Post Type / Bushing Type

For detailed technical drawings or customized solutions, please contact the Sline technical team. We will provide one-on-one engineer-led service throughout the process.