Product Overview
The JDZX6-15W voltage transformer is an outdoor epoxy resin cast type measurement device designed for 15kV medium-voltage distribution systems. This single-phase voltage transformer features advanced epoxy resin insulation technology, providing excellent weather resistance and reliable operation in harsh outdoor environments.
The JDZX6-15W delivers precise voltage measurement for protection and metering applications with multiple accuracy classes (0.2, 0.5) and rated outputs (15-50VA) available. The epoxy resin cast construction ensures maintenance-free operation while providing superior insulation performance with 15/17.5/105kV insulation level. Compact design with 28.89kg weight simplifies installation and reduces structural support requirements.
Product Display



Application Position
The JDZX6-15W is installed in outdoor switchgear, substations, and distribution networks where reliable voltage measurement is required. The epoxy resin insulation provides excellent moisture resistance and UV protection for long-term outdoor operation. The single-phase design with primary and secondary windings ensures accurate voltage measurement for protection and metering applications.
Main Applications
- 15kV outdoor distribution networks
- Substations requiring voltage measurement
- Industrial facilities with medium-voltage supply
- Protection relay voltage input
- Power quality monitoring and metering
- Ground fault detection applications
Application Case Studies
Application Scenario 1: Substation Voltage Measurement
Utilities deploy the JDZX6-15W epoxy resin voltage transformer in 15kV substations for protection relay input and energy metering. The single-phase design provides accurate voltage signals, while the epoxy resin insulation ensures reliable operation in outdoor environments without maintenance requirements.
Application Scenario 2: Industrial Medium-Voltage Metering
Industrial facilities with 15kV incoming supply require accurate voltage measurement for power quality monitoring and protection coordination. The JDZX6-15W offers multiple accuracy classes (0.2, 0.5) to meet different measurement requirements, with rated outputs up to 50VA for various burden conditions.
Application Fit
Suitable For
- Outdoor 15kV voltage measurement
- Substations with protection relay requirements
- Industrial facilities with medium-voltage supply
- Power quality monitoring applications
- Ground fault detection systems
- Environments requiring maintenance-free operation
Not Recommended For
- Indoor-only compact switchgear applications
- Current measurement applications (use CT instead)
- High-voltage systems above 15kV (use higher voltage class models)
- Applications requiring oil-immersed design for specific insulation requirements
Installation Conditions
- Installation position: Outdoor switchgear, substations, or distribution points
- Ambient temperature: -20°C to +40°C
- Altitude: ≤ 1000m (standard), higher altitude available on request
- Insulation: Epoxy resin cast
- Frequency: 50Hz or 60Hz
- Grounding: Connect H2 and X3 terminals per local electrical codes
- Maintenance: Minimal maintenance required (epoxy resin design)
Technical Parameters
The JDZX6-15W is an outdoor epoxy resin cast voltage transformer for 15kV systems. Operating temperature -20°C to +40°C, compliant with GB20840.2-2014 and IEC61869-2:2012. Features epoxy resin insulation, single-phase design, and multiple accuracy classes.
VT Data
| Rated Voltage (V) |
Output Voltage (V) |
Accuracy Class |
Rated Capacity (VA) |
Max Output (VA) |
|---|---|---|---|---|
| 15000/√3 | 100/√3 | 0.2 | 15 | 500 |
| 15000/√3 | 100/√3 | 0.5 | 50 |
Insulation Level: 15/17.5/105 kV
Installation
Dimension Reference

| View | Key Dimensions |
Application Note |
|---|---|---|
| Front View | Height 358mm; Width 360mm (inner 282mm) | Top bolt M10 |
| Side View | Height 263mm; Ø189.3mm; Base 200mm | 4-M6 mounting holes, Ground M8 |
| Plan View | Width 240mm; Depth 165mm | Ø12 mounting holes |
Weight: 28.89 kg
Wiring Diagram

Installation Guidelines
- Install in outdoor switchgear or substation with adequate ventilation
- Connect primary terminal H1 to voltage system
- Connect primary terminal H2 to system ground
- Connect secondary terminals X1, X2, X3 to meters and protection devices
- Connect secondary terminal X3 to ground
- Verify voltage ratio matches system requirements before commissioning
- Check insulation resistance before energizing
Epoxy Resin Features
The JDZX6-15W incorporates advanced epoxy resin technology including:
- Excellent moisture resistance for outdoor operation
- UV protection for long-term weather exposure
- Superior insulation performance with 15/17.5/105kV level
- Maintenance-free construction eliminating periodic inspection
Standards
The JDZX6-15W epoxy resin voltage transformer complies with GB20840.2-2014 and IEC61869-2:2012 for voltage transformers, ensuring compatibility with both Chinese and international standards for medium-voltage measurement applications.
Selection Guide
Select by system voltage: JDZX6-15W is designed for 15kV systems with 15/17.5/105kV insulation level.
Select by accuracy class: Use 0.2 for high-precision metering or 0.5 for standard metering.
Select by rated output: Choose rated output (15-50VA) based on connected burden requirements.
Ordering Information
When ordering the JDZX6-15W epoxy resin voltage transformer, please specify:
- Model: JDZX6-15W
- System voltage: 15kV
- Accuracy class: 0.2 or 0.5
- Rated output: 15 or 50 VA
- Frequency: 50Hz or 60Hz
- Installation type: Outdoor
- Quantity
FAQs