Product Overview
The JDZX16-35R/260 voltage transformer is an indoor epoxy resin cast single-phase measurement device designed for 35kV medium-voltage distribution systems. This advanced voltage transformer features epoxy resin cast insulation technology with integrated load-break elbow connector and fuse protection, providing excellent dielectric strength and enhanced system safety for reliable performance in indoor environments.
The JDZX16-35R/260 delivers precise voltage measurement for energy metering, voltage monitoring, and relay protection applications with multiple accuracy classes (0.2, 0.5, 1.0, 6P/3P) and flexible winding configurations (three-winding or four-winding). The built-in load-break elbow connector enables safe disconnection under load conditions, while the integrated fuse (Φ25×420mm, 0.5A) provides reliable short-circuit protection for secondary circuits. The epoxy resin cast construction ensures superior insulation performance while providing 600VA thermal limit output capacity. Compact design with 63.5kg weight simplifies installation and reduces structural support requirements.
Product Display
Application Position
The JDZX16-35R/260 is installed in indoor switchgear, substations, and distribution networks where reliable single-phase voltage measurement with load-break capability and fuse protection is required. The epoxy resin insulation provides excellent moisture resistance and UV protection for long-term indoor operation. Integrated load-break elbow connector and fuse protection ensure enhanced system safety and equipment protection against short-circuit faults.
Main Applications
- 35kV indoor distribution networks
- Substations requiring voltage measurement with load-break capability
- Industrial facilities with medium-voltage supply
- Energy metering applications
- Voltage monitoring and relay protection
- Indoor power distribution systems
Application Case Studies
Application Scenario 1: Substation Voltage Measurement with Load-break Capability
Utilities deploy the JDZX16-35R/260 epoxy resin voltage transformer in 35kV indoor substations for energy metering and relay protection. The load-break elbow connector enables safe disconnection under load conditions without requiring external switching equipment, while the built-in fuse provides reliable short-circuit protection for secondary circuits. The epoxy resin insulation ensures reliable performance in indoor environments with 40.5/95/200kV insulation level and maintenance-free operation.
Application Scenario 2: Industrial Medium-Voltage Metering
Industrial facilities with 35kV incoming supply require accurate voltage measurement for energy management and protection coordination. The JDZX16-35R/260 offers multiple accuracy classes (0.2, 0.5, 1.0) to meet different measurement requirements, with flexible winding configurations (three-winding or four-winding) providing enhanced system flexibility and 600VA thermal limit output capacity for various burden conditions.
Application Fit
Suitable For
- Indoor 35kV voltage measurement
- Substations requiring load-break capability
- Industrial facilities with medium-voltage supply
- Voltage monitoring applications
- Relay protection systems
- Environments requiring maintenance-free operation
Not Recommended For
- Outdoor installation applications (use outdoor-rated models)
- Current measurement applications (use CT instead)
- High-voltage systems above 40.5kV (use higher voltage class models)
- Applications requiring three-phase measurement in single unit
Installation Conditions
- Installation position: Indoor switchgear, substations, or distribution points
- Ambient temperature: -5°C to +50°C
- Altitude: ≤ 1000m (standard), higher altitude available on request
- Insulation: Epoxy resin cast
- Frequency: 50Hz or 60Hz
- Connection: Single-phase with load-break elbow connector and built-in fuse
- Maintenance: Minimal maintenance required (epoxy resin design)
Technical Parameters
The JDZX16-35R/260 is an indoor epoxy resin cast single-phase voltage transformer with load-break elbow connector and fuse for 35kV systems. Operating temperature -5°C to +50°C, compliant with GB20840.3-2013 and IEC61869-3:2011 standards.
VT Data – Three-Winding (Y/△)
| Rated Voltage (kV) |
Accuracy Class & Rated Output (VA) |
Thermal Limit Output (VA) |
Insulation Level (kV) |
|---|---|---|---|
| 35/√3 : 0.1/√3 : 0.1/3 | 0.2/6P(3P): 45/100 0.5/6P(3P): 100/100 1.0/6P(3P): 200/100 |
600 | 40.5/95/200 |
VT Data – Four-Winding (Y/Y/△)
| Rated Voltage (kV) |
Accuracy Class & Rated Output (VA) |
Thermal Limit Output (VA) |
Insulation Level (kV) |
|---|---|---|---|
| 35/√3 : 0.1/√3 : 0.1/√3 : 0.1/3 | 0.2/0.2/6P(3P): 20/20/100 0.2/0.5/6P(3P): 20/30/100 0.5/0.5/6P(3P): 40/40/100 |
600 | 40.5/95/200 |
Installation
Dimension Reference
| View | Key Dimensions |
Application Note |
|---|---|---|
| Side View | Total length 535mm; Base 230mm and 170mm | Elbow connector extends to left, M8 grounding, M10 lifting ring |
| Front View | Height 413mm; Width 260mm | Built-in fuse tube Φ25×420mm 0.5A, nameplate |
| Top View | Total length 620±3mm; Width 340mm | Layout from above showing elbow connector and body |
Weight: Approximately 63.5kg
Wiring Diagram
Installation Guidelines
- Install in indoor switchgear or substation with adequate ventilation
- Connect load-break elbow connector to voltage system
- Connect secondary terminals to meters and protection devices
- Ensure proper grounding of secondary circuit
- Verify voltage ratio matches system requirements before commissioning
- Check insulation resistance before energizing
- Verify fuse rating matches protection requirements
Load-break Elbow Connector Features
The JDZX16-35R/260 incorporates advanced load-break elbow connector technology including:
- Safe disconnection under load conditions without external switching
- Reliable connection and disconnection operations
- Enhanced system safety and operational flexibility
- Compatible with standard elbow connectors
Fuse Protection Features
The JDZX16-35R/260 incorporates advanced fuse protection technology including:
- Built-in fuse tube (Φ25×420mm, 0.5A)
- Reliable short-circuit protection for secondary circuits
- Enhanced system safety and equipment protection
- Easy fuse replacement and maintenance
Epoxy Resin Features
The JDZX16-35R/260 incorporates advanced epoxy resin technology including:
- Excellent moisture resistance for indoor operation
- UV protection for long-term performance
- Superior insulation performance with 40.5/95/200kV level
- Maintenance-free construction eliminating periodic inspection
Standards
The JDZX16-35R/260 epoxy resin voltage transformer complies with GB20840.3-2013 and IEC61869-3:2011 for voltage transformers, ensuring compatibility with Chinese and international standards for medium-voltage measurement applications.
Selection Guide
Select by system voltage: JDZX16-35R/260 is designed for 35kV systems with 40.5/95/200kV insulation level.
Select by winding configuration: Choose three-winding (Y/△) for basic applications or four-winding (Y/Y/△) for enhanced system flexibility.
Select by accuracy class: Use 0.2 for high-precision metering, 0.5 for standard metering, or 1.0 for general measurement.
Select by rated output: Choose rated output (45-200VA) based on connected burden requirements.
Ordering Information
When ordering the JDZX16-35R/260 epoxy resin voltage transformer, please specify:
- Model: JDZX16-35R/260
- System voltage: 35kV
- Winding configuration: Three-winding (Y/△) or four-winding (Y/Y/△)
- Accuracy class: 0.2, 0.5, 1.0, or 6P(3P)
- Rated output: Specify VA value from table
- Frequency: 50Hz or 60Hz
- Installation type: Indoor
- Fuse rating: 0.5A
- Quantity
FAQs