The JSZV18-20RB is a high-performance, resin-insulated voltage transformer designed for medium-voltage applications in power distribution systems. This precision instrument transformer is engineered to provide accurate voltage measurement and reliable protection in 20kV networks.
Product introduction
The JSZV18-20RB is a high-performance, resin-insulated voltage transformer designed for medium-voltage applications in power distribution systems. This precision instrument transformer is engineered to provide accurate voltage measurement and reliable protection in 20kV networks.
Key Specifications
·Rated Voltage:20kV (primary)
·Secondary Output:Standard 100V or 110V
Accuracy Class
·Measurement: 0.2, 0.5
·Protection: 3P or 6P
·Frequency: 50/60Hz
·Insulation: Epoxy resin cast, dry-type
·Installation:Indoor use
Features & Benefits
✔ Exceptional Accuracy
·Delivers precise voltage transformation for metering and protection applications
✔ Robust Construction*
·Epoxy resin encapsulation provides excellent dielectric strength and mechanical protection
✔Maintenance-Free Design
· Sealed construction eliminates need for regular maintenance
✔ Safety Compliance
·Meets IEC 60044-2 and other international standards
✔ Compact Design
·Space-saving form factor ideal for switchgear integration
Typical Applications
·Energy metering in 20kV substations
·Protection systems for medium-voltage networks
·Voltage monitoring in industrial power systems
· Integration with SCADA and automation systems
Environmental Specifications
·Operating Temperature: -25°C to +40°C
·Altitude: Up to 1000m above sea level
·Humidity: 95% maximum (non-condensing)
Product advantage
·Reliable performance in demanding electrical environments
·Long service life with minimal maintenance
·Custom configurations available
Technical data table
| Type | Rated voltage ratio | Accuragy class combination | Rated secodary output(vA) | Secondary heat limit output | ||||||
| 0.2 | 0.5 | 3 | ||||||||
| JSZV18-20RB | 20/0.1 | 0.2(0.5) | 50 | 80 | 3000 | |||||
| 20/0.1/0.1 | 0.2/0.5 | 50 | 50 | |||||||
| 20/0.1/0.22 | 0.5/3 | 80 | 2000 | |||||||
Outline and dimensions of installation
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