
Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
JDZ20-6/10 Voltage Transformer Indoor Single-Phase Semi-Closed Epoxy Resin Casting PT: 6kV/10kV, fully insulated design, ZW8 outdoor vacuum circuit breaker compatible, 6000/10000V/100V ratio, epoxy resin casting semi-closed construction, 7.2-12/32-42/60-75kV insulation level, compact lightweight design, 50-60Hz, GB1207 IEC60044-2.
Specialized JDZ20 Semi-Closed Fully Insulated Transformer for ZW8 Vacuum Circuit Breakers: Indoor single-phase semi-closed fully insulated epoxy resin casting voltage transformer conforming to GB1207 and IEC60044-2 standards, specifically designed for ZW8 outdoor vacuum circuit breaker applications, rated frequency 50Hz or 60Hz, two voltage levels available (JDZ20-6 6kV, JDZ20-10 10kV), rated insulation levels 7.2/32/60kV and 12/42/75kV respectively, semi-closed fully insulated epoxy resin construction with high-quality cold-rolled silicon steel core, all windings fully cast in epoxy resin providing excellent insulation properties, impact resistance, and mechanical stress protection with moisture-proof capabilities, primary winding terminals A and B with silicone rubber insulated flexible wire leads offering high dielectric strength and convenient connection, secondary winding terminals a and b clearly marked on casting body, compact lightweight design requiring minimal installation space, voltage ratios 6000/100V and 10000/100V for operation power supply and voltage measurement in ZW8 outdoor vacuum circuit breaker systems, suitable for outdoor vacuum circuit breaker installations, pole-mounted distribution systems, and applications requiring fully insulated compact voltage transformers.

| JDZ20-6/10 Voltage Transformer Specifications | Parameter | Unit |
|---|---|---|
| Brand | Bepto Insulation Systems | – |
| Model Number | JDZ20-6/10 Series (JDZ20-6, JDZ20-10) | – |
| Category | Switchgear & HV PT (High Voltage Potential Transformer) | – |
| Product Type | 6kV/10kV Indoor Single-Phase Semi-Closed Fully Insulated Epoxy Resin Casting Voltage Transformer for ZW8 Outdoor Vacuum Circuit Breaker, 7.2-12/32-42/60-75kV Insulation, Compact Lightweight Design for Operation Power Supply and Voltage Measurement | – |
| Core Technology | Indoor Single-Phase Semi-Closed Fully Insulated Epoxy Resin Casting Design + ZW8 Outdoor Vacuum Circuit Breaker Compatible + Dual-Voltage (6kV/10kV) + High-Quality Cold-Rolled Silicon Steel Core + GB1207 and IEC60044-2 Standards Compliant + Rated Insulation Levels (7.2/32/60kV, 12/42/75kV) + Rated Frequency 50Hz or 60Hz + Voltage Ratios (6000/100V, 10000/100V) + All Windings Fully Cast in Epoxy Resin + Excellent Insulation Properties + Impact Resistance + Mechanical Stress Protection + Moisture-Proof Capabilities + Primary Winding Silicone Rubber Insulated Flexible Wire Leads + High Dielectric Strength + Convenient Connection + Compact Lightweight Design + Minimal Installation Space + Proven Epoxy Resin Technology | – |
| Power (Voltage) | 6kV / 10kV | – |
| Rated Voltage (JDZ20-6) | 6 | kV |
| Rated Voltage (JDZ20-10) | 10 | kV |
| Voltage Ratio (JDZ20-6) | 6000/100 | V |
| Voltage Ratio (JDZ20-10) | 10000/100 | V |
| Rated Frequency | 50Hz or 60Hz | Hz |
| Insulation Level (JDZ20-6) | 7.2/32/60 | kV |
| Insulation Level (JDZ20-10) | 12/42/75 | kV |
| Core Material | High-Quality Cold-Rolled Silicon Steel Sheet | – |
| Insulation Material | Epoxy Resin | – |
| Structure Type | Indoor Single-Phase Semi-Closed Fully Insulated Epoxy Resin Casting | – |
| Primary Winding Terminals | A, B (Silicone Rubber Insulated Flexible Wire Leads) | – |
| Secondary Winding Terminals | a, b (Clearly Marked on Casting Body) | – |
| Load Power Factor | cos φ = 0.8 (Lagging) | – |
| Pollution Level | Class II Creepage Distance | – |
| Voltage Level | Medium Voltage (6kV/10kV) | – |
| Installation Type | Indoor | – |
| Phase | Single Phase | – |
| Standards Compliance | GB1207 and IEC60044-2 | – |
| FOB Port | Ningbo/Shanghai | – |
| Terms of Payment | Western Union, T/T, Paypal | – |
| Dual-Voltage 6kV/10kV | Yes (Two Voltage Levels Available) | – |
| Semi-Closed Epoxy Resin Casting | Yes (Semi-Closed Fully Insulated Construction) | – |
| Single-Phase | Yes (Single-Phase Configuration) | – |
| Indoor Construction | Yes (Indoor Installation) | – |
| ZW8 Compatible | Yes (Designed for ZW8 Outdoor Vacuum Circuit Breaker) | – |
| Fully Insulated | Yes (All Windings Fully Cast in Epoxy Resin) | – |
| Compact Lightweight | Yes (Small Volume, Light Weight) | – |
| Minimal Installation Space | Yes (Requires Limited Space) | – |
| Moisture-Proof | Yes (Protects Windings from Moisture) | – |
| Impact Resistance | Yes (Excellent Impact Resistance) | – |
| Mechanical Stress Protection | Yes (Withstands Mechanical Stress) | – |
| High Dielectric Strength | Yes (Silicone Rubber Insulated Wire Leads) | – |
| Convenient Connection | Yes (Flexible Wire Leads for Easy Wiring) | – |
| 50Hz or 60Hz | Yes (Rated Frequency 50Hz or 60Hz) | – |
| GB1207 Compliant | Yes (In Accordance with GB1207 Standard) | – |
| IEC60044-2 Compliant | Yes (In Accordance with IEC60044-2 Standard) | – |
| 7.2-12/32-42/60-75kV Insulation | Yes (Rated Insulation Levels) | – |
| High-Quality Core | Yes (Cold-Rolled Silicon Steel Sheet) | – |
| Clear Terminal Marking | Yes (Terminals Clearly Marked on Casting Body) | – |
| Model Type | Rated Voltage | Voltage Ratio | Insulation Level | Application |
|---|---|---|---|---|
| JDZ20-6 | 6kV | 6000/100V | 7.2/32/60kV | 6kV ZW8 outdoor vacuum circuit breaker operation power supply and voltage measurement |
| JDZ20-10 | 10kV | 10000/100V | 12/42/75kV | 10kV ZW8 outdoor vacuum circuit breaker operation power supply and voltage measurement |
| ZW8 Vacuum Circuit Breaker Compatibility Feature | Description | Benefit |
|---|---|---|
| Specifically Designed for ZW8 | Optimized for ZW8 outdoor vacuum circuit breaker applications | Perfect match for ZW8 system requirements |
| Operation Power Supply | Provides operating power for ZW8 circuit breaker control | Enables remote control and automation |
| Voltage Measurement | Accurate voltage monitoring for ZW8 protection systems | Reliable voltage sensing for protection relays |
| Outdoor Application | Suitable for outdoor pole-mounted ZW8 installations | Withstands outdoor environmental conditions |
| Compact Integration | Small footprint fits within ZW8 enclosure | Space-efficient installation with ZW8 equipment |
| Fully Insulated Design | All windings fully cast in epoxy resin | Enhanced safety for outdoor exposed installations |
| Moisture Protection | Epoxy resin protects against outdoor humidity | Reliable operation in harsh outdoor environments |
| Semi-Closed Fully Insulated Feature | Description | Benefit |
|---|---|---|
| Semi-Closed Construction | Partially enclosed design with full insulation | Optimal balance of protection and ventilation |
| Fully Insulated Windings | All windings completely cast in epoxy resin | Complete electrical insulation and protection |
| Epoxy Resin Casting | High-quality epoxy resin insulation material | Excellent dielectric properties and durability |
| Moisture-Proof | Epoxy resin prevents moisture ingress | Protects windings from humidity and condensation |
| Impact Resistance | Robust epoxy resin construction | Withstands mechanical shocks and vibrations |
| Mechanical Stress Protection | Epoxy resin provides structural support | Protects windings from mechanical stress |
| No Oil Leakage | Solid epoxy resin insulation (no oil) | Environmentally friendly and maintenance-free |
| Compact Design | Small volume and light weight | Minimal installation space required |
| Long Service Life | Epoxy resin does not degrade over time | Extended operational life (30+ years) |
| High-Quality Cold-Rolled Silicon Steel Core Feature | Description | Benefit |
|---|---|---|
| Cold-Rolled Silicon Steel | Premium cold-rolled silicon steel laminations | Low core loss and high efficiency |
| Optimized Lamination | Precision stacked laminations | Reduced eddy current losses |
| High Magnetic Permeability | Superior magnetic properties | Excellent voltage transformation accuracy |
| Low Noise | Optimized core design minimizes vibration | Quiet operation |
| Durable Construction | Robust core assembly | Long-term reliability |
| Silicone Rubber Insulated Flexible Wire Lead Feature | Description | Benefit |
|---|---|---|
| Silicone Rubber Insulation | High-quality silicone rubber insulated wire | Excellent high-temperature resistance |
| High Dielectric Strength | Superior insulation breakdown voltage | Enhanced electrical safety |
| Flexible Wire Leads | Flexible conductor for easy routing | Convenient connection and installation |
| Weather Resistance | Silicone rubber withstands outdoor conditions | Reliable in harsh environments |
| Aging Resistance | Silicone rubber does not degrade easily | Long-term insulation integrity |
| Easy Connection | Flexible leads simplify wiring | Reduced installation time and effort |
| Compact Lightweight Design Feature | Description | Benefit |
|---|---|---|
| Small Volume | Compact physical dimensions | Minimal installation space required |
| Light Weight | Reduced weight compared to traditional designs | Easier handling and installation |
| Space-Efficient | Optimized for limited space applications | Ideal for pole-mounted and compact switchgear |
| Limited Installation Space | Requires minimal mounting area | Suitable for space-constrained installations |
| Easy Mounting | Lightweight construction simplifies mounting | Reduced installation complexity |
| Portable | Easy to transport and handle | Convenient for field installations |
| Clear Terminal Marking Feature | Description | Benefit |
|---|---|---|
| Primary Terminals A, B | Clearly marked primary winding terminals | Easy identification for primary connections |
| Secondary Terminals a, b | Clearly marked secondary winding terminals | Simplified secondary wiring |
| Molded Markings | Terminal markings molded into casting body | Permanent, non-fading identification |
| Easy Identification | Clear labeling prevents wiring errors | Reduced installation mistakes |
| Professional Appearance | Clean, professional terminal marking | Enhanced product quality perception |
| JDZ20-6(6kV) Insulation Level | |||
| Insulation Level | Lightning Impulse Withstand | Power Frequency Withstand | Application Environment |
| 7.2kV | Rated voltage level | Short-duration power frequency | Standard 6kV systems |
| 32kV | Lightning impulse | Medium-duration withstand | Lightning protection requirements |
| 60kV | Full lightning impulse | Full insulation withstand | Maximum insulation protection |
| JDZ20-10(10kV) Insulation Level | |||
| Insulation Level | Lightning Impulse Withstand | Power Frequency Withstand | Application Environment |
| 12kV | Rated voltage level | Short-duration power frequency | Standard 10kV systems |
| 42kV | Lightning impulse | Medium-duration withstand | Lightning protection requirements |
| 75kV | Full lightning impulse | Full insulation withstand | Maximum insulation protection |
| Application Scenario | Recommended Model | Key Advantage | Typical Installation |
|---|---|---|---|
| ZW8 6kV Outdoor Vacuum Circuit Breaker | JDZ20-6 | Specifically designed for ZW8 6kV applications | 6kV pole-mounted ZW8 circuit breaker systems |
| ZW8 10kV Outdoor Vacuum Circuit Breaker | JDZ20-10 | Specifically designed for ZW8 10kV applications | 10kV pole-mounted ZW8 circuit breaker systems |
| Outdoor Pole-Mounted Distribution | JDZ20-6/10 | Fully insulated moisture-proof design for outdoor use | Overhead distribution lines with ZW8 breakers |
| Remote Control Systems | JDZ20-6/10 | Provides operation power for ZW8 remote control | Automated distribution systems |
| Voltage Monitoring | JDZ20-6/10 | Accurate voltage measurement for protection relays | ZW8 protection and monitoring systems |
| Compact Installations | JDZ20-6/10 | Small volume and light weight for limited space | Space-constrained pole-mounted applications |
| Harsh Environments | JDZ20-6/10 | Moisture-proof epoxy resin construction | High-humidity and outdoor exposed locations |
| Feature | JDZ20-6/10 | JDZ10-3/6/10 | JDZ(X)9-3/6/10Q(G) |
|---|---|---|---|
| Structure Type | Semi-closed fully insulated | Fully enclosed | Fully enclosed |
| Primary Application | ZW8 outdoor vacuum circuit breaker | Indoor switchgear | Indoor switchgear |
| Insulation Design | Fully insulated (all windings in epoxy) | Standard epoxy resin casting | Standard epoxy resin casting |
| Wire Leads | Silicone rubber insulated flexible wire | Standard terminals | Standard terminals |
| Outdoor Suitability | Yes (designed for outdoor ZW8) | Indoor only | Indoor only |
| Key Advantage | ZW8 compatibility + fully insulated + flexible leads | RZL compatible + compact design | Phase-to-ground measurement + high output |
| Typical Application | ZW8 outdoor vacuum circuit breaker systems | Indoor switchgear, RZL replacement | Indoor switchgear, ungrounded systems |
Bepto is a leading Chinese company in electrical insulation, focused on developing advanced solutions for future power systems. We support transmission and distribution safety and growth, with long-term partners including State Grid, ABB, Schneider, Siemens, and GE. Our services reach clients in over 22 countries.

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Bepto focuses on the global market and provides our clients with products suitable for the local market:
Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.