Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
JLSZY-35 Outdoor Combined Transformer 35kV CT PT Metering Unit: 35kV high voltage, outdoor epoxy resin casting, combined current and voltage transformer, 5-600/5A CT ratio, 35kV/100V PT ratio, 0.2S/0.5 accuracy class, 350VA thermal output, Y/Y connection, energy metering box, anti-tamper, pillar-type structure, 50Hz, GB1208 GB1207 GB17201.
Advanced JLSZY-35 outdoor combined transformer featuring integrated current and voltage transformers for 35kV three-phase power line energy metering, conforming to GB1208, GB1207, and GB17201 standards, outdoor epoxy resin casting pillar-type fully enclosed structure, rated frequency 50Hz, CT ratios 5-600/5A with 0.2S/0.5 accuracy class, PT ratio 35kV/100V (3500/100V) with 0.2/0.5 accuracy class, designed for active and reactive power energy measurement applications.
Superior combined design integrates three single-phase voltage transformers in Y/Y connection plus two current transformers on A and C phases, exceptional 350VA thermal output capacity for PT and adjustable CT taps for different current ratios, outdoor epoxy resin casting provides arc resistance, UV resistance, aging resistance, long life, and maintenance-free operation, metal hose secondary outlet ensures safe reliable wiring with anti-tamper measures, suitable for rural outdoor substations, industrial enterprises, replacing oil-immersed JLS-35 metering boxes.
| JLSZY-35 Outdoor Combined Transformer Specifications | Parameter | Unit |
|---|---|---|
| Brand | Bepto Insulation Systems | – |
| Model Number | JLSZY-35 | – |
| Category | Switchgear & HV PT/CT (High Voltage Potential Transformer / Current Transformer) | – |
| Product Type | 35kV Outdoor High Voltage Combined Current and Voltage Transformer Energy Metering Box with Epoxy Resin Casting, 5-600/5A CT Ratio, 35kV/100V PT Ratio, 0.2S/0.5 Accuracy Class, 350VA Thermal Output, Y/Y Connection for Three-Phase Active and Reactive Power Energy Measurement | – |
| Core Technology | 35kV Outdoor Combined Transformer Design + Integrated CT and PT Metering Unit + Outdoor Epoxy Resin Casting Pillar-Type Fully Enclosed Structure + GB1208, GB1207, and GB17201 Standards Compliant + Rated Frequency 50Hz + CT Ratios 5-600/5A + PT Ratio 35kV/100V (3500/100V) + Accuracy Classes 0.2S/0.5 + Y/Y Connection Configuration + Three Single-Phase PT + Two CT on A and C Phases + Adjustable CT Taps + 350VA Thermal Output + Arc Resistance + UV Resistance + Aging Resistance + Long Life + Maintenance-Free + Anti-Tamper Measures + Metal Hose Secondary Outlet + Four Mounting Holes Base + Proven Combined Transformer Technology | – |
| Power (Voltage) | 35kV | – |
| Installation Type | Outdoor | – |
| Phase | Three Phase | – |
| Product Type Name | Combined Transformer / Energy Metering Box | – |
| Rated Frequency | 50Hz | Hz |
| Rated Voltage (PT) | 35kV (35000V) | V |
| PT Voltage Ratio | 35/0.1 (35000/100V) | kV/kV |
| PT Voltage Ratio (Alternative) | 33/0.1 (33000/100V) | kV/kV |
| PT Secondary Voltage | 100V | V |
| PT Connection Type | Y/Y Connection | – |
| PT Accuracy Classes | 0.2, 0.5 | – |
| PT Rated Secondary Output (0.2 Class) | 30 | VA |
| PT Rated Secondary Output (0.5 Class) | 60 | VA |
| PT Limiting Thermal Output | 350 | VA |
| CT Rated Current Ratio (Range 1) | 5/5 – 75/5 | A |
| CT Rated Current Ratio (Range 2) | 100/5 – 200/5 | A |
| CT Rated Current Ratio (Range 3) | 300/5 | A |
| CT Rated Current Ratio (Range 4) | 400/5 – 600/5 | A |
| CT Secondary Current | 5A | A |
| CT Accuracy Classes | 0.2S, 0.5 | – |
| CT Rated Secondary Output (0.2S Class) | 10 or 15 | VA |
| CT Rated Secondary Output (0.5 Class) | 10 or 15 | VA |
| CT Rated Short-Time Thermal Current (5-75/5) | 100 I1n | kA |
| CT Rated Dynamic Current (5-75/5) | 250 I1n | kA |
| CT Rated Short-Time Thermal Current (100-200/5) | 150 I1n | kA |
| CT Rated Dynamic Current (100-200/5) | 375 I1n | kA |
| CT Rated Short-Time Thermal Current (300/5) | 31.5 | kA |
| CT Rated Dynamic Current (300/5) | 80 | kA |
| CT Rated Short-Time Thermal Current (400-600/5) | 63 | kA |
| CT Rated Dynamic Current (400-600/5) | 130 | kA |
| CT Instrument Security Factor | Fs ≤ 10 | – |
| CT Installation Phases | A and C Phases | – |
| CT Adjustable Taps | Yes (Different Current Ratios) | – |
| Load Power Factor | cos φ = 0.8 (Lagging) | – |
| Pollution Class | Class II | – |
| Ambient Temperature | -30°C to +40°C | °C |
| Daily Average Temperature | ≤ 30°C | °C |
| Altitude | ≤ 4000m | m |
| Insulation Type | Outdoor Epoxy Resin Casting | – |
| Structure Type | Pillar-Type Fully Enclosed | – |
| Voltage Level | High Voltage (35kV) | – |
| Standards Compliance | GB1208, GB1207, GB17201 | – |
| Secondary Outlet | Metal Hose | – |
| Mounting Holes | Four Mounting Holes on Base Channel Steel | – |
| FOB Port | Ningbo/Shanghai | – |
| Terms of Payment | Western Union, T/T, Paypal | – |
| 35kV High Voltage | Yes (35kV Rated Voltage) | – |
| Outdoor Combined Transformer | Yes (Outdoor Combined CT and PT) | – |
| Energy Metering Box | Yes (Electric Energy Metering Box) | – |
| CT PT Metering Unit | Yes (Combined Current and Voltage Transformer Metering Unit) | – |
| Outdoor Epoxy Resin Casting | Yes (Outdoor Epoxy Resin Casting Insulation) | – |
| Pillar-Type Fully Enclosed | Yes (Pillar-Type Fully Enclosed Structure) | – |
| 5-600/5A CT Ratio | Yes (Wide Range of CT Ratios) | – |
| 35kV/100V PT Ratio | Yes (35000/100V PT Ratio) | – |
| 0.2S/0.5 CT Accuracy | Yes (0.2S/0.5 CT Accuracy Class) | – |
| 0.2/0.5 PT Accuracy | Yes (0.2/0.5 PT Accuracy Class) | – |
| 350VA Thermal Output | Yes (350VA PT Limiting Thermal Output) | – |
| Y/Y Connection | Yes (Y/Y Connection Configuration) | – |
| Three Single-Phase PT | Yes (Three Single-Phase Voltage Transformers) | – |
| Two CT on A and C Phases | Yes (Two Current Transformers on A and C Phases) | – |
| Adjustable CT Taps | Yes (CT Secondary Winding with Taps) | – |
| Arc Resistance | Yes (Arc-Resistant Epoxy Resin) | – |
| UV Resistance | Yes (UV-Resistant Construction) | – |
| Aging Resistance | Yes (Aging-Resistant Materials) | – |
| Long Life | Yes (Long Service Life) | – |
| Maintenance-Free | Yes (Maintenance-Free Operation) | – |
| Anti-Tamper Measures | Yes (Anti-Tamper Design) | – |
| Metal Hose Secondary Outlet | Yes (Safe Reliable Wiring) | – |
| 50Hz | Yes (Rated Frequency 50Hz) | – |
| GB1208 Compliant | Yes (In Accordance with GB1208 Current Transformer Standard) | – |
| GB1207 Compliant | Yes (In Accordance with GB1207 Voltage Transformer Standard) | – |
| GB17201 Compliant | Yes (In Accordance with GB17201 Combined Transformer Standard) | – |
| Replaces JLS-35 | Yes (Replaces Oil-Immersed JLS-35 Metering Box) | – |
| CT Current Ratio | Accuracy Class | 0.2S Output (VA) | 0.5 Output (VA) | Short-Time Thermal Current | Dynamic Current | Application |
|---|---|---|---|---|---|---|
| 5/5 – 75/5A | 0.2S, 0.5 | 10 or 15 | 10 or 15 | 100 I1n | 250 I1n | Low current 35kV energy metering (5-75A primary) |
| 100/5 – 200/5A | 0.2S, 0.5 | 10 or 15 | 10 or 15 | 150 I1n | 375 I1n | Medium current 35kV energy metering (100-200A primary) |
| 300/5A | 0.2S, 0.5 | 10 or 15 | 10 or 15 | 31.5kA | 80kA | High current 35kV energy metering (300A primary) |
| 400/5 – 600/5A | 0.2S, 0.5 | 10 or 15 | 10 or 15 | 63kA | 130kA | Very high current 35kV energy metering (400-600A primary) |
| PT Voltage Ratio | Accuracy Class | 0.2 Output (VA) | 0.5 Output (VA) | Limiting Thermal Output (VA) | Application |
|---|---|---|---|---|---|
| 35/0.1 (35kV/100V) | 0.2, 0.5 | 30 | 60 | 350 | 35kV three-phase voltage measurement and energy metering |
| 33/0.1 (33kV/100V) | 0.2, 0.5 | 30 | 60 | 350 | 33kV three-phase voltage measurement and energy metering |
| Combined Transformer Feature | Description | Benefit |
|---|---|---|
| Integrated CT and PT Unit | Combined current and voltage transformers in single metering box | Compact all-in-one solution for 35kV energy metering |
| Energy Metering Box | Complete energy metering box (electric energy metering box) | Turnkey solution for active and reactive power measurement |
| Three Single-Phase PT + Two CT | Three single-phase voltage transformers + two current transformers on A and C phases | Complete three-phase metering configuration |
| Y/Y Connection | Voltage transformers connected in Y/Y configuration | Standard three-phase voltage measurement |
| Adjustable CT Taps | CT secondary winding with taps for different current ratios | Flexible current ratio selection without replacing CT |
| 35kV High Voltage | Designed for 35kV three-phase power lines | Suitable for high voltage distribution systems |
| Active and Reactive Power Measurement | Measures both active and reactive energy | Comprehensive energy metering and billing |
| Outdoor Epoxy Resin Casting | Outdoor epoxy resin casting pillar-type fully enclosed structure | Weather-resistant maintenance-free outdoor operation |
| Arc Resistance | Arc-resistant epoxy resin materials | Protects against arc damage |
| UV Resistance | UV-resistant construction | Long-term reliability under outdoor sun exposure |
| Aging Resistance | Aging-resistant materials | Extended service life |
| Long Life | Long service life design | Reduced replacement costs |
| Maintenance-Free | Maintenance-free operation | Reduced maintenance costs and downtime |
| Anti-Tamper Measures | Anti-tamper design prevents electricity theft | Protects revenue from unauthorized connections |
| Metal Hose Secondary Outlet | Secondary wiring through metal hose | Safe reliable secure wiring |
| Four Mounting Holes Base | Base channel steel with four mounting holes | Easy secure installation |
| Replaces Oil-Immersed JLS-35 | Replaces oil-immersed JLS-35 metering box | Environmentally friendly no oil maintenance |
| 350VA Thermal Output Feature | Description | Benefit |
|---|---|---|
| 350VA PT Limiting Thermal Output | 350VA limiting thermal output for PT secondary winding | High capacity for multiple metering devices and relays |
| High Capacity Metering | Adequate capacity for energy meters, protection relays, and monitoring devices | Supports comprehensive metering and protection systems |
| Thermal Withstand Capability | Thermal limit output ensures reliable operation under overload conditions | Protects transformer during temporary overload situations |
| Multiple Load Support | Can drive numerous metering and monitoring devices | Eliminates need for additional transformers |
| Accuracy Class Feature | Description | Benefit |
|---|---|---|
| 0.2S CT Accuracy Class | 0.2S (Class 0.2S) high-precision CT for revenue metering | Highest accuracy for billing and revenue metering applications |
| 0.5 CT Accuracy Class | 0.5 (Class 0.5) standard CT for general metering | Standard accuracy for energy measurement |
| 0.2 PT Accuracy Class | 0.2 (Class 0.2) high-precision PT for revenue metering | High accuracy voltage measurement for billing |
| 0.5 PT Accuracy Class | 0.5 (Class 0.5) standard PT for general metering | Standard accuracy voltage measurement |
| Combined 0.2S/0.2 Metering | 0.2S CT + 0.2 PT for highest accuracy energy metering | Meets highest accuracy requirements for revenue metering |
| 35kV Outdoor Combined Transformer Application Scenario | Recommended Configuration | Key Advantage | Typical Installation |
|---|---|---|---|
| Rural Outdoor Substations | JLSZY-35 | Complete outdoor metering box + maintenance-free + anti-tamper | Rural 35kV distribution substations |
| Industrial Enterprises | JLSZY-35 | Combined CT PT unit + high accuracy 0.2S/0.5 + 350VA output | Industrial 35kV power distribution |
| Small Transformer Stations | JLSZY-35 | Compact all-in-one metering solution + easy installation | Small 35kV transformer stations |
| 35kV Power Distribution | JLSZY-35 | Active and reactive power measurement + Y/Y connection | 35kV power distribution systems |
| Outdoor Energy Metering | JLSZY-35 | Outdoor epoxy resin casting + UV resistance + long life | Outdoor 35kV metering points |
| Oil-Immersed Replacement | JLSZY-35 | Replaces JLS-35 oil-immersed + environmentally friendly + no oil maintenance | Upgrading from oil-immersed metering boxes |
| Anti-Tamper Applications | JLSZY-35 | Anti-tamper measures + metal hose outlet + secure wiring | Areas requiring electricity theft prevention |
| Wide Current Range Applications | JLSZY-35 (5-600/5A) | Adjustable CT taps + wide current ratio range 5-600A | Applications with varying load currents |
| Feature | JLSZY-35 (Epoxy Resin Casting) | JLS-35 (Oil-Immersed) |
|---|---|---|
| Insulation Type | Outdoor epoxy resin casting | Oil-immersed |
| Maintenance | Maintenance-free | Requires oil maintenance |
| Environmental Impact | Environmentally friendly (no oil) | Oil leakage risk |
| UV Resistance | Yes (UV-resistant epoxy resin) | Limited |
| Arc Resistance | Yes (arc-resistant materials) | Limited |
| Aging Resistance | Yes (aging-resistant materials) | Oil degradation over time |
| Service Life | Long life | Shorter life (oil degradation) |
| Fire Risk | Low (no flammable oil) | Higher (flammable oil) |
| Weight | Lighter (no oil) | Heavier (oil-filled) |
| Installation | Easier (no oil handling) | More complex (oil handling) |
| Key Advantage | Maintenance-free + environmentally friendly + long life | Traditional technology |
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.
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.
