Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
LZW-35 Outdoor Current Transformer 35kV Medium Voltage CT: 10-2000A primary current, 0.2S/0.5/5P20 accuracy class, dual winding configuration, 200×In thermal capacity for 10-100A, 500×In dynamic current, 40.5/95/185kV insulation level, 15-30VA burden, epoxy resin casting, 5A/1A secondary, 50-60Hz, GB1208 IEC60044-1.
Advanced LZW-35 Medium Voltage Current Transformer: Outdoor single-phase epoxy resin casting type CT conforming to GB1208 and IEC60044-1 standards, rated insulation level 40.5/95/185kV, rated frequency 50Hz or 60Hz, rated secondary current 5A or 1A, ambient temperature -25°C to +40°C, rated primary current range 10-2000A providing ultra-wide current coverage, dual winding configuration enabling simultaneous high-precision metering (0.2S/0.5 class) and protection (5P20 class) functions with burden capacity 15-30VA, exceptional thermal performance with 200×In (1s short-time thermal current) for 10-100A range ensuring superior short-circuit withstand capability, 500×In rated dynamic current for 10-100A range providing maximum safety margin.
Superior Medium Voltage Design and Exceptional Thermal Capacity: LZW-35 features robust outdoor epoxy resin casting construction ensuring reliable operation in harsh outdoor environments, exceptional 200 times rated current thermal capacity for low current range (10-100A) ensuring outstanding short-circuit protection, rated dynamic current up to 500×In for 10-100A range providing maximum safety margin, dual winding configuration supporting simultaneous high-precision metering and 5P20 protection relay functions, suitable for 35kV medium voltage switchgear, outdoor substations, power distribution systems, industrial power networks, renewable energy systems, and applications requiring precise current measurement from 10A to 2000A with exceptional thermal withstand capability and robust outdoor medium voltage construction.
| LZW-35 Current Transformer Specifications | Parameter | Unit |
|---|---|---|
| Brand | Bepto Insulation Systems | – |
| Model Number | LZW-35 | – |
| Category | Switchgear & HV CT (High Voltage Current Transformer) | – |
| Product Type | 35kV Outdoor Single-Phase Epoxy Resin Casting Type Medium Voltage Current Transformer with 10-2000A Range, 200×In Thermal Capacity, 500×In Dynamic Current, Dual Winding Configuration, 0.2S/0.5/5P20 Accuracy Class, 40.5/95/185kV Insulation for Metering & Protection | – |
| Core Technology | Outdoor Single-Phase Epoxy Resin Casting Type + 35kV Medium Voltage Design + Exceptional 200×In Thermal Capacity for 10-100A Range + Superior 500×In Dynamic Current for 10-100A Range + Dual Winding Configuration + GB1208 and IEC60044-1 Standards Compliant + Rated Insulation Level 40.5/95/185kV + Rated Frequency 50Hz or 60Hz + Rated Secondary Current 5A or 1A + Ambient Temperature -25°C to +40°C + Rated Primary Current Range 10-2000A + Ultra-Wide Current Coverage + Flexible Accuracy Classes (0.2S/0.5/5P20) + Burden Capacity 15-30VA + 1s Short-Time Thermal Current 37.8-140kA for Higher Ranges + Rated Dynamic Current 94.5-200kA + Simultaneous High-Precision Metering and Protection Functions + Superior Short-Circuit Withstand Capability + Maximum Safety Margin + Robust Outdoor Construction | – |
| Power (Voltage) | 35kV | – |
| Rated Voltage | 35kV | – |
| Rated Insulation Level | 40.5/95/185 | kV |
| Rated Frequency | 50Hz or 60Hz | Hz |
| Rated Secondary Current | 5A or 1A | A |
| Rated Primary Current Range | 10-2000 | A |
| Ambient Temperature | -25°C to +40°C | °C |
| Structure Type | Outdoor Single-Phase Epoxy Resin Casting Type | – |
| Winding Configuration | Dual Winding (Two Windings) | – |
| Voltage Level | Medium Voltage (35kV) | – |
| Installation Type | Outdoor | – |
| Phase | Single Phase | – |
| Standards Compliance | GB1208 and IEC60044-1 | – |
| FOB Port | Ningbo/Shanghai | – |
| Terms of Payment | Western Union, T/T, Paypal | – |
| Epoxy Resin Casting | Yes (Outdoor Single-Phase Epoxy Resin Casting Type) | – |
| 35kV Medium Voltage | Yes (35kV Rated Voltage) | – |
| Medium Voltage CT | Yes (Medium Voltage Current Transformer) | – |
| 200×In Thermal Capacity | Yes (200×In Thermal Current for 10-100A Range) | – |
| 500×In Dynamic Current | Yes (500×In Dynamic Current for 10-100A Range) | – |
| Dual Winding Configuration | Yes (Two Windings for Metering and Protection) | – |
| Outdoor Construction | Yes (Robust Outdoor Epoxy Resin Construction) | – |
| Exceptional Thermal Performance | Yes (Superior Short-Circuit Withstand Capability) | – |
| Maximum Safety Margin | Yes (500×In Dynamic Current for Maximum Safety) | – |
| 50Hz or 60Hz | Yes (Rated Frequency 50Hz or 60Hz) | – |
| 35kV Rated Voltage | Yes (Rated Voltage 35kV) | – |
| GB1208 Compliant | Yes (In Accordance with GB1208 Standard) | – |
| IEC60044-1 Compliant | Yes (In Accordance with IEC60044-1 Standard) | – |
| 40.5/95/185kV Insulation | Yes (Rated Insulation Level 40.5/95/185kV) | – |
| 5A or 1A Secondary | Yes (Rated Secondary Current 5A or 1A) | – |
| -25°C to +40°C Ambient | Yes (Ambient Temperature -25°C to +40°C) | – |
| 10-2000A Primary Range | Yes (Rated Primary Current Range 10-2000A) | – |
| Ultra-Wide Current Coverage | Yes (From 10A to 2000A Primary Current) | – |
| 0.2S Accuracy Class | Yes (0.2S Metering Accuracy Class Available) | – |
| 0.5 Accuracy Class | Yes (0.5 Metering Accuracy Class Available) | – |
| 5P20 Protection Class | Yes (5P20 Protection Accuracy Class Available) | – |
| 15-30VA Burden Capacity | Yes (Burden Capacity 15-30VA) | – |
| Rated primary current (A) | Accuracy classes combination | 0.2(S) (VA) | 0.5 (VA) | 5P20 (VA) | 1s short-time thermal current (kA) | Rated dynamic current (kA) |
|---|---|---|---|---|---|---|
| 10–100 | 0.2(S)/5P20 0.5/5P20 |
– | – | – | 200 × In | 500 × In |
| 150–200 | 0.2(S)/5P20 0.5/5P20 |
– | 15 | 15 | 37.8 | 94.5 |
| 300–400 | 0.2(S)/5P20 0.5/5P20 |
15 | – | – | 54 | 110 |
| 500–600 | 0.2(S)/5P20 0.5/5P20 |
– | – | – | 68.4 | 136 |
| 800–1000 | 0.2(S)/5P20 0.5/5P20 |
– | 30 | 20 | 95.5 | 190 |
| 1200–2000 | 0.2(S)/5P20 0.5/5P20 |
– | – | – | 140 | 200 |
| Rated Primary Current (A) | 200×In Thermal Current (kA) | 500×In Dynamic Current (kA) |
|---|---|---|
| 10 | 2 | 5 |
| 20 | 4 | 10 |
| 30 | 6 | 15 |
| 40 | 8 | 20 |
| 50 | 10 | 25 |
| 60 | 12 | 30 |
| 75 | 15 | 37.5 |
| 80 | 16 | 40 |
| 100 | 20 | 50 |
| Primary Current Range | Thermal Current (kA) | Dynamic Current (kA) | Accuracy Classes | Burden Capacity | Application |
|---|---|---|---|---|---|
| 10-100A | 200×In (2-20kA) | 500×In (5-50kA) | 0.2(S)/5P20, 0.5/5P20 | – | Low-medium current with exceptional thermal protection |
| 150-200A | 37.8 | 94.5 | 0.2(S)/5P20, 0.5/5P20 | 15VA | Medium current with high thermal protection |
| 300-400A | 54 | 110 | 0.2(S)/5P20, 0.5/5P20 | 15VA (0.2S) | Medium-high current with high-precision metering |
| 500-600A | 68.4 | 136 | 0.2(S)/5P20, 0.5/5P20 | – | High current with enhanced thermal protection |
| 800-1000A | 95.5 | 190 | 0.2(S)/5P20, 0.5/5P20 | 30VA (0.5), 20VA (5P20) | Very high current with maximum burden capacity |
| 1200-2000A | 140 | 200 | 0.2(S)/5P20, 0.5/5P20 | – | Ultra-high current with maximum thermal protection |
| Winding Configuration | Accuracy Classes Combination | Winding Function | Application Scenario |
| 0.2(S)/5P20 | High-precision metering + 5P20 protection | Precise billing and relay protection | 10-2000A |
| 0.5/5P20 | Standard metering + 5P20 protection | General metering and relay protection | 10-2000A |
| Accuracy Class | Application | Current Range Availability | Burden Capacity |
|---|---|---|---|
| 0.2S | High-precision metering, revenue billing, energy measurement | 10-100A, 150-200A, 300-400A, 500-600A, 800-1000A, 1200-2000A | 15VA (300-400A) |
| 0.5 | Standard metering, general billing, monitoring | 10-100A, 150-200A, 300-400A, 500-600A, 800-1000A, 1200-2000A | 15VA (150-200A), 30VA (800-1000A) |
| 5P20 | Relay protection, overcurrent protection | 10-100A, 150-200A, 300-400A, 500-600A, 800-1000A, 1200-2000A | 15VA (150-200A), 20VA (800-1000A) |
| Burden Capacity | Accuracy Class | Current Range | Application |
|---|---|---|---|
| 15VA | 0.2S | 300-400A | High-precision metering for medium-high current |
| 15VA | 0.5, 5P20 | 150-200A | Standard metering and protection for medium current |
| 20VA | 5P20 | 800-1000A | Protection applications for very high current |
| 30VA | 0.5 | 800-1000A | Standard metering for very high current |
| Current Range | Thermal Current | Dynamic Current | Thermal/Dynamic Ratio | Application Advantage |
|---|---|---|---|---|
| 10-100A | 200×In (2-20kA) | 500×In (5-50kA) | 2.5:1 | Exceptional thermal capacity for low current range |
| 150-200A | 37.8kA | 94.5kA | 2.5:1 | High thermal protection for medium current |
| 300-400A | 54kA | 110kA | 2.04:1 | Balanced thermal and dynamic protection |
| 500-600A | 68.4kA | 136kA | 1.99:1 | Enhanced thermal protection for high current |
| 800-1000A | 95.5kA | 190kA | 1.99:1 | Maximum thermal protection for very high current |
| 1200-2000A | 140kA | 200kA | 1.43:1 | Ultra-high thermal capacity for maximum current |
| Application Scenario | Typical Current Range | Key Advantage | Typical Installation |
|---|---|---|---|
| 35kV Medium Voltage Switchgear | 10-2000A | Ultra-wide current coverage | Indoor/outdoor substations |
| Outdoor Substations | 150-2000A | Robust outdoor construction | Transmission and distribution substations |
| Industrial Power Networks | 300-2000A | High thermal withstand capability | Heavy industrial facilities |
| Renewable Energy Systems | 10-600A | Exceptional thermal capacity for variable loads | Wind farms, solar farms |
| Power Distribution Systems | 10-1000A | Dual winding metering and protection | Urban and rural distribution networks |
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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Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
