Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
LZZBW-35B(GY) Outdoor Current Transformer 35kV Medium Voltage CT: 20-2000A primary current, 0.2S/0.5/5P20 accuracy class, triple winding configuration, 150×In thermal capacity for 20-100A, 375×In dynamic current, 40.5/95/185kV insulation level, 10-40VA burden, epoxy resin casting, 5A/1A secondary, 50-60Hz, GB1208 IEC60044-1.
Advanced LZZBW-35B(GY) 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 20-2000A providing ultra-wide current coverage, triple winding configuration enabling simultaneous high-precision metering and dual protection functions with accuracy class combinations 0.2S/5P20/5P20 and 0.5/5P20/5P20, burden capacity 10-40VA, exceptional thermal performance with 150×In (short-time thermal current) for 20-100A range ensuring superior short-circuit withstand capability, 375×In rated dynamic current for 20-100A range providing maximum safety margin.
Superior Medium Voltage Design and Exceptional Thermal Capacity: LZZBW-35B(GY) features robust outdoor epoxy resin casting construction ensuring reliable operation in harsh outdoor environments, exceptional 150 times rated current thermal capacity for low current range (20-100A) ensuring outstanding short-circuit protection, rated dynamic current up to 375×In for 20-100A range providing maximum safety margin, triple winding configuration supporting simultaneous high-precision metering and dual 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 20A to 2000A with exceptional thermal withstand capability and robust outdoor medium voltage construction.
| LZZBW-35B(GY) Current Transformer Specifications | Parameter | Unit |
|---|---|---|
| Brand | Bepto Insulation Systems | – |
| Model Number | LZZBW-35B(GY) | – |
| Category | Switchgear & HV CT (High Voltage Current Transformer) | – |
| Product Type | 35kV Outdoor Single-Phase Epoxy Resin Casting Type Medium Voltage Current Transformer with 20-2000A Range, 150×In Thermal Capacity, 375×In Dynamic Current, Triple Winding Configuration, 0.2S/0.5/5P20 Accuracy Class, 40.5/95/185kV Insulation for Metering & Dual Protection | – |
| Core Technology | Outdoor Single-Phase Epoxy Resin Casting Type + 35kV Medium Voltage Design + Exceptional 150×In Thermal Capacity for 20-100A Range + Superior 375×In Dynamic Current for 20-100A Range + Triple 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 20-2000A + Ultra-Wide Current Coverage + Flexible Accuracy Classes (0.2S/5P20/5P20, 0.5/5P20/5P20) + Burden Capacity 10-40VA + Short-Time Thermal Current 31.5-40kA for Higher Ranges + Rated Dynamic Current 80-125kA + Simultaneous High-Precision Metering and Dual 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 | 20-2000 | A |
| Ambient Temperature | -25°C to +40°C | °C |
| Structure Type | Outdoor Single-Phase Epoxy Resin Casting Type | – |
| Winding Configuration | Triple Winding (Three 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) | – |
| 150×In Thermal Capacity | Yes (150×In Thermal Current for 20-100A Range) | – |
| 375×In Dynamic Current | Yes (375×In Dynamic Current for 20-100A Range) | – |
| Triple Winding Configuration | Yes (Three Windings for Metering and Dual Protection) | – |
| Outdoor Construction | Yes (Robust Outdoor Epoxy Resin Construction) | – |
| Exceptional Thermal Performance | Yes (Superior Short-Circuit Withstand Capability) | – |
| Maximum Safety Margin | Yes (375×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) | – |
| 20-2000A Primary Range | Yes (Rated Primary Current Range 20-2000A) | – |
| Ultra-Wide Current Coverage | Yes (From 20A 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) | – |
| 10-40VA Burden Capacity | Yes (Burden Capacity 10-40VA) | – |
| Rated primary current (A) | Accuracy classes combination | 0.2(S) (VA) | 0.5 (VA) | 5P20 (VA) | Short-time thermal current (kA) | Rated dynamic current (kA) |
|---|---|---|---|---|---|---|
| 20–100 | 0.2(S)/5P20/5P20 0.5/5P20/5P20 |
– | – | – | 150 × In | 375 × In |
| 150–200 | 0.2(S)/5P20/5P20 0.5/5P20/5P20 |
10 | 15 | 15 | 31.5 | 80 |
| 300–500 | 0.2(S)/5P20/5P20 0.5/5P20/5P20 |
– | – | – | 31.5 / 2 | 80 |
| 600–1200 | 0.2(S)/5P20/5P20 0.5/5P20/5P20 |
15 | 30 | 20 | 31.5 / 4 | 80 |
| 1500–2000 | 0.2(S)/5P20/5P20 0.5/5P20/5P20 |
20 | 40 | 30 | 40 / 4 | 125 |
| Rated Primary Current (A) | 150×In Thermal Current (kA) | 375×In Dynamic Current (kA) |
|---|---|---|
| 20 | 3 | 7.5 |
| 30 | 4.5 | 11.25 |
| 40 | 6 | 15 |
| 50 | 7.5 | 18.75 |
| 60 | 9 | 22.5 |
| 75 | 11.25 | 28.125 |
| 80 | 12 | 30 |
| 100 | 15 | 37.5 |
| Primary Current Range | Thermal Current (kA) | Dynamic Current (kA) | Accuracy Classes | Burden Capacity | Application |
|---|---|---|---|---|---|
| 20-100A | 150×In (3-15kA) | 375×In (7.5-37.5kA) | 0.2(S)/5P20/5P20, 0.5/5P20/5P20 | – | Low-medium current with exceptional thermal protection and triple winding |
| 150-200A | 31.5 | 80 | 0.2(S)/5P20/5P20, 0.5/5P20/5P20 | 10/15/15VA | Medium current with high thermal protection and triple winding |
| 300-500A | 31.5 / 2 | 80 | 0.2(S)/5P20/5P20, 0.5/5P20/5P20 | – | Medium-high current with balanced protection and triple winding |
| 600-1200A | 31.5 / 4 | 80 | 0.2(S)/5P20/5P20, 0.5/5P20/5P20 | 15/30/20VA | High current with enhanced protection and triple winding |
| 1500-2000A | 40 / 4 | 125 | 0.2(S)/5P20/5P20, 0.5/5P20/5P20 | 20/40/30VA | Very high current with maximum capacity and triple winding |
| Winding Configuration | Accuracy Classes Combination | Winding Function | Application Scenario |
| 0.2(S)/5P20/5P20 | High-precision metering + dual 5P20 protection | Precise billing and dual relay protection | 20-2000A |
| 0.5/5P20/5P20 | Standard metering + dual 5P20 protection | General metering and dual relay protection | 20-2000A |
| Accuracy Class | Application | Current Range Availability | Burden Capacity |
|---|---|---|---|
| 0.2S | High-precision metering, revenue billing, energy measurement | 20-100A, 150-200A, 300-500A, 600-1200A, 1500-2000A | 10-20VA |
| 0.5 | Standard metering, general billing, monitoring | 20-100A, 150-200A, 300-500A, 600-1200A, 1500-2000A | 15-40VA |
| 5P20 | Relay protection, overcurrent protection (dual protection) | 20-100A, 150-200A, 300-500A, 600-1200A, 1500-2000A | 15-30VA |
| Burden Capacity | Accuracy Class | Current Range | Application |
|---|---|---|---|
| 10VA | 0.2S | 150-200A | High-precision metering for medium current |
| 15VA | 0.2S, 0.5, 5P20 | 150-200A, 600-1200A | Comprehensive metering and protection |
| 20VA | 0.2S, 5P20 | 600-1200A, 1500-2000A | High current metering and protection |
| 30VA | 0.5, 5P20 | 600-1200A | Standard metering and protection for high current |
| 40VA | 0.5 | 1500-2000A | Very high current metering applications |
| Current Range | Thermal Current | Dynamic Current | Thermal/Dynamic Ratio | Application Advantage |
|---|---|---|---|---|
| 20-100A | 150×In (3-15kA) | 375×In (7.5-37.5kA) | 2.5:1 | Exceptional thermal capacity for low-medium current range |
| 150-200A | 31.5kA | 80kA | 2.54:1 | High thermal protection for medium current |
| 300-500A | 31.5kA / 2 | 80kA | Variable | Balanced thermal and dynamic protection |
| 600-1200A | 31.5kA / 4 | 80kA | Variable | Enhanced thermal protection for high current |
| 1500-2000A | 40kA / 4 | 125kA | Variable | Maximum thermal capacity for very high current |
| Application Scenario | Typical Current Range | Key Advantage | Typical Installation |
|---|---|---|---|
| 35kV Medium Voltage Switchgear | 20-2000A | Ultra-wide current coverage with triple winding | Indoor/outdoor substations |
| Outdoor Substations | 150-2000A | Robust outdoor construction with exceptional thermal capacity | Transmission and distribution substations |
| Industrial Power Networks | 300-2000A | High thermal withstand capability with dual protection | Heavy industrial facilities |
| Renewable Energy Systems | 20-600A | Exceptional thermal capacity for variable loads | Wind farms, solar farms |
| Power Distribution Systems | 20-1200A | Triple winding metering and dual 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.
