Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
LZZB(J)71-35W2 GY Support Type Current Transformer 35kV Outdoor Full-Closed CT: 30-2000A primary current, 0.2S/0.2/0.5/10P10 accuracy class, triple winding configuration, 150×In thermal capacity for 30-100A, 375×In dynamic current, 40.5/95/185kV insulation, 15-50VA burden, resin casting, 5A/1A secondary, 50-60Hz, GB1208 IEC60044-1.
Advanced LZZB(J)71-35W2 GY Support Type Current Transformer: Outdoor single-phase support type full-closed epoxy resin casting insulated 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 30-2000A providing wide current coverage, triple winding configuration enabling simultaneous dual high-precision metering and protection functions, flexible accuracy class combinations including 0.2/0.2, 0.2/0.5, 0.5/0.5, 0.2/10P10, 0.5/10P10, and 0.2S/0.5/10P10 with burden capacity 15-50VA, exceptional thermal performance with 150×In (1s short-time thermal current) for 30-100A range ensuring superior short-circuit withstand capability, 375×In rated dynamic current providing maximum safety margin.
Superior Support Type Full-Closed Design and Exceptional Thermal Capacity: LZZB(J)71-35W2 GY features robust outdoor support type full-closed construction with advanced resin casting insulation technology ensuring superior environmental protection and mechanical strength, exceptional 150 times rated current thermal capacity for 30-100A range ensuring outstanding short-circuit protection, rated dynamic current up to 375×In for 30-100A range providing maximum safety margin, triple winding configuration supporting simultaneous dual metering and 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 30A to 2000A with exceptional thermal withstand capability and robust support type full-closed outdoor construction.
| LZZB(J)71-35W2 GY Current Transformer Specifications | Parameter | Unit |
|---|---|---|
| Brand | Bepto Insulation Systems | – |
| Model Number | LZZB(J)71-35W2 GY | – |
| Category | Switchgear & HV CT (High Voltage Current Transformer) | – |
| Product Type | 35kV Outdoor Single-Phase Support Type Full-Closed Epoxy Resin Casting Insulated Current Transformer with 30-2000A Range, 150×In Thermal Capacity, 375×In Dynamic Current, Triple Winding Configuration, 0.2S/0.2/0.5/10P10 Accuracy Class, 40.5/95/185kV Insulation for Dual Metering & Protection | – |
| Core Technology | Outdoor Single-Phase Support Type Full-Closed Design + Epoxy Resin Casting Insulation Technology + 35kV Medium Voltage Design + Exceptional 150×In Thermal Capacity for 30-100A Range + Superior 375×In Dynamic Current for 30-100A Range + Triple Winding Configuration (W2 Design with Three Windings) + 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 30-2000A + Wide Current Coverage + Flexible Accuracy Classes (0.2/0.2, 0.2/0.5, 0.5/0.5, 0.2/10P10, 0.5/10P10, 0.2S/0.5/10P10) + Burden Capacity 15-50VA + 1s Short-Time Thermal Current 31.5-40kA for Higher Ranges + Rated Dynamic Current 80-100kA + Simultaneous Dual High-Precision Metering and Protection Functions + Superior Short-Circuit Withstand Capability + Maximum Safety Margin + Robust Support Type Full-Closed 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 | 30-2000 | A |
| Ambient Temperature | -25°C to +40°C | °C |
| Structure Type | Outdoor Single-Phase Support Type Full-Closed Epoxy Resin Casting Insulated | – |
| Winding Configuration | Triple Winding (W2 Design with Three Windings) | – |
| Voltage Level | Medium Voltage (35kV) | – |
| Installation Type | Outdoor Support Type | – |
| Phase | Single Phase | – |
| Standards Compliance | GB1208 and IEC60044-1 | – |
| FOB Port | Ningbo/Shanghai | – |
| Terms of Payment | Western Union, T/T, Paypal | – |
| Epoxy Resin Casting Insulation | Yes (Outdoor Support Type Full-Closed Epoxy Resin Casting Insulated) | – |
| 35kV Medium Voltage | Yes (35kV Rated Voltage) | – |
| Support Type Full-Closed | Yes (Support Type Full-Closed Outdoor Construction) | – |
| 150×In Thermal Capacity | Yes (150×In Thermal Current for 30-100A Range) | – |
| 375×In Dynamic Current | Yes (375×In Dynamic Current for 30-100A Range) | – |
| Triple Winding Configuration | Yes (W2 Design with Three Windings) | – |
| Resin Casting Insulation | Yes (Advanced Resin Casting Insulation Technology) | – |
| 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) | – |
| 30-2000A Primary Range | Yes (Rated Primary Current Range 30-2000A) | – |
| Wide Current Coverage | Yes (From 30A to 2000A Primary Current) | – |
| 0.2S Accuracy Class | Yes (0.2S Metering Accuracy Class Available) | – |
| 0.2 Accuracy Class | Yes (0.2 Metering Accuracy Class Available) | – |
| 0.5 Accuracy Class | Yes (0.5 Metering Accuracy Class Available) | – |
| 10P10 Protection Class | Yes (10P10 Protection Accuracy Class Available) | – |
| 15-50VA Burden Capacity | Yes (Burden Capacity 15-50VA) | – |
| Rated primary current (A) | Accuracy classes combination | 0.2S (VA) | 0.2 (VA) | 0.5 (VA) | 10P10 (VA) | 1s short-time thermal current (kA) | Rated dynamic current (kA) |
|---|---|---|---|---|---|---|---|
| 30–100 | 0.2 / 0.2 0.2 / 0.5 0.5 / 0.5 0.2 / 10P10 0.5 / 10P10 0.2S / 0.5 / 10P10 |
15 | 30 | 30 | 50 | 150 Ith / 2 | 375 Ith |
| 150 | same as above | 15 | 30 | 30 | 50 | 31.5 / 1 | 80 |
| 200 | same as above | 15 | 30 | 30 | 50 | 31.5 / 2 | 80 |
| 300–500 | same as above | 15 | 30 | 30 | 50 | 31.5 / 3 | 80 |
| 600–800 | same as above | 15 | 30 | 40 | 50 | 31.5 / 4 | 80 |
| 1000–2000 | same as above | 15 | 30 | 40 | 50 | 40 / 4 | 100 |
| Rated Primary Current (A) | 150×In Thermal Current (kA) | 375×In Dynamic Current (kA) |
|---|---|---|
| 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 | Application |
|---|---|---|---|---|
| 30-100A | 150×In (4.5-15kA) | 375×In (11.25-37.5kA) | 0.2/0.2, 0.2/0.5, 0.5/0.5, 0.2/10P10, 0.5/10P10, 0.2S/0.5/10P10 | Low-medium current with exceptional thermal protection and triple winding |
| 150A | 31.5kA | 80kA | same as above | Medium current with triple winding |
| 200A | 31.5kA | 80kA | same as above | Medium current with triple winding |
| 300-500A | 31.5kA | 80kA | same as above | Medium-high current with triple winding |
| 600-800A | 31.5kA | 80kA | same as above | High current with triple winding |
| 1000-2000A | 40kA | 100kA | same as above | Very high current with maximum capacity and triple winding |
| Winding Configuration | Accuracy Classes Combination | Winding Function | Application Scenario |
|---|---|---|---|
| 0.2/0.2 | Dual high-precision metering (0.2 + 0.2) | Dual precise billing and energy measurement | Dual high-precision metering applications |
| 0.2/0.5 | High-precision metering + standard metering (0.2 + 0.5) | Precise billing and general monitoring | Flexible dual metering applications |
| 0.5/0.5 | Dual standard metering (0.5 + 0.5) | General metering and monitoring | Standard dual metering applications |
| 0.2/10P10 | High-precision metering + protection (0.2 + 10P10) | Precise billing and relay protection | High-precision metering with protection |
| 0.5/10P10 | Standard metering + protection (0.5 + 10P10) | General metering and relay protection | Standard metering with protection |
| 0.2S/0.5/10P10 | Triple function (high-precision metering + standard metering + protection) | Precise billing, monitoring, and relay protection | Comprehensive triple winding applications |
| Accuracy Classes Combination | 0.2S (VA) | 0.2 (VA) | 0.5 (VA) | 10P10 (VA) |
|---|---|---|---|---|
| 0.2/0.2 | 15 | 30 | 30 | 50 |
| 0.2/0.5 | 15 | 30 | 30 | 50 |
| 0.5/0.5 | 15 | 30 | 30 | 50 |
| 0.2/10P10 | 15 | 30 | 30 | 50 |
| 0.5/10P10 | 15 | 30 | 30 | 50 |
| 0.2S/0.5/10P10 | 15 | 30 | 30 | 50 |
| Burden Capacity | Accuracy Class | Current Range | Application |
|---|---|---|---|
| 15VA | 0.2S | 30-2000A | High-precision metering applications |
| 30VA | 0.2, 0.5 | 30-2000A | Dual metering applications |
| 40VA | 0.5 | 600-2000A | High current standard metering applications |
| 50VA | 10P10 | 30-2000A | Protection applications |
| Support Type Full-Closed Feature | Description | Benefit |
|---|---|---|
| Support Type Design | Robust support type construction | Excellent mechanical strength and stability |
| Full-Closed Enclosure | Fully enclosed outdoor design | Superior environmental protection against dust, moisture, and contamination |
| Resin Casting Insulation | Advanced epoxy resin casting insulation | Superior insulation performance and reliability |
| Outdoor Construction | Designed for outdoor installations | Reliable operation in harsh outdoor environments |
| 35kV Medium Voltage | 35kV rated voltage design | Suitable for medium voltage power systems |
| Current Range | Thermal Current | Dynamic Current | Thermal/Dynamic Ratio | Application Advantage |
|---|---|---|---|---|
| 30-100A | 150×In (4.5-15kA) | 375×In (11.25-37.5kA) | 2.5:1 | Exceptional thermal capacity for low-medium current range |
| 150A | 31.5kA | 80kA | 2.54:1 | High thermal protection for medium current |
| 200A | 31.5kA | 80kA | 2.54:1 | High thermal protection for medium current |
| 300-500A | 31.5kA | 80kA | 2.54:1 | Balanced thermal and dynamic protection |
| 600-800A | 31.5kA | 80kA | 2.54:1 | Enhanced thermal protection for high current |
| 1000-2000A | 40kA | 100kA | 2.5:1 | Maximum thermal capacity for very high current |
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.
