Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
LZZBJ18-10/185h/4 Current Transformer 10kV Support Type CT: 10-4000A primary current, 0.2S/0.5/10P10/10P15/10P20 accuracy class, 250×In thermal capacity for 50-100A, 625×In dynamic current, 12/42/75kV insulation level, quad winding, vacuum casting, 10-50VA burden, 5A/1A secondary, 50-60Hz, GB1208 IEC60044-1.
Advanced LZZBJ18-10/185h/4 Support Type Current Transformer: Indoor single-phase epoxy resin vacuum casting fully-enclosed support-type CT conforming to GB1208 and IEC60044-1 standards, rated insulation level 12/42/75kV, rated frequency 50Hz or 60Hz, rated secondary current 5A or 1A, ambient temperature -5°C to +40°C, rated primary current range 10-4000A providing ultra-wide current coverage, quad winding configuration enabling simultaneous high-precision metering and triple protection functions, flexible accuracy class combinations including 0.2(S)/10P/10P, 0.5/10P/10P, 0.2(S)/0.5/10P/10P, and 0.2/0.2/0.5/10P with burden capacity 10-50VA, exceptional thermal performance with 250×In (1s thermal current) for 50-100A range ensuring superior short-circuit withstand capability, 625×In rated dynamic current providing maximum safety margin.
Superior Support Type Design and Exceptional Thermal Capacity: LZZBJ18-10/185h/4 features fully-enclosed support-type construction with advanced vacuum casting technology ensuring superior insulation and mechanical strength, exceptional 250 times rated current thermal capacity for 50-100A range ensuring outstanding short-circuit protection, rated dynamic current up to 625×In for 50-100A range providing maximum safety margin, quad winding configuration supporting simultaneous high-precision metering and triple protection relay functions, suitable for 10kV switchgear, power distribution systems, substations, industrial power networks, energy management systems, and applications requiring precise current measurement from 10A to 4000A with exceptional thermal withstand capability and robust support-type construction.
| LZZBJ18-10/185h/4 Current Transformer Specifications | Parameter | Unit |
|---|---|---|
| Brand | Bepto Insulation Systems | – |
| Model Number | LZZBJ18-10/185h/4 | – |
| Category | Switchgear & HV CT (High Voltage Current Transformer) | – |
| Product Type | 10kV Indoor Fully-Enclosed Support Type Epoxy Resin Vacuum Casting Current Transformer with 10-4000A Range, 250×In Thermal Capacity, 625×In Dynamic Current, Quad Winding Configuration, 0.2S/0.5/10P Accuracy Class, 12/42/75kV Insulation for Metering & Triple Relay Protection | – |
| Core Technology | Indoor Fully-Enclosed Support Type + Epoxy Resin Vacuum Casting Technology + 10kV Design + Exceptional 250×In Thermal Capacity for 50-100A Range + Superior 625×In Dynamic Current for 50-100A Range + Quad Winding Configuration (/185h/4 Design) + GB1208 and IEC60044-1 Standards Compliant + Rated Insulation Level 12/42/75kV + Rated Frequency 50Hz or 60Hz + Rated Secondary Current 5A or 1A + Ambient Temperature -5°C to +40°C + Rated Primary Current Range 10-4000A + Ultra-Wide Current Coverage + Flexible Accuracy Classes (0.2(S)/10P/10P, 0.5/10P/10P, 0.2(S)/0.5/10P/10P, 0.2/0.2/0.5/10P) + Burden Capacity 10-50VA + 1s Thermal Current 45-240kA for Higher Ranges + Rated Dynamic Current 100-600kA + Simultaneous High-Precision Metering and Triple Protection Functions + Superior Short-Circuit Withstand Capability + Maximum Safety Margin + Robust Support-Type Construction | – |
| Power (Voltage) | 10kV | – |
| Rated Voltage | 10kV | – |
| Rated Insulation Level | 12/42/75 | kV |
| Rated Frequency | 50Hz or 60Hz | Hz |
| Rated Secondary Current | 5A or 1A | A |
| Rated Primary Current Range | 10-4000 | A |
| Ambient Temperature | -5°C to +40°C | °C |
| Structure Type | Indoor Fully-Enclosed Support Type Epoxy Resin Vacuum Casting | – |
| Winding Configuration | Quad Winding (/185h/4 Design with Four Windings) | – |
| Installation Type | Indoor 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 Vacuum Casting | Yes (Vacuum Casting Fully-Enclosed Support Type) | – |
| 10kV Design | Yes (10kV Rated Voltage) | – |
| Support Type CT | Yes (Fully-Enclosed Support Type Construction) | – |
| 250×In Thermal Capacity | Yes (250×In Thermal Current for 50-100A Range) | – |
| 625×In Dynamic Current | Yes (625×In Dynamic Current for 50-100A Range) | – |
| Quad Winding Configuration | Yes (/185h/4 Design with Four Windings) | – |
| Vacuum Casting Technology | Yes (Advanced Vacuum Casting Process) | – |
| Exceptional Thermal Performance | Yes (Superior Short-Circuit Withstand Capability) | – |
| Maximum Safety Margin | Yes (625×In Dynamic Current for Maximum Safety) | – |
| 50Hz or 60Hz | Yes (Rated Frequency 50Hz or 60Hz) | – |
| 10kV Rated Voltage | Yes (Rated Voltage 10kV) | – |
| GB1208 Compliant | Yes (In Accordance with GB1208 Standard) | – |
| IEC60044-1 Compliant | Yes (In Accordance with IEC60044-1 Standard) | – |
| 12/42/75kV Insulation | Yes (Rated Insulation Level 12/42/75kV) | – |
| 5A or 1A Secondary | Yes (Rated Secondary Current 5A or 1A) | – |
| -5°C to +40°C Ambient | Yes (Ambient Temperature -5°C to +40°C) | – |
| 10-4000A Primary Range | Yes (Rated Primary Current Range 10-4000A) | – |
| Ultra-Wide Current Coverage | Yes (From 10A to 4000A 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) | – |
| 10P15 Protection Class | Yes (10P15 Protection Accuracy Class Available) | – |
| 10P20 Protection Class | Yes (10P20 Protection Accuracy Class Available) | – |
| 10-50VA Burden Capacity | Yes (Burden Capacity 10-50VA) | – |
| Dynamic and Short-Time Withstand Current | |||||||
| Rated primary current (A) | 10–40 | 50–100 | 150–300 | 400–500 | 600–1000 | 1200–1600 | 2000–4000 |
| 1s thermal current (kA) | 200 × In | 250 × In | 45 | 100 | 140 | 170 | 240 |
| Rated dynamic current (kA) | 500 × In | 625 × In | 100 | 250 | 350 | 425 | 600 |
| Combination of Accuracy Classes and Corresponding Secondary Output | ||||||
| Accuracy classes combination | 0.2S | 0.2 | 0.5 | 10P10 | 10P15 | 10P20 |
| Rated Primary Current: 10–200 A | ||||||
| 0.2(S)/10P/10P | 10 | 10 | 15 | 20 | 15 | / |
| 0.5/10P/10P | 10 | 10 | 15 | 20 | 15 | / |
| 0.2(S)/0.5/10P/10P | 10 | 10 | 15 | 15 | / | / |
| 0.2/0.2/0.5/10P | 10 | 10 | 15 | 15 | / | / |
| Rated Primary Current: 300–600 A | ||||||
| 0.2(S)/10P/10P | 10 | 10 | 15 | 30 | 20 | / |
| 0.5/10P/10P | 10 | 10 | 15 | 30 | 20 | / |
| 0.2(S)/0.5/10P/10P | 10 | 10 | 15 | 15 | / | / |
| 0.2/0.2/0.5/10P | 10 | 10 | 15 | 15 | / | / |
| Rated Primary Current: 800–1200 A | ||||||
| 0.2(S)/10P/10P | 10 | 15 | 15 | 30 | 20 | 15 |
| 0.5/10P/10P | 10 | 15 | 15 | 30 | 20 | 15 |
| 0.2(S)/0.5/10P/10P | 10 | 15 | 15 | 20 | 15 | / |
| 0.2/0.2/0.5/10P | 10 | 15 | 15 | 20 | 20 | / |
| Rated Primary Current: 1500–4000 A | ||||||
| 0.2(S)/10P/10P | 10 | 15 | 15 | 50 | 30 | 20 |
| 0.5/10P/10P | 10 | 15 | 15 | 50 | 30 | 20 |
| 0.2(S)/0.5/10P/10P | 10 | 15 | 15 | 20 | 15 | / |
| 0.2/0.2/0.5/10P | 10 | 15 | 15 | 30 | 20 | / |
| Primary Current Range | Thermal Current (kA) | Dynamic Current (kA) | Accuracy Classes | Application |
|---|---|---|---|---|
| 10-40A | 200×In (2-8kA) | 500×In (5-20kA) | 0.2(S)/10P/10P, 0.5/10P/10P, 0.2(S)/0.5/10P/10P, 0.2/0.2/0.5/10P | Very low-low current with exceptional thermal protection and quad winding |
| 50-100A | 250×In (12.5-25kA) | 625×In (31.25-62.5kA) | 0.2(S)/10P/10P, 0.5/10P/10P, 0.2(S)/0.5/10P/10P, 0.2/0.2/0.5/10P | Low-medium current with maximum thermal protection and quad winding |
| 150-300A | 45 | 100 | 0.2(S)/10P/10P, 0.5/10P/10P, 0.2(S)/0.5/10P/10P, 0.2/0.2/0.5/10P | Medium current with quad winding |
| 400-500A | 100 | 250 | 0.2(S)/10P/10P, 0.5/10P/10P, 0.2(S)/0.5/10P/10P, 0.2/0.2/0.5/10P | Medium-high current with quad winding |
| 600-1000A | 140 | 350 | 0.2(S)/10P/10P, 0.5/10P/10P, 0.2(S)/0.5/10P/10P, 0.2/0.2/0.5/10P | High current with quad winding |
| 1200-1600A | 170 | 425 | 0.2(S)/10P/10P, 0.5/10P/10P, 0.2(S)/0.5/10P/10P, 0.2/0.2/0.5/10P | Very high current with quad winding |
| 2000-4000A | 240 | 600 | 0.2(S)/10P/10P, 0.5/10P/10P, 0.2(S)/0.5/10P/10P, 0.2/0.2/0.5/10P | Ultra-high current with maximum capacity and quad winding |
| Winding Configuration | Accuracy Classes Combination | Winding Function | Application Scenario |
|---|---|---|---|
| 0.2(S)/10P/10P | High-precision metering + dual protection (10P) | Precise billing and dual relay protection | High-precision metering with dual 10P protection |
| 0.5/10P/10P | Standard metering + dual protection (10P) | General metering and dual relay protection | Standard metering with dual 10P protection |
| 0.2(S)/0.5/10P/10P | Dual metering (high-precision + standard) + dual protection (10P) | Dual metering and dual relay protection | Flexible metering with dual 10P protection |
| 0.2/0.2/0.5/10P | Triple metering (dual high-precision + standard) + protection | Triple metering and single relay protection | Advanced metering with single 10P protection |
| Burden Capacity Range | Current Range | Typical Accuracy Classes | Application |
|---|---|---|---|
| 10-15VA | 10-600A | 0.2S, 0.2, 0.5, 10P10, 10P15 | Standard metering and protection applications |
| 15-20VA | 300-1200A | 0.2, 0.5, 10P10, 10P15, 10P20 | Medium-high current metering and protection |
| 20-30VA | 800-4000A | 10P10, 10P15, 10P20 | High burden protection applications |
| 30-50VA | 1500-4000A | 10P10, 10P15, 10P20 | Very high burden protection applications |
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.
