Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
LZZBJ9-35Q Current Transformer 35kV Indoor Medium Voltage CT: 20-2500A primary current, 0.2/0.5/10P10/5P15/5P20 accuracy class, 200×In thermal capacity for 20-100A, 500×In dynamic current, 40.5/95/185kV insulation level, quad winding, 10-40VA burden, 5A/1A secondary, 50/60Hz, GB1208 IEC60044-1, metering & protection.
Advanced LZZBJ9-35Q Current Transformer: Indoor 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 -5°C to +40°C, rated primary current range 20-2500A providing ultra-wide current coverage, quad winding configuration enabling simultaneous high-precision metering and triple protection functions, flexible accuracy class combinations including 0.2/0.5/10P10/10P10 and 0.5(S)/5P15/5P20 with burden capacity 10-40VA, exceptional thermal performance with 200×In (short-time thermal current) for 20-100A range ensuring superior short-circuit withstand capability, 500×In rated dynamic current for 20-100A providing maximum safety margin.
Superior Thermal Capacity and Quad Winding Design: LZZBJ9-35Q features exceptional 200 times rated current thermal capacity for low current range (20-100A) ensuring outstanding short-circuit protection, rated dynamic current up to 500×In for 20-100A range providing maximum safety margin, short-time thermal current 31.5-40kA for higher ranges (150-2500A) with rated dynamic current 80-125kA, quad winding configuration supporting simultaneous high-precision metering and triple protection relay functions, suitable for 35kV switchgear, medium voltage power distribution systems, large capacity substations, industrial power networks, energy management systems, and applications requiring precise current measurement from 20A to 2500A with exceptional thermal withstand capability.
| LZZBJ9-35Q Current Transformer Specifications | Parameter | Unit |
|---|---|---|
| Brand | Bepto Insulation Systems | – |
| Model Number | LZZBJ9-35Q | – |
| Category | Switchgear & HV CT (High Voltage Current Transformer) | – |
| Product Type | 35kV Indoor Single-Phase Epoxy Resin Casting Type Medium Voltage Current Transformer with 20-2500A Range, 200×In Thermal Capacity, 500×In Dynamic Current, Quad Winding Configuration, 0.2/0.5/10P/5P Accuracy Class, 40.5/95/185kV Insulation for Metering & Triple Relay Protection | – |
| Core Technology | Indoor Single-Phase Epoxy Resin Casting Type + 35kV Medium Voltage Design + Exceptional 200×In Thermal Capacity for 20-100A Range + Superior 500×In Dynamic Current for 20-100A Range + Quad 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 -5°C to +40°C + Rated Primary Current Range 20-2500A + Ultra-Wide Current Coverage + Flexible Accuracy Classes (0.2/0.5/10P10/10P10, 0.5(S)/5P15/5P20) + Burden Capacity 10-40VA + Short-Time Thermal Current 31.5-40kA for Higher Ranges + Rated Dynamic Current 80-125kA + Simultaneous High-Precision Metering and Triple Protection Functions + Superior Short-Circuit Withstand Capability + Maximum Safety Margin | – |
| Power (Voltage) | 35kV (35-40kV) | – |
| 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 | 20-2500 | A |
| Ambient Temperature | -5°C to +40°C | °C |
| Structure Type | Indoor Single-Phase Epoxy Resin Casting Type | – |
| Winding Configuration | Quad Winding (Four Windings) | – |
| Voltage Level | Medium Voltage (35kV) | – |
| Installation Type | Indoor | – |
| 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 (Indoor 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 20-100A Range) | – |
| 500×In Dynamic Current | Yes (500×In Dynamic Current for 20-100A Range) | – |
| Quad Winding Configuration | Yes (Four Windings for Metering and Triple Protection) | – |
| 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) | – |
| -5°C to +40°C Ambient | Yes (Ambient Temperature -5°C to +40°C) | – |
| 20-2500A Primary Range | Yes (Rated Primary Current Range 20-2500A) | – |
| Ultra-Wide Current Coverage | Yes (From 20A to 2500A Primary Current) | – |
| 0.2 Accuracy Class | Yes (0.2 Metering Accuracy Class Available) | – |
| 0.2S Accuracy Class | Yes (0.2S Metering Accuracy Class Available) | – |
| 0.5 Accuracy Class | Yes (0.5 Metering Accuracy Class Available) | – |
| 0.5S Accuracy Class | Yes (0.5S Metering Accuracy Class Available) | – |
| 10P10 Protection Class | Yes (10P10 Protection Accuracy Class Available) | – |
| 5P15 Protection Class | Yes (5P15 Protection Accuracy Class Available) | – |
| 5P20 Protection Class | Yes (5P20 Protection Accuracy Class Available) | – |
| 10P20 Protection Class | Yes (10P20 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(S) (VA) | 5P15 (VA) | 10P20 (VA) | Short-time thermal current (kA/s) | Rated dynamic current (kA) |
|---|---|---|---|---|---|---|---|
| 20–100 | 0.2/0.5/10P10/10P10 | 10 | 15 | 15 | 15 | 200 × In | 500 × In |
| 150–200 | 0.2/0.5/10P10/10P10 | 10 | 15 | 15 | 15 | 31.5 | 80 |
| 300–500 | 0.2/0.5/10P10/10P10 | 10 | 15 | 15 | 15 | 31.5 / 2 | 80 |
| 600–1250 | 0.5(S) / 5P15 / 5P20 | 15 | 30 | 15 | 20 | 31.5 / 4 | 80 |
| 1500–2000 | 0.5(S) / 5P15 / 5P20 | 20 | 40 | 20 | 30 | 40 / 4 | 125 |
| 2500 | 0.5(S) / 5P15 / 5P20 | 20 | 40 | 20 | 20 | 40 / 4 | 125 |
| Rated Primary Current (A) | 200×In Thermal Current (kA) | 500×In Dynamic Current (kA) |
|---|---|---|
| 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) | Thermal Duration (s) | Accuracy Classes | Application |
|---|---|---|---|---|---|
| 20-100A | 200×In (4-20kA) | 500×In (10-50kA) | – | 0.2/0.5/10P10/10P10 | Low-medium current with exceptional thermal protection and quad winding |
| 150-200A | 31.5 | 80 | – | 0.2/0.5/10P10/10P10 | Medium current with high-precision metering and quad protection |
| 300-500A | 31.5 | 80 | 2 | 0.2/0.5/10P10/10P10 | Medium-high current with 2s thermal protection and quad protection |
| 600-1250A | 31.5 | 80 | 4 | 0.5(S)/5P15/5P20 | High current with 4s enhanced thermal protection and triple winding |
| 1500-2000A | 40 | 125 | 4 | 0.5(S)/5P15/5P20 | Very high current with 4s enhanced thermal protection and triple winding |
| 2500A | 40 | 125 | 4 | 0.5(S)/5P15/5P20 | Ultra-high current with 4s enhanced thermal protection and triple winding |
| Winding Configuration | Accuracy Classes Combination | Winding Function | Application Scenario | Current Range |
|---|---|---|---|---|
| 0.2/0.5/10P10/10P10 | Metering 1 + Metering 2 + Protection 1 + Protection 2 | Dual metering (high-precision + standard) with dual standard protection | Precise billing and dual relay protection | 20-500A |
| 0.5(S)/5P15/5P20 | Metering + Protection 1 + Protection 2 + Protection 3 | Standard metering with triple 5P protection (5P15 + 5P20) | General metering and triple 5P relay protection | 600-2500A |
| Accuracy Classes Combination | Application Scenario | Typical Current Range |
|---|---|---|
| 0.2/0.5/10P10/10P10 | Dual metering (0.2 high-precision + 0.5 standard) + dual 10P10 protection | 20-500A |
| 0.5(S)/5P15/5P20 | Standard metering (0.5S) + triple 5P protection (5P15 + 5P20) | 600-2500A |
| Thermal Duration | Current Range | Thermal Current | Application |
|---|---|---|---|
| No specified duration | 20-200A | 200×In or 31.5kA | Standard thermal withstand for low-medium current |
| 2 seconds | 300-500A | 31.5kA | Extended thermal withstand for medium-high current |
| 4 seconds | 600-2500A | 31.5-40kA | Enhanced thermal withstand for high-ultra high current |
| Burden Capacity | Accuracy Class | Current Range | Application |
|---|---|---|---|
| 10VA | 0.2(S) | 20-500A | High-precision metering applications |
| 15VA | 0.5(S), 5P15, 10P20 | 20-1250A | Standard metering and protection applications |
| 20VA | 0.5(S), 5P15, 10P20 | 1500-2500A | High current metering and protection applications |
| 30VA | 0.5(S) | 600-1250A | High burden standard metering applications |
| 40VA | 0.5(S) | 1500-2000A | Very high burden standard metering 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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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.
