Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
VCR21-40.5GD Vacuum Circuit Breaker: 40.5kV 1250A indoor VCB, photovoltaic wind power, embedded pole, 10000 cycles, RMU ring main unit, 31.5kA breaking, -25°C to +40°C, frequent operation.
Advanced VCR21-40.5GD Vacuum Circuit Breaker Series: Premium embedded pole indoor AC high voltage vacuum circuit breaker designed for AC 50Hz, rated voltage 40.5kV power systems, breaking load current, overload current and short-circuit current, widely used in wind energy photovoltaic power generation, box-type substations, ring main units (RMU), cable branch boxes, delivering 630-1250A rated current, 20-31.5kA rated short-circuit breaking, 50-80kA peak withstand, 630A/400A single/back-to-back capacitor bank breaking, 10000 mechanical life cycles (circuit breaker), modular design with integrated isolating switch + circuit breaker + earthing switch, obvious isolation break, grounding knife with closing ability.
New Energy and Frequent Operation Ready: VCR21-40.5GD incorporates fixed sealed pole column avoiding outdoor surface pollution, electric spring operating mechanism with remote control capability, three-phase closing asynchronism ≤2ms, 1.6±0.2m/s opening speed, 0.8±0.2m/s closing speed, operating at -25°C to +40°C, 95% daily humidity, providing reliable vacuum circuit breaking solution for photovoltaic, wind power new energy and frequent operation applications, especially suitable for ring network power supply units and terminal transformer control/protection.
| Figure 1 VCR21-40.5GD-630-31.5 (embedded pole) three-in-one vacuum circuit breaker Altitude: 2000 meters |
||||
| No. | Part Code | Name | Qty | Remarks |
| 1 | 5CHR.035.21000 | 35kV Wall-Bushing Type Embedded Pole | 3 pcs | |
| 2 | 35kV | Disconnector | 1 set | |
| 3 | 35kV | Sensor 45PF | 6 pcs | Optional |
| 4 | 35kV | Earthing Switch | 1 set | |
| Figure 2 VCR21-40.5GD-1250-31.5 (embedded pole) three-in-one vacuum circuit breaker
Altitude: 2000 meters |
||||
| No. | Part Code | Name | Qty | Remarks |
| 1 | 5CHR.035.21000 | 35kV Wall-Bushing Type Embedded Pole | 3 pcs | |
| 2 | 35kV | Disconnector | 1 set | |
| 3 | 35kV | Sensor 45PF | 6 pcs | Optional |
| 4 | 35kV | Earthing Switch | 1 set | |
| Figure 3 VCR21-40.5GD-630-31.5 (embedded pole) Five-in-one vacuum circuit breaker
Altitude: 2000 meters |
||||
| No. | Part Code | Name | Qty | Remarks |
| 1 | 5CHR.035.21000 | 35kV Wall-Bushing Type Embedded Pole | 3 pcs | |
| 2 | 35kV | Disconnector | 1 set | |
| 3 | 35kV | Sensor 45PF | 6 pcs | Optional |
| 4 | Current Transformer (CT) | 3 pcs | ||
| 5 | 35kV | Earthing Switch | 1 set | |
| 6 | 35kV | Surge Arrester | 3 pcs | |
| Figure 4 VCR21-40.5GD-1250-31.5 (embedded pole) Five-in-one vacuum circuit breaker
Altitude: 2000 meters |
||||
| No. | Part Code | Name | Qty | Remarks |
| 1 | 5CHR.035.21000 | 35kV Wall-Bushing Type Embedded Pole | 3 pcs | |
| 2 | 35kV | Disconnector | 1 set | |
| 3 | 35kV | Sensor 45PF | 6 pcs | Optional |
| 4 | Current Transformer (CT) | 3 pcs | ||
| 5 | 35kV | Earthing Switch | 1 set | |
| 6 | 35kV | Surge Arrester | 3 pcs | |
| Figure 5 VCR21-40.5GD-630G-31.5 (embedded pole) three-in-one vacuum circuit breaker
Altitude: 3500 meters |
||||
| No. | Part Code | Name | Qty | Remarks |
| 1 | 5CHR.035.21000 | 35kV Wall-Bushing Type Embedded Pole | 3 pcs | |
| 2 | 35kV | Disconnector | 1 set | |
| 3 | 35kV | Sensor 45PF | 6 pcs | Optional |
| 4 | 35kV | Earthing Switch | 1 set | |
| Figure 6 VCR21-40.5GD-1250G-31.5 (embedded pole) 3-in-one vacuum circuit breaker
Altitude: 3500 meters |
||||
| No. | Part Code | Name | Qty | Remarks |
| 1 | 5CHR.035.21000 | 35kV Wall-Bushing Type Embedded Pole | 3 pcs | |
| 2 | 35kV | Disconnector | 1 set | |
| 3 | 35kV | Sensor 45PF | 6 pcs | Optional |
| 4 | 35kV | Earthing Switch | 1 set | |
| Figure 7 VCR21-40.5GD-630G-31.5 (embedded pole) Five-in-one vacuum circuit breaker
Altitude: 3500 meters |
||||
| No. | Part Code | Name | Qty | Remarks |
| 1 | 5CHR.035.21000 | 35kV Wall-Bushing Type Embedded Pole | 3 pcs | |
| 2 | 35kV | Disconnector | 1 set | |
| 3 | 35kV | Sensor 45PF | 6 pcs | Optional |
| 4 | Current Transformer (CT) | 3 pcs | ||
| 5 | 35kV | Earthing Switch | 1 set | |
| 6 | 35kV | Surge Arrester | 3 pcs | |
| Figure 8 VCR21-40.5GD-1250G-31.5 (embedded pole) Five-in-one vacuum circuit breaker
Altitude: 3500 meters |
||||
| No. | Part Code | Name | Qty | Remarks |
| 1 | 5CHR.035.21000 | 35kV Wall-Bushing Type Embedded Pole | 3 pcs | |
| 2 | 35kV | Disconnector | 1 set | |
| 3 | 35kV | Sensor 45PF | 6 pcs | Optional |
| 4 | Current Transformer (CT) | 3 pcs | ||
| 5 | 35kV | Earthing Switch | 1 set | |
| 6 | 35kV | Surge Arrester | 3 pcs | |
| VCR21-40.5GD Vacuum Circuit Breaker Specifications | VCR21-40.5GD | Unit |
|---|---|---|
| Model Number | VCR21-40.5GD | – |
| Alternative Designation | Embedded Pole Indoor AC High Voltage VCB | – |
| Brand | Bepto Insulation Systems | – |
| Product Type | Indoor AC High Voltage Vacuum Circuit Breaker (Embedded Pole) for Photovoltaic and Wind Power | – |
| Core Technology | Modular Design + Fixed Sealed Pole Column + Integrated Isolating Switch/Circuit Breaker/Earthing Switch + Electric Spring Operating Mechanism | – |
| Rated Voltage | 40.5 | kV |
| Rated Frequency | 50 | Hz |
| Rated Current | 630-1250 | A |
| Rated Short-Circuit Breaking Current | 20, 25, 31.5 | kA |
| Rated Short-Time Current | 20, 25, 31.5 | kA |
| Rated Short-Circuit Duration | 4 | s |
| Rated Peak Withstand Current | 50, 63, 80 | kA |
| Rated Short-Circuit Closing Current | 50, 63, 80 | kA |
| Rated Operation Sequence | O-0.3s-CO-180s-C | – |
| Rated Single/Back-to-Back Capacitor Bank Breaking Current | 630/400 | A |
| Rated Short-Circuit Current Breaking Times | 30 | times |
| Mechanical Life (Circuit Breaker) | 10000 | cycles |
| Mechanical Life (Disconnector) | 2000 | cycles |
| Mechanical Life (Earthing Switch) | 2000 | cycles |
| Rated Short-Time Power Frequency Withstand Voltage (1 min, Interphase/Ground) | 95 | kV |
| Rated Short-Time Power Frequency Withstand Voltage (1 min, Vacuum Break) | 118 | kV |
| Rated Lightning Impulse Withstand Voltage (Peak, Interphase/Ground) | 185 | kV |
| Rated Lightning Impulse Withstand Voltage (Peak, Isolation Break) | 215 | kV |
| Power Frequency Withstand Voltage of Secondary Circuit (1 min) | 2 | kV |
| Clearance Between Open Contacts | 18±1 | mm |
| Overtravel | 4±1 | mm |
| Contact Allowed Wear Thickness | 3 | mm |
| Three-Phase Separation/Closing Asynchronism | ≤2 | ms |
| Bounce Time of Contact Closing | ≤5 | ms |
| Average Closing Speed | 0.8±0.2 | m/s |
| Average Opening Speed | 1.6±0.2 | m/s |
| Closing Time (Rated Operating Voltage) | ≤65 | ms |
| Opening Time (Rated Operating Voltage) | ≤45 | ms |
| Circuit Resistance (Including Isolation) | ≤180 | μΩ |
| Energy Storage Motor Rated Voltage (Fluctuation: 85%-110%) | DC110, AC220, DC220 | V |
| Energy Storage Motor Rated Output Power | ≤70 | W |
| Energy Storage Time | ≤15 | s |
| Closing Electromagnet Rated Voltage (85%-110%) | DC110, DC220, AC220 | V |
| Tripping Electromagnet Rated Voltage (85%-110%) | DC110, DC220, AC220 | V |
| Closing Electromagnet Rated Current | 2.4 (DC110), 2.0 (DC220/AC220) | A |
| Tripping Electromagnet Rated Current | 2.2 | A |
| Closing Electromagnet Rated Maximum Output Power | 480 (DC110), 440±3 (DC220/AC220) | W |
| Tripping Electromagnet Rated Maximum Output Power | 440±3 | W |
| Ambient Temperature | -25 to +40 | °C |
| Relative Humidity (Daily Average) | ≤95 | % |
| Relative Humidity (Monthly Average) | ≤90 | % |
| Pollution Resistance | No Corrosion or Combustible Gas | – |
| Vibration Resistance | No Regular and Violent Vibration | – |
| Key Advantages | Photovoltaic Wind Power, Embedded Pole, 10000 Cycles, Modular Design, Integrated 3-in-1, Obvious Isolation Break, Remote Control, Frequent Operation, RMU, New Energy, Large Breaking Capacity, Safe Reliable | – |
| Primary Applications | Wind Energy Photovoltaic Power Generation, Box-Type Substations, Ring Main Units (RMU), Cable Branch Boxes, Terminal Transformer Control/Protection | – |
| Standards Compliance | IEC 62271-100:2021, GB/T 1984, GB/T 11022, GB/T 311.1, GB/T 1985, GB/T 3309, DL/T 593, DL/T 402 | – |
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.
