Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
BE71V-12/630/3 Split Type Circuit Breaker: Solid-insulated 12kV 630A SF6-free RMU core unit, 20kA/25kA breaking, 10,000 operations, ≤120μΩ resistance, three-phase split design, automated.
Advanced BE71V-12/630/3 Split Type Circuit Breaker: Premium BE71V-12/630/3 model featuring three-phase split-type design for SF6-free 12kV 630A/1250A RMU core unit applications, delivering exceptional 20kA/25kA short-circuit breaking capacity with 50kA/63kA peak withstand current and 4s rated duration, utilizing solid insulation technology for eco-friendly operation, featuring ≤120μΩ main circuit resistance and ≥10,000 operations mechanical endurance complying with State Grid standards, with 85kV lightning impulse across vacuum interrupter and 48kV power frequency withstand, designed with IP4X cabinet protection and ≤10pC partial discharge at 1.2Ur.
Automated Distribution Network Ready: BE71V-12/630/3 incorporates electrical operation capability for true distribution network automation, featuring 20kA/25kA internal arc fault test (AFLR Class 0.5s) and 630A rated closed-loop breaking current, designed for SF6-free solid-insulated RMU applications, providing reliable split-type circuit breaking solution for ring main units, substations, industrial facilities, and automated distribution networks requiring environmentally friendly switching with high mechanical endurance.
| BE71V-12/630/3 Split Type Circuit Breaker Specifications | Technical Parameters | Unit |
|---|---|---|
| Model Number | BE71V-12/630/3 | – |
| Brand | Bepto Insulation Systems | – |
| Product Type | Split Type Solid Insulated Circuit Breaker for RMU (SF6-Free) | – |
| Design Type | Three-Phase Split-Type | – |
| Rated Voltage | 12 | kV |
| Rated Current | 630 / 1250 | A |
| Rated Frequency | 50 | Hz |
| Rated Short-Circuit Breaking Current | 20 / 25 | kA |
| Rated Short-Circuit Making Current | 50 / 63 | kA |
| Rated Short-Time Withstand Current | 20 / 25 | kA |
| Rated Peak Withstand Current | 50 / 63 | kA |
| Rated Short-Time Withstand Current Duration | 4 | s |
| Power Frequency Withstand Voltage (Phase-to-Phase/Phase-to-Ground) | 42 | kV |
| Lightning Impulse Withstand Voltage (Phase-to-Phase/Phase-to-Ground) | 75 | kV |
| Power Frequency Withstand Voltage (Vacuum Interrupter/Isolation Gap) | 48 | kV |
| Lightning Impulse Withstand Voltage (Vacuum Interrupter/Isolation Gap) | 85 | kV |
| Power Frequency Withstand Voltage (Control and Auxiliary Circuits) | 2 | kV |
| Rated Closed-Loop Breaking Current | 630 | A |
| Internal Arc Fault Test (AFLR Class) | 20 / 25 kA / 0.5s | – |
| Partial Discharge (at 1.2Ur) | ≤10 | pC |
| Main Circuit Resistance | ≤120 | μΩ |
| Mechanical Endurance (Circuit Breaker) | ≥10,000 | Operations |
| Mechanical Endurance (Disconnector/Grounding Switch) | 3,000 | Operations |
| Ingress Protection (IP) Rating (Cabinet) | IP4X | – |
| Insulation Technology | Solid Insulation (SF6-Free) | – |
| Compliance | State Grid Standards | – |
| Application | SF6-Free Solid Insulated RMU Core Unit, Ring Main Units | – |
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.
