Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
BESXV-12 Under Isolating Circuit Breaker: SF6-free 12kV 630A switchgear, 20kA/25kA breaking, M2 mechanical C2 capacitive, IP67 sealed, 0.02MPa dry air, DC 220/110/48/24V automated operation.
Advanced BESXV-12 Under Isolating Circuit Breaker: Premium BESXV-12 model featuring under-isolating design for SF6-free 12kV 630A switchgear applications, delivering exceptional 20kA/25kA short-circuit breaking capacity with 50kA/63kA peak withstand current and 3s rated duration, utilizing 0.02MPa dry air filling pressure for eco-friendly insulation, featuring M2 mechanical endurance and C2 capacitive current switching classification, with 85kV lightning impulse across isolating distance and 48kV power frequency withstand, designed with IP67 sealed cabinet protection and IP4X cabinet shell rating.
Automated Distribution Network Ready: BESXV-12 incorporates electrical operation capability with DC 220/110/48/24V closing and opening voltage for true distribution network automation, featuring O-0.3s-CO-180s-CO rated operating sequence and 75kV lightning impulse withstand (phase-to-phase/earth), designed for SF6-free switchgear applications, providing reliable under-isolating circuit breaking solution for substations, industrial facilities, utilities, and automated distribution networks requiring environmentally friendly operation with high breaking capacity and superior mechanical endurance.
| BESXV-12 Under Isolating Circuit Breaker Specifications | Technical Parameters | Unit |
|---|---|---|
| Model Number | BESXV-12 | – |
| Brand | Bepto Insulation Systems | – |
| Product Type | Under Isolating Circuit Breaker for SF6-Free Switchgear | – |
| Rated Voltage | 12 | kV |
| Rated Current | 630 | A |
| Rated Frequency | 50 | Hz |
| Rated Short-Circuit Breaking Current | 20 / 25 | kA |
| Rated Short-Circuit Making Current (Peak) | 50 / 63 | kA |
| Rated Short-Time Withstand Current | 20 / 25 | kA |
| Rated Peak Withstand Current | 50 / 63 | kA |
| Rated Short-Time Withstand Current Duration | 3 | s |
| Rated Short-Time Power-Frequency Withstand Voltage (Phase-to-Phase/Phase-to-Earth) | 42 | kV |
| Rated Lightning Impulse Withstand Voltage (Phase-to-Phase/Phase-to-Earth) Peak | 75 | kV |
| Rated Short-Time Power-Frequency Withstand Voltage (Across Isolating Distance) | 48 | kV |
| Rated Lightning Impulse Withstand Voltage (Across Isolating Distance) Peak | 85 | kV |
| Closing Operating Voltage | DC 220 / 110 / 48 / 24 | V |
| Opening Operating Voltage | DC 220 / 110 / 48 / 24 | V |
| Classification Class Based on Mechanical Endurance | M2 | – |
| Classification Class Based on Capability to Switch Capacitive Currents | C2 | – |
| Rated Dry Air Filling Pressure (Gauge Pressure at 20°C) | 0.02 | MPa |
| Ingress Protection (IP) of Cabinet Shell | IP4X | – |
| Ingress Protection (IP) of Sealed Cabinet | IP67 | – |
| Rated Operating Sequence | O-0.3s-CO-180s-CO | – |
| Operation Type | Electrical (Automated) | – |
| Insulation Technology | Dry Air Insulation (SF6-Free) | – |
| Application | SF6-Free Switchgear, Substations, Automated Networks | – |
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.
