Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
BESF6-40.5 SF6 Circuit Breaker: 40.5kV 1250A isolating switch integrated unit, 31.5kA breaking capacity, 185kV lightning impulse, modular design, maintenance-free for industrial and utility networks.
Professional BESF6-40.5 SF6 Circuit Breaker: Premium BESF6-40.5 model featuring integrated isolating switch and circuit breaker for 40.5kV 1250A high voltage applications (available in 1250A/1600A/2000A/2500A ratings), delivering exceptional 31.5kA short-circuit breaking capacity with 185kV lightning impulse and 95kV power frequency withstand protection, designed for 35kV transmission and distribution system control in industrial and utility networks.
Modular Maintenance-Free Design: BESF6-40.5 incorporates modular design with compact structure, full insulation, and maintenance-free operation featuring 0.04MPa SF6 gas pressure, 80kA peak withstand current, and 118kV isolation gap withstand voltage, providing superior breaking performance and extended service life for ring main units, substations, industrial facilities, airports, railways, wind power, and commercial districts requiring reliable high-voltage switching solutions.
| BESF6-40.5 SF6 Circuit Breaker Specifications | Value | Unit |
|---|---|---|
| Model Number | BESF6-40.5 | – |
| Brand | Bepto Insulation Systems | – |
| Product Type | SF6 Isolating Circuit Breaker Integrated Unit | – |
| Rated Voltage | 40.5 | kV |
| Rated Current | 1250 / 1600 / 2000 / 2500 | A |
| Rated Frequency | 50 | Hz |
| SF6 Gas Pressure (20°C) | 0.04 | MPa |
| Power Frequency Withstand (Isolation Gap) | 118 | kV |
| Power Frequency Withstand (Phase-to-Phase/Ground) | 95 | kV |
| Lightning Impulse (Isolation Gap) | 215 | kV |
| Lightning Impulse (Phase-to-Phase/Ground) | 185 | kV |
| Rated Short-Circuit Breaking Current | 31.5 | kA |
| Rated Short-Time Withstand Current | 31.5/4 | kA/s |
| Rated Peak Withstand Current | 80 | kA |
| Rated Short-Circuit Making Current | 80 | kA |
| Design Type | Modular, Maintenance-Free | – |
| Application | 35kV Transmission/Distribution, Industrial 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.
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.
