AC Switchgear (Indoor)
BSR Retrofit
An OEM designed retrofit circuit breaker for both the BRUSH Switchgear VSI range of oil circuit breakers and the VMV vacuum circuit breaker, to IEC 62271-100.
Overview
The BSR is an OEM designed retrofit circuit breaker for both the BRUSH Switchgear VSI range of oil circuit breakers and the VMV vacuum circuit breaker, to IEC 62271-100.
BRUSH Switchgear is proud of its heritage in the VSI, VTD and VMV range of switchgear, which continue to work at the highest standards today. Technological advances have allowed us to improve further and offer our customers a circuit breaker that boasts the award-winning magnetic actuator technology with vacuum interrupters.
The BSR circuit breaker offers a new lease of life to existing switchgear with this effective retrofit solution. The BSR is designed for 10,000 operations and a life expectancy of 30 years. It is designed for retrofitting into existing switchboards without the need for panel modification.
Key benefits
Resources
BRUSH Switchgear BSR Datasheet
ENGINEERING FOCUS
Upgrading obsolete designs to modern standards
Retrofit solutions for:
1: VSI/VTD circuit breaker (designed in 1963)
2: VMV circuit breaker (designed in 1990)
Technical specifications
| Property | Rating |
|---|---|
| Rated Normal Current | 630A/1250A/2000A |
| Rated Voltage | 12kV |
| Lightning Impulse Withstand Voltage | 75/95kVP |
| Short Duration Power Frequency Withstand Voltage | 28kV |
| Rated Frequency | 50Hz |
| Rated Short-Time Withstand Current | 25kA for 3 secs |
| Rated Peak Withstand Current | 62.5kA Peak |
| Making Current (peak) | 62.5kA |
| Symmetrical Breaking Current | 25kA |
| Rated Short-Time Current | 25kA (3 sec) |
| Rated Auxiliary Voltages | 30, 48/50, 110/125 V dc |
| Minimum opening time/closing time | 33/76ms |
| Normal Operations | 10,000 |
| Weight | 211Kg |
Applications
Switchgear services
From initial system analysis, to design, engineering, supply, installation, commissioning and upgrades of equipment through to repurposing or decommissioning. We provide lifecycle management and support.