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.
Eelktroinvest Switchgear is proud of its heritage in the VSI, VTD & 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 magnetic actuator.
The BSR circuit breaker, offers a new lease of life for existing switchgear, with this effective retrofit solution. Employing magnetic actuator technology with vacuum interrupters, 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 Features
- Superior, proven technology with minimal maintenance
- Remove the need for high capacity auxiliary supplies
- No civil works required and existing HV cabling remains undisturbed
- Improvement of Health & Safety by removal of oil
- Considerable life extension of the existing switchgear
- Lower owner costs through virtually no maintenance requirements and increased switchboard life expectancy
- Uses existing design of primary and automatic secondary contacts
- Improved panel interlocking to latest ENA requirements
- In addition to the retrofit of the circuit breaker BRUSH Switchgear can offer a more complete system solution to enhance the control and automation of the distribution network
Ratings
| Rated Values | kV | 12 |
| Normal Rated Currents | A | 630, 1250, 2000 |
| Rated Voltage | kV | 12 |
| Lightning Impulse Withstand Voltage | kVP | 75/95 |
| Short Duration Power Frequency Withstand Voltage | kV | 28 |
| Rated Frequency | Hz | 50 |
| Rated Short-Time Withstand Current | kA | 25 |
| Rated Peak Withstand Current | kA Peak | 62.5 |
| Rated Duration of Short Circuit | Seconds | 3 |
| Making Current (peak) | kA | 62.5 |
| Symmetrical Breaking Current | kA | 25 |
| Rated Short-Time Current | kA | 25 (3 sec) |
| Rated Auxiliary Voltages | V dc | 30, 48/50, 110/125 |
| Minimum opening time/closing time | ms | 33/76 |
| Normal Operations | 10,000 | |
| Weight | Kg | 211 |