The Siemens SIPROTEC 5 7VK87 breaker management relay handles the control and supervision tasks around a circuit breaker, such as reclosing, synchronism checking and breaker failure, separately from the main line protection.
SIPROTEC 5 models
- 7VK87 – modular breaker management device for single- and three-pole operation
Key functions
- Auto-reclosing (79), single- and three-pole
- Synchrocheck (25)
- Circuit-breaker failure protection (50BF)
- Breaker supervision and control
- IEC 61850 communication and event recording
Typical applications
Breaker-and-a-half and double-busbar substations, transmission bays where reclosing and breaker failure are kept separate from main protection, and substation retrofits.
Why buy through Cynomatic
- Local Calgary support for selection, configuration (DIGSI 5) and ordering
- Help matching the right I/O, CT/VT and communication options to your project specification
- Supply for utilities, oil & gas, water and industrial projects across Western Canada
Need a quote or help choosing a configuration? Contact our team or email info@cynomatic.com. See the full SIPROTEC 5 protection relay range.