Technical Data
This chapter presents the technical data of SIPROTEC 4 7VK61 device and its individual functions, including the
limit values that must not be exceeded under any circumstances. The electrical and functional data of fully
equipped devices are followed by the mechanical data, with dimensional drawings.
4.1 General 226
4.2 Automatic reclosure function (optional) 235
4.3 Overcurrent protection (optional) 236
4.4 Synchronism and voltage check (optional) 243
4.5 Under and over-voltage protection (optional) 244
4.6 Circuit breaker failure protection (optional) 247
4.7 Monitoring Functions 248
4.8 User-defined Functions (CFC) 250
4.9 Auxiliary Functions 254
4.10 Dimensions 256
4
SIPROTEC 4, 7VK61, Manual 225
C53000-G1176-C159-5, Edition 05.2018
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