Siemens Siprotec 4 SIPROTEC 7VU683 HSBT Device – 8xI 8xV, Single Busbars with 2 or 3 CBs

High-speed busbar transfer device (HSBT) ، 8 current and 8 voltage inputs (8xI, 8xV) ، Supports single busbar systems with 2 or 3 circuit breakers ، Fast and reliable busbar switching for substations ، Protection functions for TIE-CB: ، Overcurrent protection ، Ground overcurrent protection ، Overcurrent protection for busbar energization ، Ground overcurrent protection for busbar energization ، Monitoring functions: ، Self-supervision of device ، Oscillographic fault recording ، Monitoring of busbar voltage sequence and circuit ، Communication interfaces: ، PC front port for DIGSI 4 configuration ، System interfaces: IEC 60870-5-103 (redundant), IEC 61850 Ethernet, PROFIBUS-DP, Modbus RTU ، Service interface for DIGSI 4 (modem) ، Time synchronization via IRIG-B / DCF77 ، Ideal for utilities, power plants, and industrial substations ، Compliant with international protection and automation standards