Circuit Breaker 7SD8071-5BB20-1FA0

Line differential protection Enclosure 1/6 19", 4 x I, 3 x U 5 BI, 8 BQ (2 changeover contacts) 1 live contact Interface copper (2-wire connection, twisted) Measuring inputs: Iph = 1 A / 5 A, Ie = 1 A / 5 A Rated auxiliary power: 60 V/ 110 V / 125 V/ 220 V/ 250 V DC 115 V / 230 V AC Surface mounting enclosure screw terminals Region world, IEC/ANSI English (language can be changed) Front membrane standard System interface port B (device underside, front) IEC60870-5-103 or DIGSI4/modem or time synchronization, electrical RS 485 Without further communication interface for Port A Measurement: fault recording Functionality Line differential protection Inrush current detection Time-overcurrent protection phase I>, I>>,I>>>, Ip Time-overcurrent protection ground In>.In>>,In>>>, Inp Thermal overload protection Trip circuit monitoring Circuit breaker failure protection Closing lockout Circuit breaker intertrip External trip initiation Parameter set switchover Monitoring functions Circuit breaker test Control of circuit breaker Flexible protection functions Undervoltage/overvoltage V Underfrequency/overfrequency F Without additional functions