7SK8021-5EB20-1HD0

Siemens

Motor protection Enclosure 1/6 19", 4 x I, 7 BI, 8 BO (2 changeover contacts) 1 live contact Measuring inputs: Iph = 1 A/5 A, Ie = 1 A/5 A Rated auxiliary power: 60 V/110 V/125 V/220 V DC, 115 V/230 V AC Installation enclosure Screw terminals Region world, IEC/ANSI English (language can be changed) Front membrane standard System interface port B (device underside, rear) IEC60870-5-103 or DIGSI4/modem, electrical RS 485 Without system interface, Port A Measurement: fault recording Functionality: XMZ+ Overcurrent time sw. XMZ PH (50/51) I>, I>>, I>>>, Ip Ground fault protection XMZ GROUND (50N/51N: Ie>, Ie>>, Ie>>>, Iep Ground fault/Ground short circuit protection Iee>. Iee>>, Ieep Overload protection (49) Trip circuit monitoring (74TC) Circuit breaker failure protection (50BF), Load unbalance protection (46) Lock out (86) Start up time monitoring (48) Undercurrent monitoring (37) Reclosing lockout (66/86) Rotor blocking protection (14) Load step protection (51M) Motor statistics Parameter set switchover Monitoring functions