SIPROTEC 4 7SJ63 Multifunctional protection device with bay control option
Series :
SIPROTEC 4
Manufacturer :
Siemens
EAN Code (Barcode) :
not indicated
Digital inputs (max) :
33
Relay outputs (max) :
14
CT inputs (max) :
4
VT inputs (max) :
3
Protection functions ANSI
[50/51] - Three-phase overcurrent
[50N/51N] - Overcurrent protection for LP current
[67] - Directional MTZ
[67N] - Directional overcurrent from ZNZ calculated by 3TT
[59N] - Overvoltage protection LP
[87N] - Differential protection, high impedance against earth fault
[50BF] - ROV
[79] - AR
[46] - MTZOP
[47] - OP voltage overvoltage protection
[49RMS] - Thermal Protection
[48] - Delayed Start / Locked Rotor
[14] - Underspeed Protections
[66] - Motor Start Limit
[37] - Phase undercurrent protection
[38] - Bearing protector
[27] - Undervoltage protection
[81O/U] - Over/under frequency protection
[21FL] - Fault location