Technical Data - Siemens SIPROTEC 7SJ62 Instruction Manual

Technical Data

7SJ62 Manual
C53000-G1140-C121-1
This chapter provides the technical data of the SIPROTEC
individual functions of the device, including the limiting values that under no circum-
stances may be exceeded. The electrical and functional data are followed by the me-
chanical data, with dimensional drawings of 7SJ62 devices equipped with all options.
10.1 General Device Data
10.2 Definite-Time Overcurrent Protection (50 and 50N Elements)
10.3 Inverse-Time Overcurrent Protection (51 and 51N Elements)
10.4 Directional Time Overcurrent Protection (67 and 67N Elements)
10.5 Dynamic Cold Load Pick-up Function (50c, 50Nc, 51Nc, 67c, 67Nc) 10-19
10.6 Inrush Restraint
10.7 Sensitive Ground Fault Detection (64, 50Ns, 67Ns)
10.8 Negative Sequence Protection (46)
10.9 Motor Starting Protection (48)
10.10 Thermal Overload Protection (49)
10.11 Start Inhibit for Motors (66/68)
10.12 Voltage Protection (27 and 59)
10.13 Frequency Protection (81 Over-Frequency and Under-Frequency)
10.14 Breaker Failure Protection (50BF)
10.15 Automatic Reclosing System (79M)
10.16 Fault Location
10.17 Breaker Control
10.18 Additional Functions
10.19 Dimensions
10
®
4 7SJ62 device and the
10-2
10-11
10-12
10-18
10-19
10-20
10-22
10-27
10-28
10-30
10-31
10-32
10-33
10-34
10-35
10-35
10-36
10-40
10-1