7SR210 Settings Guide
Unrestricted ©2018 Siemens Protection Devices Limited Page 13 of 61
Description Range Default
Gn 51N-1 Inrush Action
Selects if the 51N-1 element is blocked from operating when 2nd
Harmonic Inrush Detector operates
Off, Inhibit Off
3.4.3.2. 51N-2
Description Range Default
Gn 51N-2 Element
Selects whether the 51N-2 IDMTL derived Earth Fault element is
enabled
Disabled, Enabled Disabled
Gn 51N-2 Setting
Pickup level
0.05, 0.06 ... 2.49, 2.5 0.5 xIn
Gn 51N-2 Char
Selects characteristic curve to be IEC or ANSI IDMTL or DTL
DTL, IEC-NI, IEC-VI, IEC-EI, IEC-LTI,
ANSI-MI, ANSI-VI, ANSI-EI
IEC-NI
Gn 51N-2 Time Mult (IEC/ANSI)
Time multiplier (applicable to IEC and ANSI curves but not DTL
selection)
0.025, 0.03 ... 1.595, 1.6 , 1.7 ... 4.9, 5,
6 ... 100
1
Gn 51N-2 Delay (DTL)
Delay (applicable only when DTL is selected for characteristic)
0, 0.01 ... 19.99, 20 5 s
Gn 51N-2 Min Operate Time
Minimum operate time of element.
0, 0.01 ... 19.99, 20 0 s
Gn 51N-2 Follower DTL
Additional definite time added after characteristic time
0, 0.01 ... 19.99, 20 0 s
Gn 51N-2 Reset
Selects between an ANSI decaying reset characteristic or a
definite time reset
(ANSI) Decaying, 0 ... 59, 60 0 s
Gn 51N-2 Inrush Action
Selects if the 51N-2 element is blocked from operating when 2nd
Harmonic Inrush Detector operates
Off, Inhibit Off
3.4.3.3. 50N-1
Description Range Default
Gn 50N-1 Element
Selects whether the DTL derived Earth fault element is enabled
Disabled, Enabled Disabled
Gn 50N-1 Setting
Pickup level
0.05, 0.06 ... 49.5, 50 0.5 xIn
Gn 50N-1 Delay
Sets operate delay time
0, 0.01 ... 14300, 14400 0 s
Gn 50N-1 Inrush Action
Selects if the 50N-1 element is blocked from operating when 2nd
Harmonic Inrush Detector operates
Off, Inhibit Off
3.4.3.4. 50N-2
Description Range Default
Gn 50N-2 Element
Selects whether the DTL derived Earth fault element is enabled
Disabled, Enabled Disabled
Gn 50N-2 Setting
Pickup level
0.05, 0.06 ... 49.5, 50 0.5 xIn
Gn 50N-2 Delay
Sets operate delay time
0, 0.01 ... 14300, 14400 0 s
Gn 50N-2 Inrush Action
Selects if the 50N-2 element is blocked from operating when 2nd
Harmonic Inrush Detector operates
Off, Inhibit Off
To Next Page
Loading...
