Directional Sef - Wattmetric; Reference; Operate And Reset Level; Operate And Reset Time - Siemens 7SR12 Argus Manual

7SR11 & 7SR12 Performance Specification

2.22 Directional SEF - Wattmetric

Reference

2.22.1
Parameter
P Setting
o
I Applied current @ In = 1A
V Applied voltage
θ
Angle
CA 67SEF Char Angle (
f Nominal

Operate and Reset Level

2.22.2
Attribute
P
Operate level
op
Reset level
Variation

Operate and Reset Time

2.22.3
Attribute
Element basic
t
basic
operate time
Repeatability
©2017 Siemens Protection Devices Limited
θ
c)
-10 °C to +55 °C
Value
0.05, 0.10,... 20.0 xInxW
10mA...5A
10V...200V
<87.5deg
0
50/60Hz
Value
, ± 25 % or ± 25mW
100 % P
o
≥ 95 % P
op
≤ 5 %
Value
<50ms
± 1 % or ± 10ms
(Where In = 1A or 5A )
Chapter 3 Page 50 of 56