nader NDW3 Series Manual page 35

1.5×Ir 2.46 3.94
2×Ir
0.67 1.07
HV
6×Ir
0.01 0.01
7.2×Ir
0.00 0.01
Controller factory setting
Protective features
Overload long-time delay
protection
Short
circuit
short-time
delay
protection
Short circuit instantaneous
Neutral wire protection
Ground protection
Current unbalance
protection
Internal & confidential file
文件编号:NDT2920213
5.90 9.85 14.80 19.70
1.60 2.67 4.01 5.34
0.02 0.03 0.05 0.06
0.01 0.01 0.02 0.03
Setting
current
1.0In
NWK21/NWK31 8I
r
NWK22/NWK32 I -6Ir，I
sd1
10In
100%In
0.5In
OFF
第 35 页 共 149 页
24.60 33.20 44.30 68.90 98.50 147.00 197.00 246.00 295.00 344.00
6.66 8.99 12.00 18.66 26.68 39.81
0.08 0.10 0.14 0.22
0.04 0.05 0.07 0.10
Setting
Remarks
time
60s Thermal memory ON
0.2s Definite time, I2t-OFF
0.2s
-8Ir I Inverse time lag, I
sd2 sd1
- -
- -
3P products usually close this function as a
default, and 4P opens it as a default; clients
0.2s
of 3P products can open the function
according to their requirements
Users can open it as needed
-
文件版本:17
53.35 66.63
0.31 0.46 0.62 0.77
0.15 0.22 0.30 0.37
Constant time lag
sd2
79.90 93.17
0.93 1.08
0.45 0.52