Siemens WL - Page 61

WL Circuit Breaker
WL Selection and Application Guide • 2005
Technical Data for Current Transformers
1/57
Neutral Sensors for Metering, 5A Secondary
ANSI Metering @ 60 Hz
Catalog Number Current Ratio
B-0.1 B-0.2 B-0.5 B-0.9 B-1.8
Relay Accuracy
WLG100NMCT23 100:5 1.2 – – – – C5 0.011 12
WLG150NMCT23 150:5 1.2 – – – – C7 0.019 16
WLG200NMCT23 200:5 1.2 – – – – C9 0.030 18
WLG250NMCT23 250:5 1.2 – – – – C12 0.038 22
WLG300NMCT23 300:5 0.6 0.6 – – – C15 0.045 28
WLG400NMCT23 400:5 0.6 0.6 1.2 – – C20 0.060 36
WLG500NMCT23 500:5 0.6 0.6 1.2 – – C25 0.075 46
WLG600NMCT23 600:5 0.3 0.3 0.6 1.2 1.2 C21 0.178 28
WLG800NMCT23 800:5 0.3 0.3 0.6 0.6 1.2 C29 0.237 36
WLG1000NMCT23 1000:5 0.3 0.3 0.6 0.6 1.2 C35 0.296 46
WLG1200NMCT23 1200:5 0.3 0.3 0.3 0.6 0.6 C20 0.241 70
WLG1500NMCT23 1500:5 0.3 0.3 0.3 0.3 0.6 C25 0.301 88
WLG1600NMCT23 1600:5 0.3 0.3 0.3 0.3 0.6 C27 0.321 94
WLG2000NMCT23 2000:5 0.3 0.3 0.3 0.3 0.3 C34 0.402 100
WLG2500NMCT23 2500:5 0.3 0.3 0.3 0.3 0.3 C20 0.468 100
WLG3000NMCT23 3000:5 0.3 0.3 0.3 0.3 0.3 C21 0.524 100
WLG3200NMCT23 3200:5 0.3 0.3 0.3 0.3 0.3 C24 0.560 100
WLG4000NMCT23 4000:5 0.3 0.3 0.3 0.3 0.3 C20 1.000 150
WLG5000NMCT23 5000:5 0.3 0.3 0.3 0.3 0.3 C20 1.600 150
Frequency: 50 - 400 Hz
Insulation Level:
0.6 kV; BIL 10 kV full wave
Insulation System:
Cast in polyurethane resin, red or black,
Temperature Class 130º C
Continuous Thermal Current Rating Factor:
1.33 @ 30º C ambient; 1.00 @ 55º C ambient
Thermal Short-time Rating:
(see table)
Regulatory Agency Approval:
UL and CUL
Terminals are brass screws No. 10-32
with one flatwasher and lockwasher
Approximate Weight: 7.5 lbs.
Tolerance on Dimension
(unless otherwise noted):
0.06 for dimension under 6"
0.09 for dimension between 6" & 18"
Secondary Winding
Resistance
(ohms @ 75
º
C
Thermal
S/T
kA - 1 sec
+
-
+
-
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