34
Testing the Tripping Transformers
Table 5. Static Trip II and First Generation Tripping
Transformers
Tripping Exciting Maximum
Transformer Rating Voltage RMS Exciting Current
RMS
80:1 33.5 0.25
150:1 67 0.15
200:1 67 0.15
250:1 67 0.15
400:1 67 0.05
600:1 134 0.05
800:1 134 0.03
1000:1 and up 134 0.02
Table 6. Limitrip Sensor Transformers “O” to “Y” (Siqnal)
Terminals
Sensor Exciting Maximum
Transformer Ratio Voltage RMS Exciting Current
RMS
80:1 4.6 0.25
200:1 7.0 0.15
400:1 17.0 0.05
600:1 32.0 0.05
800:1 34.0 0.03
1000:1 and up 34.0 0.02
Table 7. Static Trip II R L. Style Tripping Transformer
Tripping Exciting Maximum
Transformer Rating Voltage RMS Exciting Current
RMS
80:1 30 0.25
150:1 40 0.15
200:1 45 0.15
250:1 50 0.15
400:1 70 0.05
600:1 100 0.05
800:1 100 0.03
1000:1 and up 134 0.02
Table 8. Static Trip III Tripping Transformer
Tripping Exciting Maximum
Transformer Rating Voltage RMS Exciting Current
RMS
150:5 33.5 0.25
200:5 50 0.15
300:5 67 0.10
400:5 67 0.10
600:5 67 0.05
800:5 134 0.03
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