
10. Specification :
System
3 Phase 3 Wire / 4 Wire programmable at site
System CT primary values
Std. Values upto 4kA (1 or 5 Amp secondaries)
Inputs
Nominal input voltage
(Three wire and Four wire)
Max continuous input
voltage
Max short duration input
voltage
Nominal input voltage burden
57.7 V to 277V (100V to 480 V )
L-N
L-N
L-L
L-L
120% of Rated Value
2 x Rated Value
(1s application repeated 10 times
at 10s intervals)
0.2VA approx. per phase
Nominal input current
1A OR 5A AC rms
Max continuous input current
120% of Rated Value
Nominal input current burden
0.6VA approx. per phase
Max short duration current input
20 x
(1s application repeated
Rated Value
5 times at 5 min. intervals)
Starting Current
0.4% of Nominal Input Current
55