Technical Data

Rated Frequency : 50Hz or 60Hz
Rated Secondary current : 5A or 1A ;
Rated Short-time thermal current : 40kA, 2s ;
Rated Continuous thermal current : 120%In ;
Continuous Power-frequency voltage 3kV, 1min ;
Standards : IEC 185:1987, GB1208-2006(China), DL/T 725-2000(China) ;
P2 primary pole, S1 and S2 secondary poes. P2 and S2 are homonymy poles (subtractive polarity).

Use Condition
Ambient Temperature : -35℃~+55℃
Average Temperature of day : ≦40℃
Altitude : ≦3000m
Air Condition : No serious dirtiness in the air.