Features:
1) Suitable for frequency 50/60Hz, rated insulation voltage up to 1,000V, rated
operation current 9-330A under AC-3 duty
2) Mainly used for making breaking electric circuits at a long distance and for frequent
starting/stopping and controlling AC motors
3) Used in combination with thermal relay to compose a magnetic motor starter
4) Complying with the standards of IEC 60947-4-1 and GB 14048.4