이론
electronic overload relay
Type 1
relay EOCR-SP EP 01 N 220
Type 2
electronic overload relay EOCR-SP EP 01 N 220
Type 3
overload relay EOCR-SP EP 01 N 220
Type 4
power relay EOCR-SP EP 01 N 220
Type 5
time relay EOCR-SP EP 01 N 220
Type 6
electronic over-current relay EOCR-SP EP 01 N 220
Type 7
electronic voltage relay EOCR-SP EP 01 N 220
Type 8
monitoring relay EOCR-SP EP 01 N 220
condition
original and new EOCR-SP EP 01 N 220