3UA Thermal Overload Relay 1.protects the 3TB,3TF type contactors 2, ... /day 3.CE,CB,ISO9001,14001,IEC 3UA JRS2 Electrical Thermal Relay1. Model:3UA2. Standard:IEC60947-43. Function:against overload and ... .6~2.52~3.22.5~43.2~54~6.35~86.3~108~12.510~14.53UA52256900.1~0.160 ... .6~2.52~3.22.5~43.2~54~6.35~86.3~108~12.510~1612.5~2016~253UA54366904~6 ... .6~2.52~3.22.5~43.2~54~6.35~86.3~108~12.510-16,16~2520~3225-36 ...