3RB20 overload relays with screw connection on auxiliary current side for direct mounting1)2) and stand-alone
installation2)3), CLASS 10
Features and technical specifications:
 
● Overload protection, phase failure protection and unbalance protection
● Internal power supply
● Auxiliary contacts 1 NO + 1 NC
● Manual and automatic RESET
● Switch position indicator
● TEST function and self-monitoring