3RB20 Electronic Overload Relay

3RB20 for Standard Applications

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