ABB 443T2340 Overcurrent Relay (XX4) is an ABB overcurrent circuit relay rated for 125 VDC operation at 50/60 Hz. The part number is 443T2340, and listings describe it directly as an Overcurrent Relay suitable for 125 VDC, 50/60 Hz systems. Used in electrical protection setups to detect excess current and initiate a protective response in DC control circuits.
