ABB CM-SFS.22S SINGLE-FUNCTIONAL CURRENT MONITORING RELAY 0.3-1.5A, 1-5A & 3-15A, CONTROL 24-240VAC/DC 2CO

The Single-functional current monitoring relay is designed for over- and undercurrent monitoring. It uses a RMS measuring principle for both DC and AC currents, with 3 measuring ranges: 0.3-1.5 A, 1-5 A, and 3-15 A. The relay operates with a rated control supply voltage of 24 - 240 V AC / DC. It has 2 x 1 CO or 1 x 2 CO contacts output, with contacts rated at 250 V / 4 A. The relay offers window monitoring for both over- and undercurrent conditions. It also allows for the selection of ON- or OFF-delay, as well as open- or closed-circuit operating principles. The tripping delay and start-up delay can be adjusted from instantaneous to a maximum of 30 seconds (0, 0.1-30 s). The relay also features double-chamber cage connection terminals. Overall, this single-functional current monitoring relay provides accurate monitoring of currents in various ranges and offers flexible settings for different operating conditions.