Schneider Electric CA3KN22BD 24V DC 10A 2NO/2NC control relay

IEC Control Relay for 24 V DC systems

This Schneider Electric CA3KN22BD relay switches loads up to 10 A on AC circuits and 2 A on DC circuits. It mounts on DIN rail or flat surfaces using screw-clamp terminals. The transparent housing lets you verify contact position at a glance. It suits automation panels, lighting circuits and small-motor starters.

Replaces older IEC relays with lower contact ratings

If your existing relay is rated below 10 A at 120 V AC or 2 A at 125 V DC, this unit provides a direct step up in switching capacity. The 3 W coil draws minimal power from the 24 V DC supply. The change is worth it when contact wear or nuisance trips indicate the old relay is undersized for the load.

Check coil voltage and contact configuration

Verify that your control circuit supplies 24 V DC and that the application needs two normally-open and two normally-closed contacts. Confirm the panel can accommodate a 2.24 in depth, 2.28 in height and 1.77 in width envelope. Ensure the operating ambient stays below 122 °F and that IP2X protection meets the enclosure requirements.