Schneider Electric 9050JCK21V20 Electrical Timing Relay

The Schneider Electric Square D 9050JCK21V20 is a plug-in, off-delay timing relay from the JCK family, delivering adjustable 0.1–10 s timing for control circuits. It features DPDT (2 Form C) contacts with a 10 A load rating suitable for AC loads up to 240 VAC (up to 1/2 hp), making it capable of switching representative control circuits and small motors in automation panels. The unit accepts a 120 VAC or 110 VDC coil and uses an 11-pin footprint for plug-in installation, enabling straightforward replacement in compatible enclosures. Time is set across a 0.1–10 s range, and the housing is rated for operation across typical panel temperatures (-18 to 150 °F). Dimensions are approximately 43 mm wide by 104 mm deep by 61 mm high, and it is designed for socket mounting in control cabinets.