Amperite Co. Time Delay Relay, Spst-No, 20Sec, 24Vdc; Relay Mounting Amperite 24D.2-20SST1A

The Amperite ST1A series is a solid-state, delay-on-make timer with fixed or field-adjustable timing from 0.1 seconds to 100 hours, using CMOS digital circuitry and a 2-ampere continuous load rating. It operates on 12V, 24V, 48V, or 110V DC input, with a nominal 24V DC variant having an input range of 20 to 28 volts. The device features a Form A sealed solid-state output with a maximum inrush of 20 amperes and a voltage drop of 2.5 volts RMS or less at 2 amperes. It is housed in a 2 x 2 x 0.75-inch black plastic enclosure with center-hole mounting and three or five 1/4-inch quick-connect terminals. Timing accuracy is specified at ±10% for fixed units and repeatability at 2%. The part number 24D.2-20SST1A corresponds to the 24V DC variant with a 20-second fixed delay, consistent with the series' timing ranges and configuration rules.