HRDB321 is manufactured by SSAC SYM and is categorized in the Time Delay Relays category. HRDB321 is described as
Product Description:
Time Delay Relay, 24VDC, Off Delay, Onboard Knob Adjustable, 1-100 Sec, Surface Mount, SPDT 30A Relay Out
. Perfect Parts is a supplier of Relays and other Electromechanicals.