R-K Electronics, Inc. Protection Relays & Systems SVM-240A-79

The SVM-240A-79 is a single-phase voltage relay designed to monitor AC voltage and control a dry contact output based on independently adjustable overvoltage and undervoltage thresholds. It is packaged as a plug-in, 8-pin octal unit with a dust cover, weighing 9 oz. The relay operates on 240VAC nominal input, with adjustable under-voltage pick-up from 200 to 250VAC and over-voltage set point from 225 to 280VAC, featuring a 2% hysteresis and a fixed 0.5-second delay for both pick-up and drop-out. Output contacts are rated at 10 amps at 250VAC, 1/2 HP at 250VAC, or 10 amps at 30VDC, and include an indicating LED. Operating temperature ranges from 0°C to 40°C, with storage from -40°C to 85°C. Power consumption is 1.5VA. The device is listed to UL 508 standards.