The 440R-M23048 is a monitoring safety relay from the MSR15D MINOTAUR series, featuring 2 normally closed (N.C.) inputs, 2 normally open (N.O.) instant safety outputs, 1 N.O. delayed safety output, and 1 N.C. auxiliary output. It operates on a 24 VAC/DC power supply with adjustable delay timing ranging from 0.1 to 10 seconds. Note: Manufacturer warranty is not applicable, but this product includes a 2-year warranty from RADWELL.