Novatek rnpp 311m voltage monitoring relay with 4 outputs novatek rnpp 311m p the novatek rnpp 311m voltage monitoring relay can automatically remove power from equipment to protect it from malfunction or damage if the mains supply falls outside user defined parameters p p it can also reconnect the equipment after a user defined time delay when the mains supply returns to acceptable levels p novatek rnpp 311 m voltage monitoring relay 4 outputs