Electronic Motor Protection Relay. EMPR is an electronic motor protection relay used to protect low voltage motors by replacing thermal overload relays, also known as electronic overcurrent relays . EMPR is highly reliable by its accuracy and real-time data processing. Specification: Type SCREWED Operating voltage: 230V Time delay setting : 0,5-30SEC Volume adjustment area: 5-50A Package includes: 1 x HYUNDAI Digital Motor Protection Relay HIMP50H-E Facebook Instagram Pinterest