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