Schneider Electric Voltage Monitoring Relay with SPDT Contacts, 1 Phase, 12 V. Voltage Sensitivity: Overvoltage, Self Powered, Undervoltage. Voltage Sensing Range: 9 → 15 V dc. Time Delay: 0.1 → 10 s. Minimum Voltage Sensed: 9 V dc. Length: 72mm. Operating Temperature Range: -20 → +50 °C. Maximum Operating Temperature: +50°C. Height: 90mm. Dimensions: 72 x 17.5 x 90 mm. Maximum Voltage Sensed: 15V dc. Minimum Operating Temperature: -20°C. MPN: RM17UAS14