Function Apply to the security of 10KV power electric transformer, power electric transmit line and street lamp line. Monitor 3 phase loss voltage and single phase failure of the distribute power electric network. Equip 8 hardwire route to input alarm. Support several SMS alarm and auto-dialed alarm, as well as drive wiretap to locate monitor. One host could deal with the alarm signal from three transformers at the same time. Connect with PATROL HAWK PH-BC 110 alarm center. Specification GSM 900/1800MHz double frequency module inside Monitor Voltage: AC 380V +10% Data respond: less than 10s (GSM is in normality) Temperature: -30 to +55 °C Humidity: 20 to 85% Alarm mode: SMS and Auto-dialed Dimension: 240mm(Long) ?170mm(Wide) ?115mm(High)