LR2-D Series Thermal Relay can be used in the circuit of ... voltage 660V, rated current 0.1 - 96A. APPLICATIONThis series of thermal relay can be used in the circuit of 50Hz ... or 60Hz, rated insulation voltage 660V,rated current 0.1 - 96A for ... 50-60Hz.Use group, rated working voltage, appoint thermal current and rated current. LR2-D Series Thermal Relay