1)rated frequency is applied to 50 or 60HZ
2)rated voltage 0.5kv and below the power system

LMZ1-0.5 series current transformer is used for measuring current, power and protecting equipment against damage in the circuit.
Product Overview: The current transformer is an epoxy resin casting busbar structure. It is suitable for rated frequency 50Hz, rated voltage 0.5 kV and below the working current ac lines and is used for electricity measurement and monitoring.