General 1. Protection against overload and short-circuit currents 2. Protection against the effects of sinusoidal alternating earth fault currents 3. Protection against indirect contacts and additional protection against direct contacts. 4. Protection against fire hazard caused by insulation faults 5. Used in residential building 6. According to the type of instantaneous release classified as follows : type B(3-5)ln, type C(5-10)ln, type D(10-20)ln Release Curve Specifications Overall And ...

Function and features 1. LCD display 6+2 2. Bi-directional total active energy measurement ,reverse active energy measure in the total active energy 3. Each user responds to a card , well protect from forgery 4. Once the electric consumption is used up , it should be cut off automatically 5. Auto cut-off for overload 6. The IC card power selling control system has the function as power selling and using control 7. Pulse LED indicates working of meter, Pulse output with optical coupling isolat...

Ambient and installation conditions Altitude up to 2000m; Ambient medium temperature should be within -5℃ to +40℃ (+45℃ for marine products); It can withstand the effect of damp air; It can withstand the effect of salt fog or oil mist; It can withstand the effect of moulds; It can withstand the effect of nuclear radiation; The max inclination is 22.5℃. It still can work reliably when the ship subjects to normal vibration; It can still work reliably if the product subjects to the earthquake (...