Medium Voltage Contact Box

Timetric Medium Voltage Contact Box  Introduction：

The Medium Voltage Contact Box is used for all kinds of hand-car switchgear, and the use condition is that the altitude is not more than 1000M.

The contact box is formed byepoxy with APG technies，it is used for insulation isolation and connection transition of various switch trucks.

Timetric Medium Voltage Contact Box Parameter (Specification)

Timetric Medium Voltage Contact Box Technical Date &Requirement：

1.The coper contact to earth shall withstand power frequency test voltage(effective value )of 42kv for 5 minutes and

lightning impulse vpltage (peak value)of 75KV;

2.The temperature of lead-out terminal shall not bemore than 65℃ if the contact box is used for long time in rated current condition；

Timetric Medium Voltage Contact Box Operation Condition：

1.Altitude：≤1000m；

2.Ambient temperature:+40℃~10℃;

3.The relative humidity shall not be more than 95%at+20℃ ambient temperature;

4.NO gas ，wapor or dust that may severely affect the insulation of contact box，no explosive or corrosive substance.