Epoxy resin cast bushing insulator(Automatic pressure gelation)

General Description

1.The Contact Box is formed by epoxy with APG technolgy, it is used for insulation isolation and connection for ansition of various switch trucks;

2.Altitude:≤1000m;

3.Ambient temperature:+40°C~10°C;

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

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°C if the contact box is used for long time in rated

current condition

3.See the attached figure for the outline and installation dimension of contact box.