Details:

1.Material: epoxy resin

2.Rated voltage: 12KV

3.Technology: automatic pressure gelation (APG)

4. Application: used for insulation, isolation and connection transition in various kinds of handcart switchgear
 

Operation condition:

1.Altitude: ≤ 1000m or 2000m or 3000m

2. Ambient temperature: 40 to -10ºC

3.Relative humidity shall not be more than 95% at +20ºC ambient temperature

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

Technical requirement:

1.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.Temperature of lead-out terminal shall not bemore than 65º C if the contact box is used for long time in rated current condition