Wall bushing series
Description
1.Contact box adopt technique of epoxy resin automatic pressure gelatin (APG)
2.It mainly used in 12kV high voltage switchgear and take the role of insulation function for the VCB contact

Application
1.Usage: high voltage switchgear
2.Material: epoxy resin
3.Specification: CH3-10Q series

Operating condition
1.Altitude: ≤1000m
2.Ambient temperature: +40°C-10°C
3.Relative humidity should not be more than 95% at +20°C ambient temperature
4.Technical date & requirement 
Rated insulating level: 1min power frequency withstands 42kV, rated lightning impulse withstand voltage 75kV