CH5-10Q-250（3150-4000A）
1.contact box
The Contact BOX Series General Description
1.
The contact box is formed byepoxy with APG technics，it is used for insulation isolation and connection transition of
various switch trucks.
2. 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.
Technical Date &Requirement
[1]
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；
CH1-10Q-150（630-1250A）
CH2-10Q-180（1250A）
CH3-10Q-190（1600A)
CH4-10Q-208（2000A）
CH5-10Q-250（3150-4000A）
CH6-10Q-230（3150-4000A）
CH7-10-210
JYN2-10Q（630A）
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