.jpg.jpg 乐清皇星开关厂 the contact box series触头盒系列 产品概述generaldescription1.触头盒为环氧树脂apg工艺压力凝胶成型结构，用于各种手车式开关柜，起绝缘隔离和联接过渡作用。 thecontact box isformed byepoxy with apg technies，it is used forinsulationisolation and connection transition of various switchtrucks.2.型号含义 .jpg使用条件 operation condition1.海拔高度不超过1000maltitude：≤1000m； 2.周围气温+40℃~10℃; ambienttemperature:+40℃~10℃;3.当空气温度+20℃时，相对湿度布超过95% the relative humidityshall not be more than95%at+20℃ ambient temperature;4.无严重影响触头盒绝缘的气体、蒸汽、灰尘及其它爆炸性和腐蚀介质的场所。no gas ，wapor or dust that mayseverely affect the insulation ofcontact box，no explosive orcorrosive substance. 技术数据和要求 technicaldate&requirement.jpg1.触头盒同触头对地应能耐受工频实验电压（有效性）42kv，历时5分钟，雷电冲击（峰值)75kv;the copercontact to earth shall withstand power frequencytestvoltage(effective value )of 42kv for 5 minutes andlightningimpulse vpltage (peak value)of 75kv;2.触头盒在额定电流下，长期工作下出线端部温升不超过65℃；the temperature of lead-out terminalshall not bemore than 65℃ ifthe contact box is used for long timein rated current condition；3.触头盒外形及安装尺寸见附图。 see the attached figurefor the outline andinstallation dimension of contact box.

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乐清市皇星开关厂
张锦锋
15968796172
乐清市北白象镇西刘宅工业区