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mns低压抽出式开关柜，是一种用标准模块由工厂组装的组合式低压开关柜，技术标准符合iec439-1《低压成套开关设备和控制设备》、gb7251《低压成套开关设备和控制设备》等标准。
mns low-voltage withdrawable switchgear is assembled with modules in the factory.lonform iec439-1《low-voltage complete switch equipment and controller》 gb7251《low-voltage complete switch equipment and controller》and other standards.
额定绝缘电压
rated insulation voltage
660v 防护等级：
protection degree
额定工作电压
rated operating voltage
380,660v 符合iec529\din40050标准
主母线最大工作电流
main busbar max.operating current
5500a(ip00),
4700a(ip30)
ip30对大于φ2.5mm固体防护
主母线短时耐受电流
main busbar short time withstand current
100ka(eff.value) ip40对于φ1.0mm固体防护
主母线短时峰值电流
main busbar short time peak current
250ka(max.value) ip54对尘埃和任意方向喷溅做防护（订购
ip54防护等级时应与制造厂协商）
垂直母线（配电母线）最大工作电流
vertical busbar(power distributing busbar)
max.operating current
1000a meet iec529\din40050 standards
ip30 of larger than phi2.5mm solid door
垂直母线（配电母线）短时峰值电流
vertical busbar(power distributing busbar)
short-time peak current
st:标准型90a
rs：加强型130ka
ip40 of larger than phi1.0mm solid door
ip54 of dust and splash protection in any
防护等级
protection degree
ip30,ip40,ip54 direction (order ip54 rating should
consult with the manufacturer)
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