ZNL
从属类别:户内高压真空断路器   
 

 
用途 Application
ZNL系列户内高压真空断路器可用于额定频率50Hz,额定工作电压6至10KV,额定电流至630A,额定短路开断电流至125KA的电力系统中,作为高压电器设备的控制和保护开关,广泛应用于煤矿系统,组成矿用一般型,矿用防爆型开关柜和矿用隔爆型高压真空配电装置.
ZNL Series indoor high-voltage vacuum breaker is applicable to the power system with rated frequency 50Hz rated working voltage 6-10KV,rated current to 630A,rated short circuit breaking current to 12.5A,work as the controlling and protecting switch high-voltage electrical equipment ,widely used in coal mine system,forming mine used common type and mined used explosion proof switch cabinet and mine used exploding isolation high-voltage vacuum distribution device.
技术参数 Technical parameter
 名称 Name 单位 Unit ZNL1>-6/630-12.5 ZNL2>-6/630-12.5
 额定电压 Rated voltage KV 6 10
 最高工作电压 Max working voltage KV 7.2 12
 雷电冲击耐受电压(全波) Thunderbolt strike withstand voltage(full wave) KV 60 75
 工频耐受电压(1min) Power frequency withstand voltage (1min) KV 32 42
 额定频率 Rated frequency Hz 50
 额定电流 Rated current A 至630
 额定短路开断电流 Rated short circuit breaking current KA 12.5
 4S热稳定电流 4Sthermal standing current KA 12.5
 额定动稳定电流(峰值) Rated actingstanding current (peak value) KA 31.5
 额定短路关合电流(峰值) Rated short circuit close-open current(peak value) KA 31.5
 分闸时间 Time of switch off S ≤0.01
 机械寿命 Machinery service life Times 10000
 电寿命 Electricity service life  开断额定短路电流 Operating voltage for switch on Times 30
 开断额定电流 Break rated current Times 10000
 动、静触头允许磨损累计厚度
 Permitted total abrasion thick for moving contact and static contact
mm 30
 合闸操作电压 Operating voltage for switch on V AC DC 100 127
 分闸操作电压 Operating voltage for switch off V DC24 AC100
 电动机功率 Energy storage electromotor power W 200