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10 kv embedded pole

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Wuhan Feite Electric Co., Ltd

China

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10 kv embedded pole

12kv/10KV embedded pole for vacuum circuit breaker

VEP1250/12-25

VEP1250/12-31.5

VEP1600/12-31.5

主要项目的技术参数MAIN TECHNICAL DATA

額定电压 Rated voltage	12KV
额定电流 Rated current	1250/1600A
额定频率 Rated frequency	50HZ
额定短路开断电流 Rated short-circuit breaking current	25/31.5KA
额定短路开断电流开断次数 Operations of short-circuit breaking current interruption	50次/times
额定短路关合电流 Rated short-circuit making current	63/80KA
额定短时耐受电流(4秒) Rated shor-time withstand and current (4S)	31.5KA
额定单个电容器组开断电流* Rated single capacitor bank breaking current	630A
额定背对背电容器组开断电流* Rated back-to-back capacitor bank breaking current	400A
额定(Imin)工频耐受电流 Short-tine (loin) porer-frequency withstand voltage	48KV
额定雷电冲击耐受电压(峰值) Rated lightring impulse withstand voltage (peak)	85KV
额定短路开断电流的直流分量 Percentage D. C component of rated S. C Breaking Current	40%
额定工作压力下限时回路电阻 Ciruit resistance at rate contact force	≦20 μΩ
机械寿命 Mechaniccal life	30000次/times
触头自闭力 Contact closing force due to bellows and atmosphere	100±30N
额定开距下触头反力 Counterforce at rated contact force	200±30N
触头允许磨损厚度 Contact erosion limit	3mm
贮存期 Shelf life	20年
局部放电量 Part discharge	≦5pc
额定操作顺序 Rate operating sequence	O—0.3s—CO — 180s—CO
配用的真空开关应满足的机械参数 MECHANICAL DATA OF CIRCUIT-BREAKING EQUIPPED IITH THE INTERRUPTERS
触头开距 Rated contact stroke	9± 1 mm
触头接触行程 Contact connection stroke	3.5± 1 mm
平均分闸速度 Average opening speed	1.1 ±0.2m/s
平均合闸速度 Average closing speed	0.7 ± 0.2m/s
额定触头压力 Added contact force	2500/3150±200N
触头合闸弹跳时间 Bounce 血ration of contact closing	≦2ms
触头分闸不同期 Out of simultaneity of contact closing and opening	≦1 ms
分闸触头反弹幅值 Max. overtravel	≦2mm