西门子灭弧室 -参数.doc

VS12031 PR型真空灭弧室技术参数 Specification: Vacuum Interrupter VS12031PR 1. 电气参数 Electrical Data 额定电压,50/60 Hz Rated voltage, 50/60 Hz 12 kV 额定电流 Rated normal current 1600 A 额定短路开断电流,对称的 Rated short-circuit breaking current, symm. 20 kA 最大直流分量 Max. DC-component 40 % 额定短路关合电流 Rated short-circuit making current 50 kA 额定峰值耐受电流 Rated peak withstand current 50 kA 额定短时耐受电流, 4s Rated short-time withstand current, 4s 20 kA 开断容性电流符合IEC62271-100 Capacitive switching acc. to IEC62271-100 C2 级 2. 额定绝缘水平 Rated Insulation Level 额定工频耐受电压 Rated power-frequency withstand voltage 42 kV 额定雷电冲击耐受电压 Rated lightning impulse withstand voltage 75 kV 3. 热参数 Thermal Data 最小关合力时电阻值(新触头) Resistance at min. closing force (new cond.) ??15 ?? 动端导电杆最高允许耐受温度(接线端) Max. permitted temperature at movable stem (terminal) 120 oC 4. 电气寿命 Electrical Life 额定电流情况下 With rated normal current 20,000 次 短路电流情况下 With short-circuit current 50 次 5. 机械参数 Mechanical Data 触头开距 Contact stroke 6 ( 0.5 mm 分闸过冲 Max. overtravel 1 mm 平均分闸速度(0-2mm 行程) Average opening speed (0-2mm stroke) 0.8 - 1.2 m/s 平均合闸速度(2mm-触头闭合) Average closing speed (2 mm- contact making) 0.6 - 1.0 m/s 弹跳持续时间最大值(最多允许2次弹跳) Max. bouncing duration (max. 2 bounces permitted) 2 ms 最小关合力* Min. closing force* 1,200 N 最大关合力* Max. closing force* 1,500 N 波纹管和大气压产生的关合力 Closing force due to bellows and atmosphere 100 N 额定开距下触头反力** Force required to hold contacts open at full stroke** 140(10% N 触头磨损最大值 Contact erosion limit including mechanical shortening (包括电流路径机械性缩短) of current-conducting path 2 mm 动触头质量 Mass of moving contact 0.9 kg 灭弧室重量 Weight of interrupter 2.6 kg 机械寿命 Mechanical life 20,000 次 * 包括波纹管和大气压力产生的关合力 incl. force due to bellows and atmosphere ** 动触头在下面 movable contact below 本表所列参数已在西门子3AH断路器上得到成功的验证其它型号断路器适配请垂询 All data approved in Siemens 3AH circuit breakerData has to be rechecked for other applications VS12031型真空灭弧室技术参数