尺寸[A]160 250 250额定工作电流（AC21级），即[A]160 250 250额定工作电流（AC22级），即[A]160 250 250额定工作电流（AC23级），即[A]125 200 200 200极[编号]3,4 3,4 3,4额定工作电压，Ue（AC）50-60Hz[V]690 690（DC）[V]500 500额定绝缘电压，Ui[V]800额定冲击耐受电压，Uimp[kV]8 8 8工业频率下的试验电压，用于短路时1 min[V]3000额定开断能力，Icm（小）隔离开关仅[kA]2,8 5,3 5,3（大），电源侧自动[kA]187 105 105断路器，1s额定短时耐受电流，Icw[kA]2 3,6 3,6版本
常规热电流，Ith[A]160 AC22类额定工作电流，Ie[A]160 AC23类额定工作电流，Ie[A]125极[Nr.]3/4额定工作电压，Ue（AC）50-60 Hz[V]690（DC）[V]500额定冲击耐受电压，Uimp[kV]8额定绝缘电压，Ui[V]800工业频率下1分钟[V]3000额定短路闭合能力的试验电压，仅限Icm（小）隔离开关[kA]2.8（大），电源侧配有断路器[kA]187额定短时耐受电流1s，Icw[kA]2参考标准IEC 60947-3版本F端子FC Cu-EF-FC CuAl机械寿命[No.operations]25000[No.Hourly operations]120重量固定3/4极[kg]0.9/1.2插入式3/4极[kg]–可抽出3/4极[kg]–Tmax T3D 250 200 3/4 690 500 8 800 3000 5.3 105 3.6 IEC 60947-3 F-P F-FC CuAl FC CuEF-ES-R 25000 120 1.5/2 2.1/3.7

Size [A] 160 250 250 Rated operating current in class AC21, Ie [A] 160 250 250 Rated operating current in class AC22, Ie [A] 160 250 250 Rated operating current in class AC23, Ie [A] 125 200 200 Poles [Nr.] 3,4 3,4 3,4 Rated service voltage, Ue (AC) 50-60Hz [V] 690 690 690 (DC) [V] 500 500 500 Rated insulation voltage, Ui [V] 800 800 800 Rated impulse withstand voltage, Uimp [kV] 8 8 8 Test voltage at industrial frequency for 1 min [V] 3000 3000 3000 Rated breaking capacity in short-circuit, Icm (Min) Disconnector only [kA] 2,8 5,3 5,3 (Max) With automatic [kA] 187 105 105 Circuit-breaker on supply side Rated short-time withstand current for 1s, Icw [kA] 2 3,6 3,6 Versions
Conventional thermal current, Ith [A] 160 Rated service current in category AC22, Ie [A] 160 Rated service current in category AC23, Ie [A] 125 Poles [Nr.] 3/4 Rated service voltage, Ue (AC) 50-60 Hz [V] 690 (DC) [V] 500 Rated impulse withstand voltage, Uimp [kV] 8 Rated insulation voltage, Ui [V] 800 Test voltage at industrial frequency for 1 minute [V] 3000 Rated short-circuit making capacity, Icm (min) switch-disconnector only [kA] 2.8 (max) with circuit-breaker on supply side [kA] 187 Rated short-time withstand current for 1s, Icw [kA] 2 Reference Standard IEC 60947-3 Versions F Terminals FC Cu - EF - FC CuAl Mechanical life [No. operations] 25000 [No. Hourly operations] 120 Weight fixed 3/4 poles [kg] 0.9/1.2 plug-in 3/4 poles [kg] – withdrawable 3/4 poles [kg] – Tmax T3D 250 250 200 3/4 690 500 8 8 800 3000 5.3 105 3.6 IEC 60947-3 F - P F-FC CuAl-FC CuEF-ES-R 25000 120 1.5/2 2.1/3.7