详细说明
本系列产品为交流50Hz或60Hz,额定绝缘电压为690-1000V，在AC-3使用类别下额定工作电压为380V时的额定工作电流为9A-400A主要供远距离接通及分断电路之用，适用于控制交流电动机的起动、停止及反转，本产品是引进德国西门子公司制造技术的产品符合IEC947,VDE0660,GB14048等标准。 技术参数
| 型号Type | CS3TB-40 | CS3TB-41 | CS3TB-42 | CS3TB-43 | CS3TB-44 |
| 额定绝缘电压（V）Rated insulation voltage | 660 | 660 | 660 | 660 | 660 |
| 额定工作电流(380V)(A) Rated operational current(380V) | AC-3 | 9 | 12 | 16 | 22 | 32 |
| AC-4 | 3.3 | 4.3 | 7.7 | 8.5 | 15.6 |
| 可控电机功率（KW）Rated outputs of three-phase motors at 50Hz | AC-3 | 230/220V | 2.4 | 3.3 | 4 | 6.1 | 8.5 |
| 400/380V | 4 | 5. 5 | 7.5 | 11 | 15 |
| 500V | 5.5 | 7 .5 | 10 | 11 | 21 |
| 690/660V | 5.5 | 7.5 | 11 | 11 | 23 |
| 1000V | - | - | - | - | - |
| AC-4 | 400/380V | 1.4 | 1.9 | 3.5 | 4 | 7.5 |
| 690/660V | 2.4 | 3.3 | 6 | 6.6 | 13 |
| 机械寿命(×106)Mechanical endurance | 10 | 10 | 10 | 10 | 10 |
| 操作频率(1/h)Switchina frequency | AC-3 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| AC-4 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| 机械寿命(×106)Mechanical endurance | AC-3 | 1000 | 1000 | 750 | 750 | 750 |
| AC-4 | 250 | 250 | 250 | 250 | 250 |
| 吸引线圈工作电压范围Coil voltage lolerance | (0.8～1.1)Us |
| 吸引线圈功率消耗(AC)Power consumption of coil(50Hz) | 保持(VA)Closed | 10 | 10 | 10 | 10 | 10 |
| 功率因数P.f. | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 |
| 吸合(VA)/Closing | 68 | 68 | 68 | 68 | 68 |
| 功率因数P.f. | 0.82 | 0.82 | 0.82 | 0.82 | 0.82 |
| 约定发热电流(A)Convention althermal current | 20 | 20 | 30 | 30 | 45 |
| 辅助触头约定发热电流(A) Conventional thermal current of auxiliary contacts | 10 | 10 | 10 | 10 | 10 |
| 辅助触头额定工作电流（A）Rated operational current of auxiliary contacts | AC-15 380/220V | 6/10 | 6/10 | 6/10 | 6/10 | 4/6 |
| 重量Weight | 0.43 | 0.43 | 0.49 | 0.49 | 0.7 |
| 线圈电压订货号AC The number of AC coil voltage | 50Hz线圈/Coil for 50Hz AC V | 50Hz/60Hz线圈/Coil for 50Hz/60Hz AC V |
| 24 | BO | 24 | C1 |
| 42 | DO | 42 | D1 |
| 110 | FO | 110 | G1 |
| 220 | MO | 220 | P1 |
| 240 | UO | 240 |