接觸器是指工業(yè)電中利用線圈流過電流產生磁場，使觸頭閉合，以達到控制負載接通與分斷的電器。接觸器由電磁系統、觸頭系統和滅弧裝置組成。
其原理是當接觸器的電磁線圈通電后，產生磁場，吸引銜鐵，使觸頭動作：常閉觸頭斷開；常開觸頭閉合。當線圈斷電時，電磁吸力消失，復位彈簧使銜鐵帶動觸頭復位：常閉觸頭閉合；常開觸頭斷開。
| 型號 | 線圈電壓 V - 50 Hz | 物料號 |
| B6-30-10 | 24 |
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| B6-30-10 | 110 |
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| B6-30-10 | 220 |
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| B6-30-10 | 380 |
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| B6-30-01 | 24 |
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| B6-30-01 | 110 |
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| B6-30-01 | 220 |
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| B6-30-01 | 380 |
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| B7-30-10 | 24 |
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| B7-30-10 | 110 |
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| B7-30-10 | 220 |
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| B7-30-10 | 380 |
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| B7-30-01 | 24 |
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| B7-30-01 | 110 |
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| B7-30-01 | 220 |
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| B7-30-01 | 380 |
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| A9-30-10 | 24 |
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| A9-30-10 | 110 |
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| A9-30-10 | 220 |
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| A9-30-10 | 380 |
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| A9-30-01 | 24 |
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| A9-30-01 | 110 |
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| A9-30-01 | 220 |
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| A9-30-01 | 380 |
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| A12-30-10 | 24 |
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| A12-30-10 | 110 |
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| A12-30-10 | 220 |
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| A12-30-10 | 380 |
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| A12-30-01 | 24 |
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| A12-30-01 | 110 |
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| A12-30-01 | 220 |
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| A12-30-01 | 380 |
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| A16-30-10 | 24 |
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| A16-30-10 | 110 |
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| A16-30-10 | 220 |
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| A16-30-10 | 380 |
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| A16-30-01 | 24 |
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| A16-30-01 | 110 |
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| A16-30-01 | 220 |
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| A16-30-01 | 380 |
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| 接觸器 (交流線圈) - A 型(三極) |
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| 型號 | 線圈電壓 V - 50 Hz | 物料號 |
| A26-30-10 | 24 |
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| A26-30-10 | 110 |
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| A26-30-10 | 220 |
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| A26-30-10 | 380 |
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| A26-30-01 | 24 |
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| A26-30-01 | 110 |
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| A26-30-01 | 220 |
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| A26-30-01 | 380 |
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| A30-30-10 | 24 |
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| A30-30-10 | 110 |
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| A30-30-10 | 220 |
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| A30-30-10 | 380 |
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| A30-30-01 | 24 |
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| A30-30-01 | 110 |
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| A30-30-01 | 220 |
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| A30-30-01 | 380 |
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| A40-30-10 | 24 |
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| A40-30-10 | 110 |
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| A40-30-10 | 220 |
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| A40-30-10 | 380 |
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| A40-30-01 | 24 |
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| A40-30-01 | 110 |
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| A40-30-01 | 220 |
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| A40-30-01 | 380 |
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| A50-30-11 | 24 |
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| A50-30-11 | 110 |
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| A50-30-11 | 220 |
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| A50-30-11 | 380 |
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| A63-30-11 | 24 |
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| A63-30-11 | 110 |
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| A63-30-11 | 220 |
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| A63-30-11 | 380 |
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| A75-30-11 | 24 |
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| A75-30-11 | 110 |
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| A75-30-11 | 220 |
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| A75-30-11 | 380 |
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| 接觸器 (交流線圈) - A 型(三極) |
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| 型號 | 線圈電壓 V - 50 Hz | 物料號 |
| A95-30-11 | 24 |
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| A95-30-11 | 110 |
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| A95-30-11 | 220 |
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| A95-30-11 | 380 |
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| A110-30-11 | 24 |
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| A110-30-11 | 110 |
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| A110-30-11 | 220 |
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| A110-30-11 | 380 |
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| A145-30-11 | 24 |
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| A145-30-11 | 110 |
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| A145-30-11 | 220 |
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| A145-30-11 | 380 |
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| A185-30-11 | 24 |
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| A185-30-11 | 110 |
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| A185-30-11 | 220 |
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| A185-30-11 | 380 |
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| A210-30-11 | 24 |
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| A210-30-11 | 110 |
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| A210-30-11 | 220 |
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| A210-30-11 | 380 |
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| A260-30-11 | 24 |
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| A260-30-11 | 110 |
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| A260-30-11 | 220 |
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| A260-30-11 | 380 |
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| A300-30-11 | 24 |
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| A300-30-11 | 110 |
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| A300-30-11 | 220 |
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| A300-30-11 | 380 |
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| 接觸器 (交/直流通用線圈) - AF 型(三極) |
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| 型號 | 線圈電壓 AC/DC | 物料號 |
| AF400-30-11 | 48-130 |
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| AF400-30-11 | 100-250 |
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| AF400-30-11 | 250-500 |
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| AF460-30-11 | 48-130 |
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| AF460-30-11 | 100-250 |
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| AF460-30-11 | 250-500 |
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| AF580-30-11 | 48-130 |
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| AF580-30-11 | 100-250 |
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| AF580-30-11 | 250-500 |
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| AF750-30-11 | 48-130 |
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| AF750-30-11 | 100-250 |
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| AF750-30-11 | 250-500 |
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| AF1250-30-11 | 100-250V |
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| AF1350-30-11 | 100-250 |
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| AF1650-30-11 | 100-250 |
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| AF2050-30-11 | 100-250 |
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| 接觸器 (交流線圈) - B , A 型(四極) |
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| 型號 | 線圈電壓 V - 50 Hz | 物料號 |
| B6-40-00 | 24 |
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| B6-40-00 | 110 |
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| B6-40-00 | 220 |
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| B6-40-00 | 380 |
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| B7-40-00 | 24 |
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| B7-40-00 | 110 |
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| B7-40-00 | 220 |
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| B7-40-00 | 380 |
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| A9-40-00 | 24 |
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| A9-40-00 | 110 |
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| A9-40-00 | 220 |
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| A9-40-00 | 380 |
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| A16-40-00 | 24 |
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| A16-40-00 | 110 |
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| A16-40-00 | 220 |
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| A16-40-00 | 380 |
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| A26-40-00 | 24 |
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| A26-40-00 | 110 |
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| A26-40-00 | 220 |
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| A26-40-00 | 380 |
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| A50-40-00 | 24 |
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| A50-40-00 | 110 |
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| A50-40-00 | 220 |
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| A50-40-00 | 380 |
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| A75-40-00 | 24 |
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| A75-40-00 | 110 |
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| A75-40-00 | 220 |
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| A75-40-00 | 380 |
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