详细介绍:
低压接触器的运用维护编辑
经常或定期检查接触器的运行情况,进行必要的维修是保证其运行可靠延长其寿命的重要措施。检查、维修时应先断开电源,按下列步骤进行。
1、外观检查清除灰尘,可用棉布沾少量汽油擦去油污,然后用布擦干;拧紧所有压接导线的螺丝,防止松动脱落、引起连接部分发热。
2、触点系统检查
1)检查动静触点是否对准,三相是否同时闭合,并调节触点弹簧使三相一致。
2)摇测相间绝缘电阻值。使用500v摇表,其相间阻值不应低于10兆欧。
3)触点磨损厚度超过1mm,或严重烧损、开焊脱落时应更换新件。轻微烧损或接触面发毛、变黑不影响使用,可不予处理。若影响接触,可用小锉磨平打光。
4)经维修或更换触点后应注意触点开距,超行程。触点超行程会影响触点的终压力。
5)检查辅助触点动作是否灵活,静触点是否有松动或脱落现象,触点开距和行程要符合要求,可用万用表测量接触的电阻,发现接触不良且不易修复时,要更换新触点。
3、灭弧罩检修
1)取下灭弧罩,用毛刷清除罩内脱落物或金属颗粒。如发现灭弧罩有裂损,应及时予以更换。
2)对于栅片灭弧罩,应注意栅片是否完整或烧损变形、严重松脱、位置变化等,若不易修复则应更换。
4、电磁线圈的检修
1)交流接触器的吸引线圈在电源电压为线圈额定电压的85%-105%时,应能可靠工作。
2)检查电磁线圈有无过热,线圈过热反映在外表层老化、变色,线圈过热一般是由于匝间短路造成的,此时可测其阻值和同类线圈比较,不能修复则应更换。
3)引线和擦接件有无开焊或将断开的情况。
4)线圈骨架有无裂纹、磨损或固定不正常的情况。如发现应及早固定或更换。
5、铁芯的检修
1)用棉纱沾汽油擦拭端面,除去油污或灰尘等;
2)检查各缓冲件是否齐全,位置是否正确;
3)铆钉有无断裂,导致铁芯端面松散的情况;
4)短路环有无脱落或断裂,特别要注意隐裂。如有断裂或造成严重噪声,应更换短路环或铁芯;
5)检查电磁铁吸合是否良好,有无错位现象。
施耐德常规接触器选型列表
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型号、电流
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线圈:AC24V
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线圈:AC110V
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线圈:AC220V
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线圈:AC380V
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线圈:DC24V
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线圈:DC110V
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LC1-D09 9A
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LC1-D09B7C
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LC1-D09F7C
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LC1-D09M7C
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LC1-D09Q7C
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LC1-D09BDC
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LC1-D09FDC
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LC1-D12 12A
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LC1-D12B7C
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LC1-D12F7C
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LC1-D12M7C
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LC1-D12Q7C
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LC1-D12BDC
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LC1-D12FDC
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LC1-D18 18A
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LC1-D18B7C
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LC1-D18F7C
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LC1-D18M7C
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LC1-D18Q7C
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LC1-D18BDC
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LC1-D18FDC
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LC1-D25 25A
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LC1-D25B7C
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LC1-D25F7C
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LC1-D25M7C
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LC1-D25Q7C
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LC1-D25BDC
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LC1-D25FDC
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LC1-D32 32A
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LC1-D32B7C
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LC1-D32F7C
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LC1-D32M7C
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LC1-D32Q7C
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LC1-D32BDC
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LC1-D32FDC
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LC1-D38 38A
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LC1-D38B7C
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LC1-D38F7C
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LC1-D38M7C
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LC1-D38Q7C
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LC1-D38BDC
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LC1-D38FDC
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LC1-D40 40A
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LC1-D40B7C
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LC1-D40F7C
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LC1-D40M7C
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LC1-D40Q7C
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LC1-D40ABD
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LC1-D40AFD
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LC1-D40A 40A
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LC1-D40AB7C
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LC1-D40AF7C
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LC1-D40AM7C
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LC1-D40AQ7C
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新款40A(体型较小)
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LC1-D50 50A
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LC1-D50B7C
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LC1-D50F7C
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LC1-D50M7C
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LC1-D50Q7C
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LC1-D50ABD
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LC1-D50AFD
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LC1-D50A 50A
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LC1-D50AB7C
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LC1-D50AF7C
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LC1-D50AM7C
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LC1-D50AQ7C
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新款50A(体型较小)
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LC1-D65 65A
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LC1-D65B7C
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LC1-D65F7C
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LC1-D65M7C
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LC1-D65Q7C
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LC1-D65ABD
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LC1-D65AFD
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LC1-D65A 65A
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LC1-D65AB7C
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LC1-D65AF7C
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LC1-D65AM7C
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LC1-D65AQ7C
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新款65A(体型较小)
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LC1-D80 80A
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LC1-D80B7C
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LC1-D80F7C
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LC1-D80M7C
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LC1-D80Q7C
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LC1-D80BD
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LC1-D80FD
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LC1-D95 95A
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LC1-D95B7C
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LC1-D95F7C
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LC1-D95M7C
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LC1-D95Q7C
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LC1-D95BD
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LC1-D95FD
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LC1-D115 115A
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LC1-D11500B7C
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LC1-D11500F7C
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LC1-D11500M7C
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LC1-D11500Q7C
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原装
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LC1-D150 150A
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LC1-D15000B7C
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LC1-D15000F7C
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LC1-D15000M7C
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LC1-D15000Q7C
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正品
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LC1-D170 170A
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LC1-D17000B7C
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LC1-D17000F7C
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LC1-D17000M7C
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LC1-D17000Q7C
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现货、特价
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