一般尺寸为长19.8宽6.4高10.2，功能上有高精度和高寿命的不同性能。如系列:
|
Operating Frequency (mechanical).....120 operati / mim |
|
Operating Frequency (electrical).....10~30 operati/mim |
|
Contact Resistance (initial).....300m Ω (Max.) |
|
Insulation Resistance (at 500VDC).....100M Ω (Min.) |
|
Dielectric Strength (50-60Hz).....1000VAC RMS |
|
Service Life (mechanical).....Min. 10000000 operati |
|
Service Life (electrical).....Min. 6000 operati |
故障实例三：交流220V整流滤波电路出现短路性故障，且开机烧。先检查一下整流二极管有无短路、滤波电容是否严重漏电。还可拔去消磁线圈插头，检查一下消磁热敏电阻有无短路性故障，如有应换新。