专用压缩机启动继电器

电压式启动继电器是家用空调器中最常采用的启动继电器，由线圈、铁芯、可动铁片、可动触头、固定触头及引线端子等组成，如图2-85所示。

电压式启动继电器的线圈与压缩机启动绕组并联，常闭触点与启动电容串联，如图2-86所示。

压缩机启动后，继电器线圈两端的电压随着压缩机电机转速的增大而增加。当

电机的转速达到额定转速的70%～80%时，线圈上的电压使之产生电磁力吸引衔铁，使常闭触点断开，启动电容失去作用；当压缩机断电时，常闭触点在弹簧的作用下自动闭合，为压缩机的再启动作好准备。

来源：互联网

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Hongli Electric Co., Ltd. has been a professional manufacturer of contactors, AC contactors, DP contactors, light contactors, magnetic contactors, power relays, potential relays, switching relays and transformers, disconnect boxes, enclosure boxes, whips, and Master Distributor of HVAC-R products in China. Over 200 kinds of main products as above are approved by UL, CSA, VDE, TUV, CCC, CE, and RoHS. With abundant experiences and excellent reputation over the past 20 years, Hongli Electric has become one of the most reliable suppliers of HVAC-R products for worldwide customers.

By choosing Hongli Electric Co., Ltd as your supplier, you are aligning yourself with a company possessing the experience necessary to produce a custom product with the high quality you require at a competitive price. The catalog pages included on this website are merely an illustration of the many products and solutions Hongli Electric is capable of providing. Should you not see the product or process you are looking for, please contact us and we will be pleased to review our capabilities with you. Need more details? Please check our full documentation for detailed information on how to use Hongli.

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