contactless switch

Its main return circuit adopts thyristor contactless switch, so can turn off circuit quickly, precisely and reliably.

该系列点焊机主回路均采用晶闸管无触点开关，电路关断时间快、准确、可靠。

This article discusses a kind of novel power switch-card control switch. It uses contactless IC card to control the power supply junction or cut off, has the advantage of safety dependable, usage convenience etc.

探讨一种新颖的电源开关&卡控开关，它使用非接触IC卡控制电源的通断，具有安全可靠、使用方便等特点。

k-type thermocouple, contactless switch relay, limit unit.

型热电偶，非接触型继电器开关，极限装置。

Use the thyristor as switch devices in researched and produced new type contactless power voltage supply.

在所研制的新型无触点电力稳压器中,采用晶闸管作为开关器件.

application of contactless switch in control

无触点开关在控制中的应用