Dry reed relays are also operated by energizing a coil, but in this type of relay, the coil is wound around the switch so that the induced magnetic field closes the switch.

• 干簧继电器也是靠激励一个线圈进行工作的，但是在这种类型的继电器中，线圈环绕着开关，从而感应的磁场使开关闭合。