1．电磁继电器
1. electromagnetic relay
在输入电路内电流的作用下，由机械部件的相对运动产生预定响应的一种继电器。
A relay that generates a predetermined response from the relative motion of a mechanical component under the influence of the current in the input circuit.
它包括直流电磁继电器、交流电磁继电器、磁保持继电器、极化继电器、舌簧继电器,节能功率继电器。
It includes DC electromagnetic relay, AC electromagnetic relay, magnetic latching relay, polarization relay, reed relay, energy saving power relay.
(1)直流电磁继电器：输入电路中的控制电流为直流的电磁继电器。
(1) DC electromagnetic relay: the electromagnetic relay in the input circuit which controls the current is dc.
(2)交流电磁继电器：输入电路中的控制电流为交流的电磁继电器。
(2) AC electromagnetic relay: the input current in the control circuit is AC electromagnetic relay.
(3)磁保持继电器：将磁钢引入磁回路，继电器线圈断电后，继电器的衔铁仍能保持在线圈通电时的状态，具有两个稳定状态。
(3) magnetic latching relay: the magnetic steel is introduced into the magnetic circuit. After the relay coil is switched off, the armature of the relay can still keep the state of the circuit on the loop, and has two stable states.
(4)极化继电器：状态改变取决于输入激励量极性的一种直流继电器。
(4) polarization relay: a DC relay whose polarity depends on the polarity of the input excitation.
(5)舌簧继电器：利用密封在管内，具有触点簧片和衔铁磁路双重作用的舌簧的动作来开、闭或转换线路的继电器。
(5) reed relay: a relay used to open, close or convert the line by means of the action of reed, which is sealed in the tube and has double functions of the contact reed and the armature magnetic circuit.
(6)节能功率继电器:输入电路中的控制电流为交流的电磁继电器,但它的电流大(一般30-100A),体积小, 节电功能.
(6) energy saving power relay: the control current in the input circuit is AC electromagnetic relay, but its current is large (general 30-100A), small size, power saving function
