继电器外壳应清洁无灰尘。
流量开关用于声音报警，灯光报警，当无流量时启动电机、泵等继电器或起动器开关。
Waterflow indicator used to sound alarm, light signal, actuate relays or starter switches for motors, pumps, etc. , when no flow occurs.
无集成电路控板，采用继电器程序控制。
No integrated circuit control board, adopts relays to control the sequence.
流量开关用于声音报警，灯光报警，当无流量时启动电机、泵等继电器或起动器开关。
Flow switch used to sound alarm, light signal, actuate relays or starter switches for motors, pumps, etc., when no flow occurs.
可试提供口袋型收音机配充电电池、充电器。(非插耳机的随身听，耳机无必要！)亦能挂树上。
Try providing a pocket radio, with rechargeable batteries and charger. Note we are not talking about a "walkman" with earphones. Earphones are not needed!
采用直流开关电器与电力电子器件相结合方式，设计并实现了能够实现无弧通断的直流混合开关电器。
By linking the DC relay contactor with power electronic device, the DC hybrid switch apparatus without switching arcing was designed and accomplished.
介绍了基于无气隙电抗器的路灯节电器的工作原理、设计参数和现场侧量数据。
The article introduced the working principle, design parameters and the data of locale measurement of the street lamp electric saving that based on the no gas gap reactance setting.
本文以新型无接触能量传输系统为背景研究了一种适合于给小型家用电器充电的无接触式的充电电路。
This paper presents a novel non-contact charging circuit which is suitable for pocket electric appliance's charging after the drawback of the novel non-contact power transfer system.
介绍了一种采用CMOS数字电路、数字拨盘开关整定、无辅助电源的断电延时继电器的组成及工作原理。
Introduction was made to the composition and working principle of a power-off time delay relay which adopts CMOS digital circuit, digital dial disc for switch setting and without auxiliary power.
继电器。线圈电压9VDC。足迹定期。无焊药。线圈灵敏度0.2W。职务版本2A。
Relay. Coil voltage 9VDC. Footprint regular. Flux free. Coil sensitivity 0.2W. Duty version 2A.
电器寿命：50000主要特征：交流单速开关，带自锁或无自锁。
Electrical life: 50000primary Characteristic: cross current single velocity switch, which contain self-lock, or no self-lock.
适用于电气设备的无骨架和异形线圈，广泛使用在特种电机、电器、仪表、采电偏转线圈及民用电器产品中。
Suitable for skeletonless and special-shaped coils, and widely applied for special electric motor, electrical appliance, apparatus, color TV deflection coil and civil electrical appliance products.
内用无触点固态继电器，无噪声、理论寿命无限长。内部继电器容量：250V/30A。
Inner contactless solid relay is with lower noise, infinite theoretical service life. Internal relay capacity: 250V/30A.
正是由于以上的原因，本文设计出了基于高频逆变技术的无接触充电器。
It is precisely because of the above reasons, this paper designs the non-contact charger based on high-frequency conversion technique.
图2三相直流无刷电动机三只光电器件VP1、VP2和VP3的安装位臵各相差120度，均匀分布在电动机一端。
Figure 2 Three-phase brushless DC motor 3 optoelectronic devices VP1, VP2 and VP3 of the installation location of the difference between the 120 degrees, uniformly distributed in the motor end.
控制旁路接触器的接点是无源继电器输出点；
The joints of control bypass contactor passive relay output points;
控制旁路接触器的接点是无源继电器输出点；
The joints of control bypass contactor passive relay output points;
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