亚洲av人不卡无码影片,在线日韩欧美国产二区,一二三四日本免费,chinese乱子伦xxxx国语对白,2020久久精品永久,午夜性刺激在线看免费视频

Electrical test panel

image

Electrical test panel


1. Purpose and main functions


PS series electrical test board is a platform for marine electricians to maintain, inspect and repair marine electrical equipment, and test all kinds of small and medium-sized motors and lighting appliances. It can provide AC three-phase 380V, single-phase 220 V, single-phase 0-220 V, DC 24 V and other power supply, and equipped with various types of lamp holder, power socket, fluorescent lamp test stand.


2. Model meaning



3. Main functional units

Voltmeter, ammeter, voltage regulator, terminal, lamp interface.