国产精久久一区二区三区_欧美毛片性视频区_久久综合99re久久爱_在线18款禁用软件app

1. Small volume, waterproof, anti vibration, no noise, no contact arc;
2. Photoelectric isolation, high withstand voltage, long service life, strong anti-interference and high reliability;
3. It is composed of unidirectional thyristors in reverse parallel, and has high DV / DT and DI / DT bearing capacity;
4. Vacuum + hydrogen filling protection welding technology, standardized size;
5. The input signal is compatible with TTO and COMS;
6. .

Application:
Applications: Chemical equipment, food machinery, packaging machinery, AC motors, incandescent lamps, cement, coal mine, medical, entertainment facilities, and other automation control fields , etc.
Especially suitable for anti-corrosion, damp, dustproof, explosion-proof and other occasions.