This is waterproof slip ring for radar antenna and satellite communications, Its outstanding advantage is that IP protection grade IP65, and working temperature is -55℃~+70℃ , it can work at very low temperature and humidity environment, like aeronautical industry and marine applications. Through hole size is 88mm, there are keyslot drive on rotor rotating.
Electrical noise - ≤70mΩ(50rpm)
Dielectric strength - ≥500V@50Hz
Isolation resistance - 300MΩ@500VDC
Contact material - precious metals
Operating temperature - -55~+70℃