... 7CFM 4.customized ADDA AD6025GP Rack Mount UPS DC Fan General Specification 1Electric Strength 5mA max at ... Resistance 10M ohm between lead wire and frame(DC 500V) 3 Life Expectancy(Ball bearing): 50000hrs ... protection and polarity protectionADDA AD6025GP Rack Mount UPS DC Fan detailed specification:1. frame size(mm): 60X60X25 ... ,AS+FG,PWM 9. safety approvals: CE,TUV,UL,cUL ADDA AD6025GP Rack Mount UPS ...