New Sinwan Electric Industries Co., Ltd.
Sinwan AC motors 380V, 440~480V UL/CUL approved!
Sinwan AC Metal Fans IP55, 56, 67 approved!
AC Alarm FAN
When power supply is not steady, or some reason to cause the fans slowing down, the SINWAN Fans Alarm, R/D sensor device will detect it and deliver its signals to the Alarm Devices (such as LED, Lamp, or Beeper)
AC & DC Axial Metal Fan Guide (PDF / 6.87m)
AC Axial Fan Plastic Impeller
(PDF / 6.17m)