Fan Failure Relays, N17-FFR

Product Description

PROTIME's N17 series Fan Failure relays are 4th Generation Fan Failure relays, it monitors the healthiness of Fans (2 channels) by current flowing through each FAN circuit. It caters to mechanical or electrical failures of FANs. When Fan gets strucked/blocked or winding gets open, the relay status will change.  The relay is provided with fixed time delay to avoid nuisance tripping. The relay has wide auxiliary power supply range from 90 to 270V AC/DC. The N17-FFR relay has two Standard current ranges as per fan size, it is economic yet flexible version of relay, where current range of different Fans gets automatically selected during installation of relay. The two ranges should be selected by user while placing an order as per fan's current consumption. The Fan/s current should be within range selected. each FFR can monitor 2 fans maximum. The relay has inbuilt intelligence to cater the changes in input supply voltage within +5% & -5% of nominal supply voltage.