Fail Safe Flasher (FSF)

Fail Safe Flasher (FSF)

SPECIFICATION NO. : RDSO/SPN/173/2002

DESCRIPTION :

Fail Safe Flasher is designed to work at 24V input with variation +30% to -10% ,giving flashing output of 24V DC ±20% at 3A with 50 ± 2 flashes per minute. Microcontroller is used to make the design of the flasher as fail safe so that no steady output is delivered in case of any failure.

TECHNICAL DETAILS :

The electronic flasher device shall operate satisfactorily either from primary or secondary cells or unsmooth full-wave rectifier supply (true RMS) from single phase,50 Hz sinusoidal AC supply. The rated current, voltage and ambient temperature shall be as follows:-

Input voltage :	>24V, +30%, -10%
Output voltage :	24V±20%
Output Current :	3Amps.
Flash Rate :	50±2 flashes per minutes.
Duty Cycle :	'ON' time for the flashing output shall be 44% to 46% of the duty cycle.
Operating Temperature :	-10°C to 70°C & 95% RH