| Operating Voltage Range | 16-29VDC |
| Maximal consumption | 75mA @ 24VDC |
| Maximal sound volume | 102dB @ 1m |
| Frequency range | 2.7-4kHz |
| Frequency of the strobe flashing | 2Hz/0.6W |
| Type of tone | monotone |
| Color LEDs | red |
| Material/Color | ABS, red |
| Dimensions | 94x45x69mm |
SF50 is а conventional fire alarm sounder with strobe and has one input for connection to a conventional fire alarm panel. SF50 is designed for indoor use only. The sounder has compact size and it is suitable for installation on plain surfaces. The mounting is easy without need of disassembling any parts of the sounder’s body. The fixing is done with a single screw.
BOSEC certified.
| Operating Voltage Range | 20-28VDC |
| Maximal consumption (main tone type 27) | |
| – low volume level, without strobe | 8.5 mА @ 24VDC |
| – low volume level, with strobe | 12 mА @ 24VDC |
| – high volume level, without strobe | 22mA @ 24VDC |
| – high volume level, with strobe | 25mA @ 24VDC |
| Sound volume (main tone type 27) | |
| – low volume | 87-96dB @ 1m |
| – high volume | 95-104dB @ 1m |
| Sound volume (other tone types) | |
| – low volume | 82-98dB @ 1m |
| – high volume | 85-104dB @ 1m |
| Frequency of the strobe flashing | 1Hz |
| Wire Gauge for terminals | 0.2 – 1.5mm2 |
| Operating temperature | -10°C ÷ +60°C |
| IP Protection | IP21C |
| Relative humidity resistance | (93 ± 3)% @ +40°C |
| Color | white transparent |
| Material | SAN |
| Weight | ~248g |
| Dimensions | 102x32mm |
