Fire safety products Sounders

FNM-420U Sounders, uninterruptible:
- Uninterruptible alarm signaling, even in the LSN stub
- Maximum current consumption of less than 4.35mA
- Volume of up to 101.3dB(A)
- Immediate synchronization
- Long life cycle and modern design

FNM-420-B-RD Sounder Outdoor:
- Volume of up to 102.5dB(A)
- Maximum current consumption of less than 4.05mA
- Up to 75 sounders per LSN 0300 A loop and 100 per LSN 1500 A loop
- Immediate synchronization
- 32 different tone types can be selected (incl. DIN tone)

FNM-420-A Sounder Indoor:
- Volume of up to 101.3dB(A)
- Maximum current consumption of less than 4.05mA
- Up to 100 sounders per LSN loop
- Immediate synchronization
- 32 different tone types can be selected (incl. DIN tone)


Electrical:
Operating voltage x 15 V DC to 33 V DC
Quiescent state x less 1.0 mA
Alarm x <4.05 mA

Mechanics:
Connections (inputs/outputs) x 0,28 mm² to 2,5 mm²
Dimensions (H x W x D) x 105 x 105 x 95 mm (outdoor: 110 x 110 x 95 mm)
Housing
Material x Plastic, ABS
Color x red, similar to RAL 3001 (white, similar to RAL 9010)
Weight
Without packaging x 250 g
With packageing x 300 g

Environmental conditions:
Permissible operating temperature x -25 °C to +70 °C (FNM-420 U: -20°C to +70°C)
Permissible storage temperature x -25 °C to +85 °C (FNM-420U: -20°C to +70°C)
Protection class as per EN 60529 xFNM-420-A: IP 42 * (FNM-420-B: IP 66 *) (FNM-420U: ---)

Special features:
Sound pressure level at a distance of 1 m x max. 101.3 dB(A) (FNM-420-B: 102.5 dB(A))
Frequency range x 440 Hz up to 2,90 kHz