Klaxon SO4 Series Motor Sirens

Klaxon SO4 Series Motor Sirens


Klaxon SO4 Series – Motor Driven Sirens for Industrial Signalling Applications

The SO4 is a weatherproof motor driven siren designed for vertical mounting and designed for outdoor warning over small/medium areas. Manufactured from cast aluminium, it is rugged in construction, has a continuous rating and is built for a long life outdoors.


  • Operational Characteristics: 
– Motor driven sirens up to 125dB @ 1m (240V).
– Sound Frequency: 900Hz.
– Low penetrating tone.
– Weatherproof.
– Voltage tolerance: +/- 10%.
– Protection Rating: IP55.
– Temp Rating: -30 to +45 degrees Celsius.
– Rating: continuous.
– Cable Entry: 20mm.
– Construction: Aluminium alloy, robust design.


Order Code Description
SEC1310  SO4, 110VAC/DC, 3.7A, 125dB @ 1m.
SEC1340  SO4, 240VAC/DC, 2.1A, 125dB @ 1m.


  • (please see linked PDF’s for further information)