Electric piston horn ZET-Horn 90 AC

for ships >200 mIP56

The ZÖLLNER ZET-Horn was the first piston type whistle on the world market driven by an AC 3phase motor. An essential component is the piston inside the cylinder driven by an AC 3phase motor via connecting rod, crankshaft and gearwheels. The piston oscillates at a certain frequency which makes the air inside the sound horn vibrate in resonance to produce a sound audible over a wide range. type: ZET-Horn 90 AC ship's length: >= 200 m frequency: 90 Hz sound pressure level at 1 m: 143 dB motor output: 5.5 kW motor heating: 100 W protection type: IP 56 necessary accessories: Control Box 4476.1