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2024-08-27
Electromechanical horn S90
Sound for greater safety: Signal horns are required in vehicles by law so that other road users can be made aware of dangerous situations in a clearly audible manner. With its full sound, the HELLA S90 horn is particularly suitable for commercial vehicles. It generates maximum attention with its high sound pressure level.
The S90 horn is operated by the battery current or a control current coming from the steering wheel. This is passed through a relay to generate a voltage dip-free control current. The control current activates the electromagnet of the signal horn. This in turn attracts a metal core or armature, and above it, the steel diaphragm of the horn. The sound is produced by interrupting the power supply when the diaphragm is tightened and the armature and diaphragm return to the original position.
The HELLA S90 horn is available with a low (350 Hz) and a high (415 Hz) tone. The horn produces a sound pressure level of approx. 113 dB(A) at 2 m distance.
Sound for greater safety: Signal horns are required in vehicles by law so that other road users can be made aware of dangerous situations in a clearly audible manner. With its full sound, the HELLA S90 horn is particularly suitable for commercial vehicles. It generates maximum attention with its high sound pressure level.
The S90 horn is operated by the battery current or a control current coming from the steering wheel. This is passed through a relay to generate a voltage dip-free control current. The control current activates the electromagnet of the signal horn. This in turn attracts a metal core or armature, and above it, the steel diaphragm of the horn. The sound is produced by interrupting the power supply when the diaphragm is tightened and the armature and diaphragm return to the original position.
The HELLA S90 horn is available with a low (350 Hz) and a high (415 Hz) tone. The horn produces a sound pressure level of approx. 113 dB(A) at 2 m distance.
The electromechanical horn S90.
Technical drawing of the electromechanical horn S90.
Technical Data
| Diameter | 90 mm |
| Operating voltage |
12V |
| Current consumption | 3.5 max. |
| Power consumption |
42 W |
| Operating temperature | -40 °C to +90 °C |
| Protection class |
IP X9K, IP X7 |
| Type approval | ECE R28 |
| Housing material |
CRCS class EDD |
| Frequency range |
350 Hz (high tone) |
| Sound pressure level | 113 dB (A) |
| Lifetime | 50,000 cycles |
Program Overview
| Variant | Part number | Packaging unit |
|---|---|---|
| 12 V, 415 Hz, high tone, 6.3 mm, flat connector |
3AM 922 200-617 | 40 |
| 12 V, 350 Hz, low tone, DEUTSCH-connector |
3AM 922 200-761 | 1 |
| 12 V, 350 Hz, low tone, DEUTSCH-connector |
3AM 922 200-767 | 40 |