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Fiamm  |  SKU: A046495

A046495 | Genuine Fiamm® Electromagnetic Horn – Low Tone

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Description:
An electromagnetic horn A046495 is a type of vehicle horn that uses electromagnetism to produce sound — it's the most common type of horn used in cars, trucks, motorcycles, and buses worldwide. Electromagnetic Horn – Low Tone, work condition, used take-off Kenworth T880 2024

Part Number: A046495
Condition: Used In Good Condition
Manufacture/Brand: Fiamm

Specifications For A046495:

 Nominal voltage 12 Vdc
Voltage range 11.5-13.8 Vdc
Current consumption 4.5 A
Sound pressure level 125 @ 4" dB(A)
Frequency ‘L’ 405 Hz
Operating temperature -30°C to +80 °C
Storage temperature -30°C to +80 °C
Corrosion resistance > 480 (salt spray test) Hours
Operating relative humidity 30 to 80 %
Durability (1 sec ON, 4 sec OFF) >100,000 Cycles
Continuous blowing > 5 min
Electrical insulation 1,000 Vdc
Vibration (30 min, 3 axis) 1 g


Fits A046495 For Heavy Trucks, Kenworth, Freightliner Cascadia, Range Rover Evoque, Ford Edge
 
Purpose of using A046495:

Power On: When you press the horn button, 12V DC power flows to the horn.

Magnet Activates: The electricity energizes an electromagnet inside the horn.

Diaphragm Vibrates: The magnet pulls on a metal diaphragm, bending it.

Circuit Breaks / Resets: As the diaphragm moves, it breaks the circuit, cutting power.

Vibration Cycle: Power cycles on and off rapidly (about 400–500 times per second).

Sound Is Produced: This rapid vibration creates sound waves—the horn’s tone.


Signs of a Bad Electromagnetic Horn A046495:

Issue Cause
Weak or no sound Corrosion, bad ground, low voltage, or failed diaphragm
Clicking sound only Relay working but horn unit failed
Constant horn Stuck contacts or short circuit
Intermittent horn Loose wiring or poor connection at terminals


About the Manufacturer – FIAMM:

FIAMM is an Italian multinational company specializing in the production and distribution of automotive and industrial batteries, as well as acoustic signaling devices like horns. Founded in 1942 as Fabbrica Italiana Accumulatori Motocarri Montecchio, FIAMM has a rich history of innovation and quality in the energy sector.

Headquartered in Montecchio Maggiore, Italy, FIAMM operates in over 60 countries, with manufacturing facilities in Italy, Switzerland, the United States, the Czech Republic, Brazil, and China. The company serves a diverse range of industries, including telecommunications, data centers, railways, power plants, and petrochemical plants, providing backup power solutions to ensure continuity of energy supply.

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