FIAMM TR99 worm horn, 24V

The TR99 worm horn was designed and developed by FIAMM SpA. It is particularly suitable for mounting on trucks and industrial vehicles. The aftermarket kit, supplied in a FIAMM branded box, is complete with fixing material and switching relay. The TR99 has a standard electrical connection using two 6.3 mm contacts and is assembled in a set of two different tones: high and low.

Technical parameters

- operating voltage: 24 V

- Voltage range: 23 - 27.6 V

- absorbed current: 5 A

- sound power level at 2 metres from the source: 112 dB (A)

- Base frequency: 420/500 Hz

- operating temperature: -30 ºC - +80 ºC

- hours of exposure to salt spray (corrosion resistance): >480

- relative humidity: 30-80 %

- Endurance test: >50,000 off/on cycles (1 s on / 4 s off)

- continuous operation: >3 min

- electrical insulation: 1000 V

- Vibration (30min/3axis): 1 g

- weight 320 g (1pc)

- material: ABS plastic/steel

- homologation: ECE R10, ECE R28, CEE 2009/19

- Connection: 2x terminal 6,3 x 0,8 mm

- dimensions: 89 x 97 x 107 mm