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 comes with one tone: low.
Technical parameters
- working voltage: 24 V
- Voltage range: 23 - 27.6 V
- absorbed current: 2.5 A
- sound power level at 2 metres from the source: 109 dB (A)
- fundamental frequency: 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