Hella Backup and warning alarm BM40
R0,00
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.
The MotoVox Compact horns for mining are available with 107 dB, 112 dB and 117 dB. All three variants are electronic horns with a very long service lifetime. Moreover, they meet or exceed all applicable SAE specifications and are primarily used by major OEMs.
Specifications
| Rated voltage |
12 – 32 V |
| Sound pressure level at 1.2 m | 87 – 112 dB (A) |
| Frequency range |
80 – 140 Hz 140 ± 200 Hz (-551 and -571) |
| Power consumption |
BM20: 12 W BM40: 18 W |
| Current consumption |
BM20: ≤ 1.5 A BM40: ≤ 1.6 A |
| Operating temperature | -40 °C to +85 °C |
| Degree of protection |
BM20: IP 6K7 BM40: IP 65 |
| Housing material |
BM20: PA66 + 15% GA BM40: PA60 |
| Type approval |
ECE-R10 and SAE J994 |
More safety when backing up: The HELLA BM20 and BM40 backup alarms can help prevent accidents in dangerous and unclear working and manoeuvring situations, especially in commercial vehicles with limited visibility to the rear. The flush mounting of a backup alarm is required by law in some countries for such cases.
With their piercing warning tone, HELLA backup alarm systems ensure additional safety for all road users. The warning tone is generated when the reverse gear is engaged. Road users are warned of the vehicle backing up in good time. The backup alarms are available in different volumes to meet the requirements of different working situations. For example, backup alarms with a volume of about 90 dB are usually used in city traffic and backup alarms with a volume of 100 dB are usually used on noisy construction sites. Just 3 dB more in volume is perceived as twice as loud by the human ear.
The HELLA backup alarms are extremely resistant and protected against moisture and vibrations due to the housing made of fibreglass-reinforced nylon and the electronics cast in epoxy resin.
| BM40 | ||
| Standard, 150 mm cable with DEUTSCH connector | Low: 97 dB(A) Medium: 107 dB(A) High: 112 dB(A) |
3SL-996139-551 |
| White noise + Standard, 150 mm cable with DEUTSCH connector | Low: 92 dB(A) Medium: 102 dB(A) High: 107 dB(A) |
3SL-996139-561 |
| Smart, 150 mm cable with DEUTSCH connector | 92 – 112 dB(A) | 3SL-996139-571 |
| Smart + White noise, 150 mm cable with DEUTSCH connector | 92 – 107 dB(A) | 3SL-996139-581 |
Additional information
| Variant | Standard, 150 mm cable with DEUTSCH connector, White noise + Standard, 150 mm cable with DEUTSCH connector, Smart, 150 mm cable with DEUTSCH connector, Smart + White noise, 150 mm cable with DEUTSCH connector |
|---|---|
| Sound pressure level at 1.2 m | Low: 97 dB(A) Medium: 107 dB(A) High: 112 dB(A), 92 – 112 dB(A), 92 – 107 dB(A) |
