Hella BM20 Backup and Warning Alarms

The BM20 Backup and Warning?alarm is an indispensable element in high-risk work environments and can actively prevent accidents with its high frequency alarm. As soon as reverse gear is engaged, a warning tone is emitted to indicate the vehicle is reversing. The B20 models feature a white noise reversing tone, which reduces noise pollution, with a model also offering automatic sound level adjustment to suit all environments. Clear, long range alarm sound BM20 range features white noise tone Electronics sealed from dust and moisture Low power consumption SPECIFICATION Mounting Universal mounting bracket for upright, pendant or surface mounting. Voltage 12V-36V Power Consumption Max 12W Sound Level 3SL 996 139-501 – BM20 Warning Alarm – White Noise – 92 dB(A) 3SL 996 139-511 – BM20 Warning Alarm – White Noise – 97 dB(A) 3SL 996 139-531 – BM20 Warning Alarm – White Noise – 92-102 dB(A) Temperature Operating range -40?C to 85?C. Protection Reverse polarity protection IP 6K7 (Enhanced protection against dust and water immersion) Cable Length Supplied with 140mm sheathed cable with DT socket Compliance ECE-R10, SAE J994 Accessories 8JA 959 736-811 – 2 Pole DT plug, wedge and 2 contacts 8KB 958 757-501 – 2.0m sheathed cable with DT plug