The VOTRONIC Start Alarm 124 is an alerter with audible alarm (beeper) and visual alarm (LED) for the starter battery of intervention vehicles with only one battery circuit (according to DIN EN 1789, paragraph 4.3.2). The alarm shall warn the driver early of a battery, which is not capable to start.
DIN 1789 ENAn additional horn or similar alarm device can be connected to a terminal (PNP, plus output, max. 0.5 A). The reset to normal operation is effected automatically, as soon as the motor is running again. The unit is suitable for 12 V and 24 V operation and for all types and brands of lead batteries. The electronic system is protected against humidity; the connection is made in the rear terminal box.
for 12V and 24V battery voltage
max. Alternating current 0.5A
Undervoltage switching: 11.5V at 12V or 23V at 24V battery voltage
Change over voltage: 12.5V at 12V or 25V at 24V battery voltage
Dimensions without connections: 70 x 36 x 17 mm
weighs only 30 grams