The right switch for every application: The extensive HELLA modular switch range offers the right switch for almost every application thanks to a wide range of configuration options for functions and switch symbols. The series allow all areas of application to be optimally covered. Series 4570: Belongs to the basic programme that has proven itself for simple electrical systems for more than 20 years. The symbol discs are available in different colours according to DIN or customer request. The symbols are illuminated by incandescent lamps or LEDs, which can be ordered as accessories. The symbol discs are available in different colours according to DIN or customer request. All symbols can be displayed. The symbols are illuminated by incandescent lamps or LEDs. The switch and control panels can be illuminated with 12 V bulbs, 24 V bulbs or LEDs. There are both single-stage and two-stage switches; as louvres and push-buttons. Mounting strips for forming switch rows and combinations complete the range.