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. Series 3100 - for robust and waterproof applications: It meets the requirements of protection class IP 68 (dust and waterproof). The series is ideal for use in agricultural and construction machinery due to its high reliability under extreme conditions. Added to this is the simple installation through direct installation in the mounting opening or with modular mounting frames. Choose from a variety of standard and customised symbols. These abrasion-resistant, lasered symbols are illuminated by integrated LEDs. The following types are available: On / off switch (0-I), toggle switch (0-I-II, I-0-II), hazard warning switch, lockout switch. In addition to a large selection of different switches and functions, we offer individual, abrasion-resistant laser inscription alongside standard symbols - so customers can specify their own desired symbols. Always included: The high HELLA quality. The module switches are mounted in a latching manner via a predefined installation opening either directly or by means of a mounting frame. In addition to individual frames, modular intermediate and end pieces are available so that a switch strip can be created. Matching mating connectors, indicator lights and disassembly tools round off the range of accessories.