Type 83. 01 is a modular timer, 17. 5mm wide, multi-voltage, 1 contact. It has the following functions: , AI: On-Delay, DI: Interval, GI: Pulse delayed, SW: Symmetrical flasher (start pulse On), BE: Off-delay with control signal, CE: On and Off-Delay with control signal, DE: Interval with control signal on, WD: WatchdogFeatures include: Eight time scales from 0. 05 s to 10 days, High input/output insulation, Wide power supply range (24… 240) V AC/DC, “Blade + cross”: Both flat blade and cross-head screwdrivers can be used to adjust the range and function selectors, the timing trimmer, and to disengage the 35 mm rail clip, – New multi-voltage versions with “PWM clever” technology, 35 mm rail (EN 60715) mounting, Compliant with EN 45545-2: 2013 (protection against fire and fumes), EN 61373, (resistance to shock and vibration, category 1, class B) and EN 50155 (resistance to temperature and, humidity, class T1)