Timer - Digital time switch 110...240VAC TR 644 top2

Timer - Digital time switch 110...240VAC TR 644 top2 – Theben – 6440100 – 4003468644232: Time switch TR 644 top2 DIN rail mounting, number of channels 4, supply voltage 110 ... 240V, type of supply voltage AC, frequency of supply voltage 50 ... 60Hz, power reserve in years 8, accuracy per day 0.5s, text guidance in the display , External programming, 60 min program, 24 h program, weekly program, annual program, holiday program, pulse program, cycle program, astro program, random program, operating hours counter, quartz-controlled, changeover contact, shortest switching time channel 1 0.016min, shortest switching time channel 2 0.016min, number of memory locations 800, automatic summer/winter time changeover, manual operation, external button input, switching preselection, nominal switching current at 250 V AC 16A, potential-free switching contact, protection class (IP) IP20, width in modular units 4, width 72mm, height 86mm, depth 60mm, 4-channel yearly time switch , series installation housing, width 4 HP, annual and astro program, interface for OBELISK top2 memory card (P C programming), 6 years power reserve (lithium battery), automatic summer/winter time changeover, ON-OFF switching times, pulse program, cycle program, extensive annual clock functions, astronomical switching function (automatic calculation of sunrise and sunset times for the whole year), astro Offset, astro impulse, switching preselection, permanent ON/OFF switching, expiry timer, integrated operating hours counter, external button/switch input, holiday program, 2 random programs, display lighting (can be switched off), PIN coding, zero crossing switching, DuoFix spring terminals for 2 wires each