Sino Timers are the global market leader with their range of 7day easy to program digital Timers. I've sold over 1500. Check the great reviews This model TM 627 is very different. It is the Rolls Royce of cyclic delay swirches, (see my other listings for lesser featured models) It's a 1s to 100 hour Digital Time Delay Relay with adjustable on and off duration cycles and used for regularly controlling a switch-on and off cycle. Built-in battery saves the programs for 60 days in case of power failiure. Can be mounted in switchboard or standalone Din rail availalable for $4 pay to bank account)
Model:TM627-4 Temp.range: -20°C+50°C Display: LCD Switch has both:- a) through the Timer 12v switching up to 15A rating terminals and b) Change over Switching contacts - Normally on and normally off. switches up to 250v 16A

Hysteresis less than 1 sec/day (25°C) Mininum interval: 1 Second Capacity: 16A at 12v through theswitch or 16A up to 250 through changeove contacts Black-out: 60 days Timer range: 1s~99hr 59min 59sec Average error: 1s/24h, 25°C Weight: 0.12kg Automatically starts the cycle countdown after power on. Internal rechargeable battery provides continuous LCD screen display and maintains settings. It does not drive the relay putput. CE Safety certification English language manu

This unit can swich off for as little as 1sec every 100hours or alternatively switch on for as little as 1 sec every 100 hours or shorter period.

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