Mechanical Din Rail Electronic Staircase Lighting Timer With Switch Off Early Warning

ATS16 Electronic staircase timer Multi-function ,Timing alternating relay with early warning "switch-off early warning Features Range of electronic staircase timers 18mm wide Time setting from 30 seconds to 20 minutes "Zero crossing" load switching "switch-off early warning" Suitable for 3 or 4 wire systems, with automatic recognition LED status indicators Cadmium free contact material Can be used with illuminated push - buttons "Blade + cross" - both flat blad