Flush-mounted staircase time switch electronic. Multi-functional device with 12 available functions set at the front of the device.

Flush-mounted staircase time switch, electronic. Multi-functional device with 12 available functions, set at the front of the device. Switch or push button connectable, i.e. existing switches can be used (e.g. when updating). Additional multi-voltage input electrically isolated for AC/DC 8...240 V, e.g. for intercoms. Switch-off pre-warning (two double flashes) in accordance with DIN 18015-2 to avoid sudden darkness. 60 min. extended function activated via long button press. Immediate secondary switching (stair light switch) or prematurely switched off (pulse switch with switch-off delay). Suitable for upgrades and new installation. Zero-cross switching for relay-saving switching and high lamp loads. Push button input with electronic overload protection. Automatic 3 or 4 conductor detection (4 conductor with connection for floor lighting, 3 conductor no longer permitted for new systems).