Sangamo Time Switch Quartz Solar 13 SPST 50 ° North 20A 3Pin E/Off

A Solar Time Switch which is for use on areas in the south of England and Wales. It can be used for stairwell, security and street lighting. When it is set, the switch automatically tracks sunset and sunrise all year round. It can be left unattended for years and it will continue to operate. This means that maintenance is greatly reduced. The Sangamo Q550 solar dials are available in 4 variations. The item you require is dependent on the area in the British Isles in which the unit will be installed. This is because the switch is adjusted to match any differences in sunset and sunrise times. Sangamo Q550 Solar Dials come in 4 variations depending on where you are in the British Isles the switch is adjusted to match the slight differences in sunrise and sunset times. Simply locate where you are on the map and add the number on to the end of the part number or select the equivalent zone.