sfor Time switch controls any electrical installation by means of daily programs.Installation:The switch is protected internally against interference by a safety device, however, partically strong electromagnetic fields may alter its operation.Such interference can be avoided by adhering to the following recommendations during the installations:-The device should not be installed near inductive loads(motors, for transformers, contactors,etc...).-A separate power line is recommended(equipped with a filter if necessary).-Inductive loads should be equipped with interference suppressors(varistor, RC filter).If the for time switch is to be used in combination with other devises; it is necessary to verify that no parastic disturbances will be caused by the group.Application:SUL180a can be widely used in the neon lights, water heaters, street lamps, staircase lights, aquaculture, garden watering, motors, advertising boxes, office automation and other civilian or industrial electricity needs for time control of the occasion, according to the required for time for automatic control. Specifications:Auxiliary Power Supply: 110-240V AC, 45/60HzSwitching Contact: 16(4) A 240V ACBurden: 0.5WPrecision: 3sec./24h at 22Working Temperature: -10 to +50Storage Temperature: -25to +70Drive Mode: Quartz MotorBack-up Time: 100hType of Dial: Daily 96 PinsMinimum Setting Interval: Daily 15 MinutesManual Operating Switch: 2 Positions: ON-AutomaticDimensions: 1 Dinfor Protection Degree: IP20 as per EN60529Max Length: 90.4mm/3.56"Width: 17.7mm/0.7"Height: 59.2mm/2.33"Quantity: 1 Set Note:Please allow 1-3mm error due to manual measurement.pls make sure you do not mind before you bidDue to the difference between different monitors, the picture may not reflect the actual color of the item.Thank youPackage Contents:1 x for Time Switch1 x User Manual