It isn´t necessary to calibrate the set times, they are fixed and totalled. Operation indicated by an LED. Suitable for e.g. switching off battery chargers and appliances switched on over a long period. Power supply: 12 V Output current: 80 mA Output relay: 5 A/230 V PCB: 9x4 cm.
Electronic kit containing a complete set of components, printed circuit board and instructions, or other elements according to the specification.