Switching power supply unit. Rated capacity 6W. Standby loss 0.1 watt only. Built-in device for installation. 45mm long, 45mm wide, 33mm deep. Input voltage 230V (-20% up to +10%). Efficiency 81%. Stabilised output voltage ±1%, low residual ripple. Short-circuit proof. Overload protection and over-temperature switch-off by means of swichting off with automatic switching-on after fault clearance (autorecovery function).