Box contents: 1 piece. The NFA power panel switch-off machine monitors the circuit and switches off the mains voltage as soon as the last consumer is switched off, only 2.5 V monitoring DC voltage, switch-on and holding threshold separately adjustable, switching status display via LED, display of the holding threshold via LED; rated voltage: 230 V; rated current: 16 A; rated frequency: 50. 60 Hz; Switch-on threshold current: 5..200 mA; Monitoring voltage: DC; Mounting type: DIN rail; Width in pitch units: 1; Installation depth: 55 mm