Automatic phase switch with adjustable lower and upper voltage threshold PF-421-TRMS

power supply 3×230 V+N
minimum operating voltage (when powered from one phase) 85 V
maximum phase voltage 420 V
operating frequency 45÷55 Hz
cooperation with power generators no
maximum load current (AC-1) 16 A
mechanical strength of 1×107 contacts
electrical strength of contacts (16 A/AC-1) 1×105
signal sampling frequency 4 kHz
actuator element 3×relay
return hysteresis 10 V
Vmin setting range 160÷220 V
Vmax setting range 240÷280 V
voltage measurement error ±1%
switching time max. 200 s
return time 5÷300 s
3×LED input voltage signaling
power consumption 1.5 W
operating temperature -25÷50°C
connection screw terminals 4.0 mm2
tightening torque 0.5 Nm
dimensions 2 modules (35 mm)