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Manufacturer	F&F
Type of automation module	voltage monitoring relay
Controlled parameter	overvoltage, phase failure, undervoltage
Mounting	for DIN rail mounting
Manufacturer series	PF
Additional functions	LED status indicator
Operating temperature	-25...50°C
Leads	screw terminals
IP rating	IP20
Max. operating current	16A
Voltage between phases (for three phase system)	3 x 230V AC
True effective value measurement	True RMS
Trade name	automatic phase switch

PF-421-TRMS

Voltage monitoring relay; for DIN rail mounting; PF; IP20; 16A

Specification