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PF-431 TRMS
Automatic
phase switch
Do not dispose of this device in the trash along with other waste! According to the Law on
Waste, electro coming from households free of charge and can give any amount to up to
that end point of collec� on, as well as to store the occasion of the purchase of new equip-
ment (in accordance with the principle of old-for-new, regardless of brand). Electro thrown
in the trash or abandoned in nature, pose a threat to the environment and human health.
Purpose
The PF-431 True RMS automatic phase switch is used to maintain
the continuity of power supply of single-phase receiver. In the
event of supply phase loss or if the phase exceeds the correct
voltage values, a different phase with the correct parameters will
be directed to the output.
By measuring the RMS value of the voltage (True RMS),
the switch guarantees the correct operation even when
operating with a severely disturbed power supply ne-
twork.
Functioning
A three-phase voltage is applied at the input of the switch.
Voltage of one of the phases is applied at the output of the
switch.
The electronic system of the switch controls RMS values of the
applied phase voltages so that the output voltage is not lower
F&F Filipowski sp. j.
Konstantynowska 79/81, 95-200 Pabianice, POLAND
phone/fax (+48 42) 215 23 83 / (+48 42) 227 09 71
www.fif.com.pl; e-mail: biuro@fif.com.pl
- 1 -
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Summary of Contents for F&F PF-431 TRMS
- Page 1 Konstantynowska 79/81, 95-200 Pabianice, POLAND phone/fax (+48 42) 215 23 83 / (+48 42) 227 09 71 www.fif.com.pl; e-mail: biuro@fif.com.pl PF-431 TRMS Automatic phase switch Do not dispose of this device in the trash along with other waste! According to the Law on Waste, electro coming from households free of charge and can give any amount to up to that end point of collec�...
- Page 2 than 195 V or higher than 280 V. Phase with the correct parame- ters is directed at the output of the switch. The corresponding LED light indicates that the indicated phase is connected to the output of the switch. L1 phase is the priority phase, i.e. that if its parameters are correct, this phase will be always switched to the output.
- Page 3 The protection works only when switching from a lo- wer priority phase to a phase with a higher priority (for example from L2 to L1). It does not work when switching to a lower priority phase (for example from L1 to L2). Mounting 1.
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Page 4: Wiring Diagram
Wiring diagram The outputs 9, 10, 11 are connected in parallel, which means that the output signal is available on each of them. - 4 -... -
Page 5: Technical Data
power supply input – L1 phase power supply input – L2 phase power supply input – L3 phase power supply input – neutral N-wire 9-11 power supply output Technical data input voltage 3×400 V+N output voltage 230 V AC maximum load current (AC-1)* 16 A minimum voltage value L1, L2, L3 190 V... -
Page 6: Warranty
Warranty F&F products are covered by a 24-month warranty from the date of purchase. The warranty is only valid with proof of purchase. Contact your dealer or contact us directly. CE declaration F&F Filipowski sp. j. declares that the device is in conformity with the essential requirements of The Low Voltage Directive (LVD) 2014/35/EU and the Electromagnetic Compatibility (EMC) Directive 2014/30/UE.
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