RTFX – THREE PHASE FILTERING INDUCTORS FOR CAPACITOR BANKS, 7%

For protection of capacitors against harmonics. Line voltage 400 V at 50 Hz.
Series:  RTF
Filtering inductors for capacitor banks
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  • Inductances for capacitors protection
  • Low temperature rise

PRODUCTS IN THIS FAMILY

Reference Description Capacitor rating Effective rating Current
RTFX5 filtering inductor for capacitor bank 5 kvar / 440V 4,4 kvar 6,8 A
RTFX10 filtering inductor for capacitor bank 10 kvar / 440V 8,9 kvar 13,6 A
RTFX12.5 filtering inductor for capacitor bank 12,5 kvar / 440V 11,1 kvar 17,0 A
RTFX15 filtering inductor for capacitor bank 15 kvar / 440V 13,3 kvar 20,4 A
RTFX20 filtering inductor for capacitor bank 20 kvar / 440V 17,8 kvar 27,2 A
RTFX25 filtering inductor for capacitor bank 25 kvar / 440V 22,2 kvar 34,0 A
RTFX30 filtering inductor for capacitor bank 30 kvar / 440V 26,7 kvar 40,8 A
RTFX40 filtering inductor for capacitor bank 40 kvar / 440V 35,5 kvar 54,4 A
RTFX50 filtering inductor for capacitor bank 50 kvar / 440V 44,4 kvar 68 A
RTFX60 filtering inductor for capacitor bank 60 kvar / 440V 53,3 kvar 82 A
RTFX80 filtering inductor for capacitor bank 80 kvar / 440V 71,1 kvar 109 A
RTFX100 filtering inductor for capacitor bank 100 kvar / 440V 88,8 kvar 136 A

DIMENSIONS AND WEIGHTS

Reference Filtering inductor Capacitor rating Dimensions mm Weight kg Fig
A B C D E Ø
RTFX5 filtering inductor 5 kvar / 440V 150 111 185 85 100 9 5.6
RTFX10 filtering inductor 10 kvar / 440V 150 126 185 100 100 9 7.6
RTFX12.5 filtering inductor 12,5 kvar / 440V 150 141 185 115 100 9 9.5
RTFX15 filtering inductor 15 kvar / 440V 180 126 220 100 120 9 11.1
RTFX20 filtering inductor 20 kvar / 440V 180 131 220 105 120 9 12.1
RTFX25 filtering inductor 25 kvar / 440V 180 141 220 115 120 9 14
RTFX30 filtering inductor 30 kvar / 440V 180 156 220 130 120 9 16.8
RTFX40 filtering inductor 40 kvar / 440V 180 176 220 150 120 9 20.9
RTFX50 filtering inductor 50 kvar / 440V 180 186 220 160 120 9 22.9
RTFX60 filtering inductor 60 kvar / 440V 180 201 220 175 120 9 25.8
RTFX80 filtering inductor 80 kvar / 440V 240 161 290 135 160 9 33.2
RTFX100 filtering inductor 100 kvar / 440V 240 186 290 160 160 9 40.8

TECHNICAL CHARACTERISTICS

Isolation Class F – 155ºC
Winding Class HC – 200ºC
Harmonic currents I3 = 8 %, I5 = 31 %, I7 = 13 %
Thermal over load factor 5 %
Resonance frequency 189 Hz (P = 7 %)
Frequency 50 Hz
Protection degree IP-00
Includes Bimetal thermal protection against over temperature
Temperature rise < 85 ºC
Standards IEC/EN/UNE-EN 60076-6, CE
Over current In 6 %
Ambient temperature 45ºC
Capacitor voltage 440 V
Line voltage 400 V
Test voltage 3 kV (1 min, 50 Hz)
Inductance tolerance +/- 3 %
  • Avoids resonance between the inductance of the supply transformer and the capacity of the capacitor bank
  • Eliminates over voltage and over current in the transformer and the capacitor bank
  • Protects capacitors against harmonics, avoiding premature breakdown of the capacitor bank
  • Limits the connection spikes of the capacitor bank, extending its lifetime and reducing microcuts in the voltage
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