Sinusoidal Filters

Sinusoidal filters are passive components used to provide electrical circuits with the correct frequencies to ensure optimal performance. These elements, also called sine wave filters, are low pass devices which means they let low-frequency signals pass but block or impede high-frequency signals.

Circuits requiring longer cables usually have sinusoidal filters to convert rectangular pulse width modulation (PWM) signals into smooth wave voltage. This will prevent premature circuit damage and prolong the lifespan of AC motor drives by reducing stress on the motor's insulation.

What are sinusoidal filters used for?

Sinusoidal filters protect motor windings and bearings from damage due to voltage spikes, cable stripping, current loss and overheating.

These filters are used in equipment such as pumps, ventilators, conveyors, compressors, elevators and cranes.

Types of sinusoidal filters

Enclosed or open panel versions exist:

  • Enclosed filters come in pre-packed boxes and can be installed onsite for immediate use without any adjustments, mounting or wiring needed.
  • Open panel filters are assembled leaving the back panel accessible for the user to mount and wire as preferred.

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Omschrijving Prijs Maximum Voltage Rating Series Maximum Current Rating Switching Frequency Dimensions Depth Height Length Maximum Operating Temperature Minimum Operating Temperature
RS-stocknr. 739-6395
FabrikantnummerMR3 400/18
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690 V ac MR3 18A 8kHz 120 x 140 x 140mm 140mm 140mm 120mm +40°C -10°C
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520 V ac SFB 10A 8kHz 120 x 155 x 160mm 155mm 160mm 120mm +40°C -
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RS-stocknr. 739-6437
FabrikantnummerLR3 40-4/10
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690 V ac LR3 10A - 120 x 85 x 140mm 85mm 140mm 120mm +40°C -10°C
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FabrikantnummerMR3 400/42
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116,79 €
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690 V ac MR3 42A 8kHz 155 x 110 x 177mm 110mm 177mm 155mm +40°C -10°C
RS-stocknr. 739-6409
FabrikantnummerMR3 400/30
FabrikantBlock
128,20 €
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Aantal stuks
690 V ac MR3 30A 8kHz 155 x 95 x 162mm 95mm 162mm 155mm +40°C -10°C
RS-stocknr. 739-6412
FabrikantnummerLR3 40-4/2
FabrikantBlock
23,91 €
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Aantal stuks
690 V ac LR3 2A - 78 x 56 x 100mm 56mm 100mm 78mm +40°C -10°C
RS-stocknr. 866-1864
Fabrikantnummer3AFU400-035
FabrikantFUSS-EMV
389,17 €
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3 x 500 V ac 3AFU400 35A - 220 x 192 x 290mm 192mm 290mm 220mm +40°C -
RS-stocknr. 739-6440
FabrikantnummerLR3 40-4/35
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166,69 €
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690 V ac LR3 35A - 155 x 110 x 177mm 110mm 177mm 155mm +40°C -10°C
RS-stocknr. 702-4056
FabrikantnummerB84143V0011R127
FabrikantEPCOS
404,17 €
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Aantal stuks
520 V ac B84143V 11A 8kHz - - - - - -
RS-stocknr. 739-6389
FabrikantnummerMR3 400/8
FabrikantBlock
59,20 €
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690 V ac MR3 8A 8kHz 96 x 69 x 117mm 69mm 117mm 96mm +40°C -10°C
RS-stocknr. 739-6415
FabrikantnummerMR3 400/48
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132,45 €
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690 V ac MR3 48A 8kHz 185 x 102 x 210mm 102mm 210mm 185mm +40°C -10°C
RS-stocknr. 866-1868
Fabrikantnummer3AFU400-080
FabrikantFUSS-EMV
564,42 €
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Aantal stuks
3 x 500 V ac 3AFU400 80A - 220 x 214 x 540mm 214mm 540mm 220mm +40°C -
RS-stocknr. 883-8169
FabrikantnummerFN5030-55-34
FabrikantSchaffner
1.581,82 €
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Aantal stuks
1000 V dc FN 5030 55A 6 → 15kHz 354 x 250 x 200mm 250mm 200mm 354mm +100°C -25°C
RS-stocknr. 883-8187
FabrikantnummerFN5040-260-99
FabrikantSchaffner
3.448,82 €
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Aantal stuks
500 V ac FN 5040 260A 3 (Min)kHz 450 x 240 x 450mm 240mm 450mm 450mm +70°C -25°C
RS-stocknr. 111-5322
FabrikantnummerB84143V0006R127
FabrikantEPCOS
287,18 €
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Aantal stuks
520 V ac B84143V 6A - 283 x 110 x 290mm 110mm 290mm 283mm - -
RS-stocknr. 883-8311
FabrikantnummerFN530-16-99
FabrikantSchaffner
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Aantal stuks
850 V dc FN 530 16A 6 → 20kHz 350 x 140 x 230mm 140mm 230mm 350mm +100°C -25°C
RS-stocknr. 739-6392
FabrikantnummerMR3 400/13
FabrikantBlock
71,97 €
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Aantal stuks
690 V ac MR3 13A 8kHz 120 x 85 x 140mm 85mm 140mm 120mm +40°C -10°C
RS-stocknr. 739-6471
FabrikantnummerLR3 40-4/90
FabrikantBlock
305,58 €
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Aantal stuks
690 V ac LR3 90A - 267 x 149 x 200mm 149mm 200mm 267mm +40°C -10°C
RS-stocknr. 883-8213
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500 V ac FN 5040 880A 2 (Min)kHz 882 x 370 x 882mm 370mm 882mm 882mm +70°C -25°C
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