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
FabrikantBlock
81,72 €
Each
Aantal stuks
690 V ac MR3 18A 8kHz 120 x 140 x 140mm 140mm 140mm 120mm +40°C -10°C
RS-stocknr. 739-6355
FabrikantnummerSFB 400/10
FabrikantBlock
367,91 €
Each
Aantal stuks
520 V ac SFB 10A 8kHz 120 x 155 x 160mm 155mm 160mm 120mm +40°C -
RS-stocknr. 739-6437
FabrikantnummerLR3 40-4/10
FabrikantBlock
53,31 €
Each
Aantal stuks
690 V ac LR3 10A - 120 x 85 x 140mm 85mm 140mm 120mm +40°C -10°C
RS-stocknr. 866-1830
Fabrikantnummer3AFS400-035 IG
FabrikantFUSS-EMV
713,01 €
Each
Aantal stuks
3 x 500 V ac 3AFS400 35A - 270 x 235 x 300mm 235mm 300mm 270mm +40°C -
RS-stocknr. 739-6478
FabrikantnummerLR3 40-4/115
FabrikantBlock
402,72 €
Each
Aantal stuks
690 V ac LR3 115A - 291 x 179 x 210mm 179mm 210mm 291mm +40°C -10°C
RS-stocknr. 702-4056
FabrikantnummerB84143V0011R127
FabrikantEPCOS
394,91 €
Each
Aantal stuks
520 V ac B84143V 11A 8kHz - - - - - -
RS-stocknr. 866-1852
Fabrikantnummer3AFU400-010
FabrikantFUSS-EMV
234,33 €
Each
Aantal stuks
3 x 500 V ac 3AFU400 10A - 70 x 142 x 245mm 142mm 245mm 70mm +40°C -
RS-stocknr. 457-6264
FabrikantnummerRWK 305-10-KL
FabrikantSchaffner
166,93 €
Each
Aantal stuks
400 V ac RWK 305 10A 2 → 16kHz 100 x 70 x 115mm 70mm 115mm 100mm +100°C -25°C
RS-stocknr. 457-6270
FabrikantnummerRWK 305-17-KL
FabrikantSchaffner
196,99 €
Each
Aantal stuks
400 V ac RWK 305 17A 2 → 16kHz 80 x 125 x 140mm 80mm 140mm 125mm +100°C -25°C
RS-stocknr. 739-6462
FabrikantnummerLR3 40-4/80
FabrikantBlock
217,01 €
Each
Aantal stuks
690 V ac LR3 80A - 210 x 125 x 240mm 125mm 240mm 210mm +40°C -10°C
RS-stocknr. 739-6487
FabrikantnummerLR3 40-4/125
FabrikantBlock
402,31 €
Each
Aantal stuks
690 V ac LR3 125A - 291 x 179 x 210mm 179mm 210mm 291mm +40°C -10°C
RS-stocknr. 866-1868
Fabrikantnummer3AFU400-080
FabrikantFUSS-EMV
564,42 €
Each
Aantal stuks
3 x 500 V ac 3AFU400 80A - 220 x 214 x 540mm 214mm 540mm 220mm +40°C -
RS-stocknr. 739-6373
FabrikantnummerMR3 400/2,5
FabrikantBlock
26,94 €
Each
Aantal stuks
690 V ac MR3 2.5A 8kHz 78 x 63 x 100mm 63mm 100mm 78mm +40°C -10°C
RS-stocknr. 866-1808
Fabrikantnummer3AFSAP400-016.060
FabrikantFUSS-EMV
1.010,66 €
Each
Aantal stuks
3 x 500 V ac 3AFSAP400 16A - 205 x 176 x 268mm 176mm 268mm 205mm +40 (without power derating) °C, +60 (with power derating) °C -20 (without power derating) °C, +40 (with power derating) °C
RS-stocknr. 739-6471
FabrikantnummerLR3 40-4/90
FabrikantBlock
305,58 €
Each
Aantal stuks
690 V ac LR3 90A - 267 x 149 x 200mm 149mm 200mm 267mm +40°C -10°C
RS-stocknr. 739-6443
FabrikantnummerLR3 40-4/25
FabrikantBlock
116,08 €
Each
Aantal stuks
690 V ac LR3 25A - 155 x 110 x 177mm 110mm 177mm 155mm +40°C -10°C
RS-stocknr. 866-1842
Fabrikantnummer3AFS400-080
FabrikantFUSS-EMV
1.756,41 €
Each
Aantal stuks
3 x 500 V ac 3AFS400 80A - 360 x 320 x 330mm 320mm 330mm 360mm +40°C -
RS-stocknr. 883-8248
FabrikantnummerFN5045-410-99
FabrikantSchaffner
5.915,78 €
Each
Aantal stuks
500 V ac FN 5045 410A 3 (Min)kHz 780 x 534 x 500mm 534mm 500mm 780mm +70°C -25°C
RS-stocknr. 739-6392
FabrikantnummerMR3 400/13
FabrikantBlock
66,28 €
Each
Aantal stuks
690 V ac MR3 13A 8kHz 120 x 85 x 140mm 85mm 140mm 120mm +40°C -10°C
RS-stocknr. 111-5328
FabrikantnummerB84143V0066R227
FabrikantEPCOS
764,20 €
Each
Aantal stuks
520 V ac B84143V 66A - 480 x 176 x 430mm 176mm 430mm 480mm - -