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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Filters

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Description Price Maximum Voltage Rating Series Maximum Current Rating Switching Frequency Dimensions Depth Height Length Maximum Operating Temperature Minimum Operating Temperature
RS stock no. 866-1833
Mfr. Part No.3AFS400-010 IG
BrandFUSS-EMV
R 7,481.02
Each
units
3 x 500 V ac 3AFS400 10A - 165 x 160 x 250mm 160mm 250mm 165mm +40°C -
RS stock no. 883-8181
Mfr. Part No.FN5040-410-99
BrandSchaffner
R 99,026.72
Each
units
500 V ac FN 5040 410A 3 (Min)kHz 480 x 240 x 596mm 240mm 596mm 480mm +70°C -25°C
RS stock no. 754-6099
Mfr. Part No.FN5040-17-83
BrandSchaffner
R 10,154.48
Each
units
500 V ac FN5040 17A 16kHz 190 x 115 x 224mm 115mm 224mm 190mm +70°C -25°C
RS stock no. 866-1820
Mfr. Part No.3ACMF400-150.060
BrandFUSS-EMV
R 64,163.39
Each
units
3 x 500 V ac 3ACMF400 150A - 350 x 400 x 180mm 180mm 350mm 400mm +40°C -
RS stock no. 883-8232
Mfr. Part No.FN5045-260-99
BrandSchaffner
R 85,343.55
Each
units
500 V ac FN 5045 260A 3 (Min)kHz 650 x 500 x 400mm 500mm 400mm 650mm +70°C -25°C
RS stock no. 111-5322
Mfr. Part No.B84143V0006R127
BrandEPCOS
R 6,029.89
Each
units
520 V ac B84143V 6A - 283 x 110 x 290mm 110mm 290mm 283mm - -
RS stock no. 883-8165
Mfr. Part No.FN5030-25-33
BrandSchaffner
R 18,919.65
Each
units
1000 V dc FN 5030 25A 6 → 15kHz 310 x 200 x 162mm 200mm 162mm 310mm +100°C -25°C
RS stock no. 883-8159
Mfr. Part No.FN5020-55-34
BrandSchaffner
R 38,441.12
Each
units
1000 V dc FN 5020 55A 6 → 15kHz 554 x 250 x 203mm 250mm 203mm 554mm +100°C -25°C
RS stock no. 883-8213
Mfr. Part No.FN5040-880-99
BrandSchaffner
R 248,382.77
Each
units
500 V ac FN 5040 880A 2 (Min)kHz 882 x 370 x 882mm 370mm 882mm 882mm +70°C -25°C
RS stock no. 883-8175
Mfr. Part No.FN5040-1200-99
BrandSchaffner
R 310,207.47
Each
units
500 V ac FN 5040 1.2kA 2 (Min)kHz 740 x 360 x 913mm 360mm 913mm 740mm +70°C -25°C
RS stock no. 883-8279
Mfr. Part No.FN5045-8-44
BrandSchaffner
R 9,974.85
Each
units
500 V ac FN 5045 8A 4 (Min)kHz 330 x 100 x 165mm 100mm 165mm 330mm +70°C -25°C
RS stock no. 866-1795
Mfr. Part No.3AFSAP400-007.060
BrandFUSS-EMV
R 21,926.08
Each
units
3 x 500 V ac 3AFSAP400 7A - 205 x 147 x 268mm 147mm 268mm 205mm +40 (without power derating) °C, +60 (with power derating) °C -20 (without power derating) °C, +40 (with power derating) °C
RS stock no. 739-6452
Mfr. Part No.LR3 40-4/45
BrandBlock
R 5,288.95
Each
units
690 V ac LR3 45A - 185 x 112 x 210mm 112mm 210mm 185mm +40°C -10°C
RS stock no. 866-1858
Mfr. Part No.3AFU400-006
BrandFUSS-EMV
R 3,003.74
Each
units
3 x 500 V ac 3AFU400 6A - 70 x 142 x 245mm 142mm 245mm 70mm +40°C -
RS stock no. 883-8235
Mfr. Part No.FN5045-180-99
BrandSchaffner
R 65,648.88
Each
units
500 V ac FN 5045 180A 3 (Min)kHz 650 x 500 x 400mm 500mm 400mm 650mm +70°C -25°C
RS stock no. 739-6355
Mfr. Part No.SFB 400/10
BrandBlock
R 8,996.42
Each
units
520 V ac SFB 10A 8kHz 120 x 155 x 160mm 155mm 160mm 120mm +40°C -
RS stock no. 739-6462
Mfr. Part No.LR3 40-4/80
BrandBlock
R 7,877.37
Each
units
690 V ac LR3 80A - 210 x 125 x 240mm 125mm 240mm 210mm +40°C -10°C
RS stock no. 883-8147
Mfr. Part No.FN5020-120-35
BrandSchaffner
R 62,927.66
Each
units
1000 V dc FN 5020 120A 6 → 15kHz 799 x 343 x 280mm 343mm 280mm 799mm +100°C -25°C
RS stock no. 883-8178
Mfr. Part No.FN5030-75-35
BrandSchaffner
R 45,398.07
Each
units
1000 V dc FN 5030 75A 6 → 15kHz 434 x 343 x 283mm 343mm 283mm 434mm +100°C -25°C
RS stock no. 883-8169
Mfr. Part No.FN5030-55-34
BrandSchaffner
R 33,085.64
Each
units
1000 V dc FN 5030 55A 6 → 15kHz 354 x 250 x 200mm 250mm 200mm 354mm +100°C -25°C