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. 883-8181
Mfr. Part No.FN5040-410-99
BrandSchaffner
R 84,995.39
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 7,989.57
Each
units
500 V ac FN5040 17A 16kHz 190 x 115 x 224mm 115mm 224mm 190mm +70°C -25°C
RS stock no. 866-1833
Mfr. Part No.3AFS400-010 IG
BrandFUSS-EMV
R 8,543.86
Each
units
3 x 500 V ac 3AFS400 10A - 165 x 160 x 250mm 160mm 250mm 165mm +40°C -
RS stock no. 739-6409
Mfr. Part No.MR3 400/30
BrandBlock
R 2,448.73
Each
units
690 V ac MR3 30A 8kHz 155 x 95 x 162mm 95mm 162mm 155mm +40°C -10°C
RS stock no. 883-8159
Mfr. Part No.FN5020-55-34
BrandSchaffner
R 31,939.81
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. 754-6109
Mfr. Part No.FN5040-24-84
BrandSchaffner
R 7,138.29
Each
units
500 V ac FN5040 24A 16kHz 190 x 116 x 224mm 116mm 224mm 190mm +70°C -25°C
RS stock no. 866-1802
Mfr. Part No.3AFSAP400-035.060
BrandFUSS-EMV
R 22,657.28
Each
units
3 x 500 V ac 3AFSAP400 35A - 245 x 230 x 399mm 230mm 399mm 245mm +40 (without power derating) °C, +60 (with power derating) °C -20 (without power derating) °C, +40 (with power derating) °C
RS stock no. 739-6412
Mfr. Part No.LR3 40-4/2
BrandBlock
R 563.79
Each
units
690 V ac LR3 2A - 78 x 56 x 100mm 56mm 100mm 78mm +40°C -10°C
RS stock no. 754-6095
Mfr. Part No.FN5040-10-83
BrandSchaffner
R 6,534.88
Each
units
500 V ac FN5040 10A 16kHz 155 x 94 x 208mm 94mm 208mm 155mm +70°C -25°C
RS stock no. 883-8238
Mfr. Part No.FN5045-24-33
BrandSchaffner
R 13,222.39
Each
units
500 V ac FN 5045 24A 4 (Min)kHz 440 x 160 x 245mm 160mm 245mm 440mm +70°C -25°C
RS stock no. 866-1858
Mfr. Part No.3AFU400-006
BrandFUSS-EMV
R 4,670.08
Each
units
3 x 500 V ac 3AFU400 6A - 70 x 142 x 245mm 142mm 245mm 70mm +40°C -
RS stock no. 866-1791
Mfr. Part No.3AFSAP400-2,5.060
BrandFUSS-EMV
R 13,666.84
Each
units
3 x 500 V ac 3AFSAP400 2.5A - 193 x 118 x 268mm 118mm 268mm 193mm +40 (without power derating) °C, +60 (with power derating) °C -20 (without power derating) °C, +40 (with power derating) °C
RS stock no. 883-8229
Mfr. Part No.FN5045-115-35
BrandSchaffner
R 37,223.14
Each
units
500 V ac FN 5045 115A 3 (Min)kHz 615 x 370 x 203mm 370mm 203mm 615mm +70°C -25°C
RS stock no. 883-8184
Mfr. Part No.FN5040-180-99
BrandSchaffner
R 47,473.47
Each
units
500 V ac FN 5040 180A 3 (Min)kHz 450 x 240 x 385mm 240mm 385mm 450mm +70°C -25°C
RS stock no. 883-8222
Mfr. Part No.FN5045-1200-99
BrandSchaffner
R 325,475.27
Each
units
500 V ac FN 5045 1.2kA 2 (Min)kHz 1280 x 794 x 498mm 794mm 498mm 1280mm +70°C -25°C
RS stock no. 866-1846
Mfr. Part No.3AFS400-125
BrandFUSS-EMV
R 31,617.35
Each
units
3 x 500 V ac 3AFS400 125A - 360 x 350 x 340mm 350mm 340mm 360mm +40°C -
RS stock no. 457-6264
Mfr. Part No.RWK 305-10-KL
BrandSchaffner
R 3,025.12
Each
units
400 V ac RWK 305 10A 2 → 16kHz 100 x 70 x 115mm 70mm 115mm 100mm +100°C -25°C
RS stock no. 866-1811
Mfr. Part No.3AFSAP400-040.060
BrandFUSS-EMV
R 18,360.35
Each
units
3 x 500 V ac 3AFSAP400 40A - 245 x 230 x 399mm 230mm 399mm 245mm +40 (without power derating) °C, +60 (with power derating) °C -20 (without power derating) °C, +40 (with power derating) °C
RS stock no. 866-1868
Mfr. Part No.3AFU400-080
BrandFUSS-EMV
R 7,846.19
Each
units
3 x 500 V ac 3AFU400 80A - 220 x 214 x 540mm 214mm 540mm 220mm +40°C -
RS stock no. 739-6355
Mfr. Part No.SFB 400/10
BrandBlock
R 7,638.26
Each
units
520 V ac SFB 10A 8kHz 120 x 155 x 160mm 155mm 160mm 120mm +40°C -