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. 457-6264
Mfr. Part No.RWK 305-10-KL
BrandSchaffner
SGD240.73
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. 883-8250
Mfr. Part No.FN5045-48-34
BrandSchaffner
SGD2,173.79
Each
units
500 V ac FN 5045 48A 4 (Min)kHz 515 x 310 x 153mm 310mm 153mm 515mm +70°C -25°C
RS Stock No. 883-8320
Mfr. Part No.FN530-4-99
BrandSchaffner
SGD1,228.27
Each
units
850 V dc FN 530 4A 6 → 20kHz 390 x 90 x 150mm 90mm 150mm 390mm +100°C -25°C
RS Stock No. 883-8200
Mfr. Part No.FN5040-750-99
BrandSchaffner
SGD19,475.18
Each
units
500 V ac FN 5040 750A 2 (Min)kHz 660 x 365 x 666mm 365mm 666mm 660mm +70°C -25°C
RS Stock No. 883-8187
Mfr. Part No.FN5040-260-99
BrandSchaffner
SGD6,053.35
Each
units
500 V ac FN 5040 260A 3 (Min)kHz 450 x 240 x 450mm 240mm 450mm 450mm +70°C -25°C
RS Stock No. 754-6099
Mfr. Part No.FN5040-17-83
BrandSchaffner
SGD767.50
Each
units
500 V ac FN5040 17A 16kHz 190 x 115 x 224mm 115mm 224mm 190mm +70°C -25°C
RS Stock No. 883-8169
Mfr. Part No.FN5030-55-34
BrandSchaffner
SGD3,077.13
Each
units
1000 V dc FN 5030 55A 6 → 15kHz 354 x 250 x 200mm 250mm 200mm 354mm +100°C -25°C
RS Stock No. 883-8311
Mfr. Part No.FN530-16-99
BrandSchaffner
SGD2,014.20
Each
units
850 V dc FN 530 16A 6 → 20kHz 350 x 140 x 230mm 140mm 230mm 350mm +100°C -25°C
RS Stock No. 883-8156
Mfr. Part No.FN5020-25-33
BrandSchaffner
SGD1,664.18
Each
units
1000 V dc FN 5020 25A 6 → 15kHz 410 x 200 x 163mm 200mm 163mm 410mm +100°C -25°C
RS Stock No. 883-8323
Mfr. Part No.FN530-8-99
BrandSchaffner
SGD1,455.88
Each
units
850 V dc FN 530 8A 6 → 20kHz 390 x 90 x 180mm 90mm 180mm 390mm +100°C -25°C
RS Stock No. 883-8260
Mfr. Part No.FN5045-75-35
BrandSchaffner
SGD2,554.01
Each
units
500 V ac FN 5045 75A 3 (Min)kHz 615 x 370 x 203mm 370mm 203mm 615mm +70°C -25°C
RS Stock No. 754-6083
Mfr. Part No.FN5040-4.5-82
BrandSchaffner
SGD481.47
Each
units
500 V ac FN5040 4.5A 4kHz 125 x 77 x 171mm 77mm 171mm 125mm +70°C -25°C
RS Stock No. 883-8229
Mfr. Part No.FN5045-115-35
BrandSchaffner
SGD3,521.73
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. 883-8153
Mfr. Part No.FN5020-75-35
BrandSchaffner
SGD4,792.85
Each
units
1000 V dc FN 5020 75A 6 → 15kHz 799 x 343 x 280mm 343mm 280mm 799mm +100°C -25°C
RS Stock No. 883-8175
Mfr. Part No.FN5040-1200-99
BrandSchaffner
SGD24,010.47
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. 883-8266
Mfr. Part No.FN5045-750-99
BrandSchaffner
SGD22,200.44
Each
units
500 V ac FN 5045 750A 2 (Min)kHz 1280 x 794 x 498mm 794mm 498mm 1280mm +70°C -25°C
RS Stock No. 883-8254
Mfr. Part No.FN5045-62-34
BrandSchaffner
SGD2,650.50
Each
units
500 V ac FN 5045 62A 3 (Min)kHz 515 x 310 x 153mm 310mm 153mm 515mm +70°C -25°C
RS Stock No. 883-8190
Mfr. Part No.FN5040-480-99
BrandSchaffner
SGD9,831.86
Each
units
500 V ac FN 5040 480A 3 (Min)kHz 510 x 310 x 614mm 310mm 614mm 510mm +70°C -25°C
RS Stock No. 883-8232
Mfr. Part No.FN5045-260-99
BrandSchaffner
SGD6,508.39
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. 883-8216
Mfr. Part No.FN5040-8-82
BrandSchaffner
SGD579.20
Each
units
500 V ac FN 5040 8A 4 (Min)kHz 155 x 84 x 212mm 84mm 212mm 155mm +70°C -25°C