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
HK$1,451.46
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. 866-1808
Mfr. Part No.3AFSAP400-016.060
BrandFUSS-EMV
HK$10,510.84
Each
units
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 Stock No. 883-8207
Mfr. Part No.FN5040-660-99
BrandSchaffner
HK$100,988.04
Each
units
500 V ac FN 5040 660A 2 (Min)kHz 630 x 315 x 727mm 315mm 727mm 630mm +70°C -25°C
RS Stock No. 866-1824
Mfr. Part No.3AFS400-002,5 IG
BrandFUSS-EMV
HK$3,242.32
Each
units
3 x 500 V ac 3AFS400 2.5A - 165 x 160 x 190mm 160mm 190mm 165mm +40°C -
RS Stock No. 883-8241
Mfr. Part No.FN5045-38-33
BrandSchaffner
HK$11,001.75
Each
units
500 V ac FN 5045 38A 4 (Min)kHz 440 x 160 x 245mm 160mm 245mm 440mm +70°C -25°C
RS Stock No. 883-8162
Mfr. Part No.FN5030-120-35
BrandSchaffner
HK$28,337.63
Each
units
1000 V dc FN 5030 120A 6 → 15kHz 434 x 343 x 283mm 343mm 283mm 434mm +100°C -25°C
RS Stock No. 883-8210
Mfr. Part No.FN5045-10-44
BrandSchaffner
HK$4,449.25
Each
units
500 V ac FN 5045 10A 4 (Min)kHz 330 x 100 x 165mm 100mm 165mm 330mm +70°C -25°C
RS Stock No. 866-1827
Mfr. Part No.3ACMF400-100.060
BrandFUSS-EMV
HK$20,216.20
Each
units
3 x 500 V ac 3ACMF400 100A - - - - - - -
RS Stock No. 883-8250
Mfr. Part No.FN5045-48-34
BrandSchaffner
HK$12,296.09
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. 866-1811
Mfr. Part No.3AFSAP400-040.060
BrandFUSS-EMV
HK$14,007.25
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. 883-8311
Mfr. Part No.FN530-16-99
BrandSchaffner
HK$11,393.34
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. 883-8213
Mfr. Part No.FN5040-880-99
BrandSchaffner
HK$142,582.69
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. 739-6412
Mfr. Part No.LR3 40-4/2
BrandBlock
HK$310.89
Each
units
690 V ac LR3 2A - 78 x 56 x 100mm 56mm 100mm 78mm +40°C -10°C
RS Stock No. 739-6409
Mfr. Part No.MR3 400/30
BrandBlock
HK$1,330.00
Each
units
690 V ac MR3 30A 8kHz 155 x 95 x 162mm 95mm 162mm 155mm +40°C -10°C
RS Stock No. 702-4056
Mfr. Part No.B84143V0011R127
BrandEPCOS
HK$4,209.29
Each
units
520 V ac B84143V 11A 8kHz - - - - - -
RS Stock No. 866-1842
Mfr. Part No.3AFS400-080
BrandFUSS-EMV
HK$18,266.71
Each
units
3 x 500 V ac 3AFS400 80A - 360 x 320 x 330mm 320mm 330mm 360mm +40°C -
RS Stock No. 866-1814
Mfr. Part No.3ACMF400-063.060
BrandFUSS-EMV
HK$17,864.13
Each
units
3 x 500 V ac 3ACMF400 63A - 260 x 360 x 150mm 150mm 260mm 360mm +40°C -
RS Stock No. 739-6392
Mfr. Part No.MR3 400/13
BrandBlock
HK$697.00
Each
units
690 V ac MR3 13A 8kHz 120 x 85 x 140mm 85mm 140mm 120mm +40°C -10°C
RS Stock No. 883-8200
Mfr. Part No.FN5040-750-99
BrandSchaffner
HK$139,576.05
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. 883-8244
Mfr. Part No.FN5045-4.5-44
BrandSchaffner
HK$3,802.04
Each
units
500 V ac FN 5045 4.5A 4 (Min)kHz 330 x 100 x 165mm 100mm 165mm 330mm +70°C -25°C
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