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 3dB Bandwidth Load Impedance Mounting Type Package/Case
RS Stock No. 866-1808
Mfr. Part No.3AFSAP400-016.060
BrandFUSS-EMV
HK$11,015.13
Each
units
3 x 500 V ac 3AFSAP400 16A 6 → 16kHz 205 x 176 x 268mm 176mm 268mm 205mm +60°C +40°C - - - -
RS Stock No. 739-6440
Mfr. Part No.LR3 40-4/35
BrandBlock
HK$1,751.07
Each
units
690 V ac LR3 35A - 155 x 110 x 177mm 110mm 177mm 155mm +40°C -10°C - - - -
RS Stock No. 739-6443
Mfr. Part No.LR3 40-4/25
BrandBlock
HK$1,324.29
Each
units
690 V ac LR3 25A - 155 x 110 x 177mm 110mm 177mm 155mm +40°C -10°C - - - -
RS Stock No. 739-6446
Mfr. Part No.LR3 40-4/30
BrandBlock
HK$1,642.65
Each
units
690 V ac LR3 30A - 155 x 110 x 177mm 110mm 177mm 155mm +40°C -10°C - - - -
RS Stock No. 739-6452
Mfr. Part No.LR3 40-4/45
BrandBlock
HK$1,826.09
Each
units
690 V ac LR3 45A - 185 x 112 x 210mm 112mm 210mm 185mm +40°C -10°C - - - -
RS Stock No. 866-1824
Mfr. Part No.3AFS400-002,5 IG
BrandFUSS-EMV
HK$3,397.86
Each
units
3 x 500 V ac 3AFS400 2.5A - 200 x 110 x 167mm 110mm 167mm 200mm +60°C +40°C - - - -
RS Stock No. 866-1795
Mfr. Part No.3AFSAP400-007.060
BrandFUSS-EMV
HK$10,200.64
Each
units
3 x 500 V ac 3AFSAP400 7A 6 → 16kHz 205 x 147 x 268mm 147mm 268mm 205mm +60°C +40°C - - - -
RS Stock No. 866-1830
Mfr. Part No.3AFS400-035 IG
BrandFUSS-EMV
HK$7,688.01
Each
units
3 x 500 V ac 3AFS400 35A - 270 x 135 x 270mm 135mm 270mm 270mm +60°C +40°C - - - -
RS Stock No. 866-1842
Mfr. Part No.3AFS400-080
BrandFUSS-EMV
HK$18,869.01
Each
units
3 x 500 V ac 3AFS400 80A - 360 x 320 x 330mm 320mm 330mm 360mm +60°C +40°C - - - -
RS Stock No. 866-1814
Mfr. Part No.3ACMF400-063.060
BrandFUSS-EMV
HK$18,453.26
Each
units
3 x 500 V ac 3ACMF400 63A 6 → 16kHz 260 x 150 x 360mm 150mm 360mm 260mm +60°C +40°C - - - -
RS Stock No. 866-1849
Mfr. Part No.3AFS400-063
BrandFUSS-EMV
HK$13,946.59
Each
units
3 x 500 V ac 3AFS400 63A - 300 x 240 x 340mm 240mm 340mm 300mm +60°C +40°C - - - -
RS Stock No. 739-6386
Mfr. Part No.MR3 400/6
BrandBlock
HK$576.47
Each
units
690 V ac MR3 6A 8kHz 96 x 69 x 117mm 69mm 117mm 96mm +40°C -10°C - - - -
RS Stock No. 739-6373
Mfr. Part No.MR3 400/2,5
BrandBlock
HK$388.01
Each
units
690 V ac MR3 2.5A 8kHz 78 x 63 x 100mm 63mm 100mm 78mm +40°C -10°C - - - -
RS Stock No. 111-5328
Mfr. Part No.B84143V0066R227
BrandEPCOS
HK$9,712.36
Each
units
520 V ac B84143V 66A - 400 x 121 x 350mm 121mm 350mm 400mm - - - - Chassis Mount -
RS Stock No. 702-4056
Mfr. Part No.B84143V0011R127
BrandEPCOS
HK$5,441.82
Each
units
520 V ac B84143V 11A 8kHz 335 x 120 x 160mm 120mm 160mm 335mm +60°C +40°C - - - -
RS Stock No. 866-1820
Mfr. Part No.3ACMF400-150.060
BrandFUSS-EMV
HK$30,335.66
Each
units
3 x 500 V ac 3ACMF400 150A 6 → 16kHz 350 x 180 x 400mm 180mm 400mm 350mm +60°C +40°C - - - -
RS Stock No. 739-6395
Mfr. Part No.MR3 400/18
BrandBlock
HK$932.26
Each
units
690 V ac MR3 18A 8kHz 120 x 140 x 140mm 140mm 140mm 120mm +40°C -10°C - - - -
RS Stock No. 213-1163
Mfr. Part No.6SL3203-0CE21-8AA0
BrandSiemens
HK$1,456.30
Each
units
480 V SINAMICS 22.3A - 125 x 91 x 145mm 91mm 145mm 125mm - - - - - -
RS Stock No. 702-4050
Mfr. Part No.B84143V0016R127
BrandEPCOS
HK$6,224.16
Each
units
520 V ac B84143V 16A 8kHz 375 x 120 x 190mm 120mm 190mm 375mm +60°C +40°C - - - -
RS Stock No. 772-8972
Mfr. Part No.SF948A
HK$63.00
Each
units
- SF - - 3.8 x 3.8 x 1.33mm 3.8mm 1.33mm 3.8mm - - - 50Ω Surface Mount -