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. 866-1849
Mfr. Part No.3AFS400-063
BrandFUSS-EMV
HK$12,560.59
Each
units
3 x 500 V ac 3AFS400 63A - 300 x 240 x 340mm 240mm 340mm 300mm +40°C -
RS Stock No. 883-8260
Mfr. Part No.FN5045-75-35
BrandSchaffner
HK$13,861.87
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. 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. 866-1830
Mfr. Part No.3AFS400-035 IG
BrandFUSS-EMV
HK$7,332.24
Each
units
3 x 500 V ac 3AFS400 35A - 270 x 235 x 300mm 235mm 300mm 270mm +40°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. 883-8248
Mfr. Part No.FN5045-410-99
BrandSchaffner
HK$55,695.49
Each
units
500 V ac FN 5045 410A 3 (Min)kHz 780 x 534 x 500mm 534mm 500mm 780mm +70°C -25°C
RS Stock No. 739-6373
Mfr. Part No.MR3 400/2,5
BrandBlock
HK$364.19
Each
units
690 V ac MR3 2.5A 8kHz 78 x 63 x 100mm 63mm 100mm 78mm +40°C -10°C
RS Stock No. 866-1864
Mfr. Part No.3AFU400-035
BrandFUSS-EMV
HK$4,047.36
Each
units
3 x 500 V ac 3AFU400 35A - 220 x 192 x 290mm 192mm 290mm 220mm +40°C -
RS Stock No. 883-8241
Mfr. Part No.FN5045-38-33
BrandSchaffner
HK$11,375.16
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. 866-1846
Mfr. Part No.3AFS400-125
BrandFUSS-EMV
HK$22,100.86
Each
units
3 x 500 V ac 3AFS400 125A - 360 x 350 x 340mm 350mm 340mm 360mm +40°C -
RS Stock No. 883-8210
Mfr. Part No.FN5045-10-44
BrandSchaffner
HK$4,600.23
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. 883-8178
Mfr. Part No.FN5030-75-35
BrandSchaffner
HK$22,776.34
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. 739-6389
Mfr. Part No.MR3 400/8
BrandBlock
HK$506.90
Each
units
690 V ac MR3 8A 8kHz 96 x 69 x 117mm 69mm 117mm 96mm +40°C -10°C
RS Stock No. 883-8175
Mfr. Part No.FN5040-1200-99
BrandSchaffner
HK$139,647.94
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. 883-8238
Mfr. Part No.FN5045-24-33
BrandSchaffner
HK$7,151.27
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. 866-1852
Mfr. Part No.3AFU400-010
BrandFUSS-EMV
HK$2,300.14
Each
units
3 x 500 V ac 3AFU400 10A - 70 x 142 x 245mm 142mm 245mm 70mm +40°C -
RS Stock No. 883-8235
Mfr. Part No.FN5045-180-99
BrandSchaffner
HK$29,806.76
Each
units
500 V ac FN 5045 180A 3 (Min)kHz 650 x 500 x 400mm 500mm 400mm 650mm +70°C -25°C
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