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. 866-1802
Mfr. Part No.3AFSAP400-035.060
BrandFUSS-EMV
HK$12,905.46
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. 111-5328
Mfr. Part No.B84143V0066R227
BrandEPCOS
HK$7,665.96
Each
units
520 V ac B84143V 66A - 480 x 176 x 430mm 176mm 430mm 480mm - -
RS Stock No. 739-6424
Mfr. Part No.LR3 40-4/6
BrandBlock
HK$467.50
Each
units
690 V ac LR3 6A - 96 x 69 x 117mm 69mm 117mm 96mm +40°C -10°C
RS Stock No. 739-6452
Mfr. Part No.LR3 40-4/45
BrandBlock
HK$1,800.00
Each
units
690 V ac LR3 45A - 185 x 112 x 210mm 112mm 210mm 185mm +40°C -10°C
RS Stock No. 883-8257
Mfr. Part No.FN5045-480-99
BrandSchaffner
HK$69,185.98
Each
units
500 V ac FN 5045 480A 3 (Min)kHz 780 x 534 x 500mm 534mm 500mm 780mm +70°C -25°C
RS Stock No. 739-6355
Mfr. Part No.SFB 400/10
BrandBlock
HK$3,826.22
Each
units
520 V ac SFB 10A 8kHz 120 x 155 x 160mm 155mm 160mm 120mm +40°C -
RS Stock No. 883-8171
Mfr. Part No.FN5040-115-87
BrandSchaffner
HK$18,608.31
Each
units
500 V ac FN 5040 115A 3 (Min)kHz 300 x 236 x 257mm 236mm 257mm 300mm +70°C -25°C
RS Stock No. 866-1795
Mfr. Part No.3AFSAP400-007.060
BrandFUSS-EMV
HK$9,875.01
Each
units
3 x 500 V ac 3AFSAP400 7A - 205 x 147 x 268mm 147mm 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. 883-8169
Mfr. Part No.FN5030-55-34
BrandSchaffner
HK$17,405.86
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. 883-8323
Mfr. Part No.FN530-8-99
BrandSchaffner
HK$8,235.27
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. 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. 866-1852
Mfr. Part No.3AFU400-010
BrandFUSS-EMV
HK$2,437.06
Each
units
3 x 500 V ac 3AFU400 10A - 70 x 142 x 245mm 142mm 245mm 70mm +40°C -
RS Stock No. 883-8222
Mfr. Part No.FN5045-1200-99
BrandSchaffner
HK$224,868.89
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. 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
RS Stock No. 883-8197
Mfr. Part No.FN5040-62-86
BrandSchaffner
HK$13,509.46
Each
units
500 V ac FN 5040 62A 3 (Min)kHz 300 x 186 x 373mm 186mm 373mm 300mm +70°C -25°C
RS Stock No. 883-8317
Mfr. Part No.FN530-12-99
BrandSchaffner
HK$10,202.99
Each
units
850 V dc FN 530 12A 6 → 20kHz 390 x 90 x 215mm 90mm 215mm 390mm +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. 883-8193
Mfr. Part No.FN5040-48-85
BrandSchaffner
HK$10,718.59
Each
units
500 V ac FN 5040 48A 4 (Min)kHz 300 x 171 x 344mm 171mm 344mm 300mm +70°C -25°C
RS Stock No. 883-8279
Mfr. Part No.FN5045-8-44
BrandSchaffner
HK$4,166.09
Each
units
500 V ac FN 5045 8A 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$22,320.81
Each
units
1000 V dc FN 5030 75A 6 → 15kHz 434 x 343 x 283mm 343mm 283mm 434mm +100°C -25°C
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