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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Description Price Maximum Voltage Rating Series Maximum Current Rating Switching Frequency Dimensions Depth Height Length Maximum Operating Temperature Minimum Operating Temperature
RS庫存編號 883-8244
製造零件編號FN5045-4.5-44
BrandSchaffner
HK$3,802.04
單位
500 V ac FN 5045 4.5A 4 (Min)kHz 330 x 100 x 165mm 100mm 165mm 330mm +70°C -25°C
RS庫存編號 883-8241
製造零件編號FN5045-38-33
BrandSchaffner
HK$11,001.75
單位
500 V ac FN 5045 38A 4 (Min)kHz 440 x 160 x 245mm 160mm 245mm 440mm +70°C -25°C
RS庫存編號 866-1795
製造零件編號3AFSAP400-007.060
BrandFUSS-EMV
HK$7,946.24
單位
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庫存編號 702-4056
製造零件編號B84143V0011R127
BrandEPCOS
HK$4,108.47
單位
520 V ac B84143V 11A 8kHz - - - - - -
RS庫存編號 883-8320
製造零件編號FN530-4-99
BrandSchaffner
HK$6,947.75
單位
850 V dc FN 530 4A 6 → 20kHz 390 x 90 x 150mm 90mm 150mm 390mm +100°C -25°C
RS庫存編號 883-8213
製造零件編號FN5040-880-99
BrandSchaffner
HK$142,582.69
單位
500 V ac FN 5040 880A 2 (Min)kHz 882 x 370 x 882mm 370mm 882mm 882mm +70°C -25°C
RS庫存編號 883-8266
製造零件編號FN5045-750-99
BrandSchaffner
HK$169,517.23
單位
500 V ac FN 5045 750A 2 (Min)kHz 1280 x 794 x 498mm 794mm 498mm 1280mm +70°C -25°C
RS庫存編號 739-6351
製造零件編號SFB 400/4
BrandBlock
HK$2,889.90
單位
520 V ac SFB 4A 8kHz 105 x 155 x 160mm 155mm 160mm 105mm +40°C -
RS庫存編號 739-6437
製造零件編號LR3 40-4/10
BrandBlock
HK$614.62
單位
690 V ac LR3 10A - 120 x 85 x 140mm 85mm 140mm 120mm +40°C -10°C
RS庫存編號 883-8171
製造零件編號FN5040-115-87
BrandSchaffner
HK$18,608.31
單位
500 V ac FN 5040 115A 3 (Min)kHz 300 x 236 x 257mm 236mm 257mm 300mm +70°C -25°C
RS庫存編號 883-8156
製造零件編號FN5020-25-33
BrandSchaffner
HK$9,413.51
單位
1000 V dc FN 5020 25A 6 → 15kHz 410 x 200 x 163mm 200mm 163mm 410mm +100°C -25°C
RS庫存編號 866-1868
製造零件編號3AFU400-080
BrandFUSS-EMV
HK$4,720.64
單位
3 x 500 V ac 3AFU400 80A - 220 x 214 x 540mm 214mm 540mm 220mm +40°C -
RS庫存編號 739-6383
製造零件編號MR3 400/10
BrandBlock
HK$790.00
單位
690 V ac MR3 10A 8kHz 120 x 85 x 140mm 85mm 140mm 120mm +40°C -10°C
RS庫存編號 866-1827
製造零件編號3ACMF400-100.060
BrandFUSS-EMV
HK$16,281.60
單位
3 x 500 V ac 3ACMF400 100A - - - - - - -
RS庫存編號 457-6292
製造零件編號RWK 305-32-KL
BrandSchaffner
HK$2,213.50
單位
400 V ac RWK 305 32A 2 → 16kHz 95 x 155 x 195mm 95mm 195mm 155mm +100°C -25°C
RS庫存編號 739-6456
製造零件編號LR3 40-4/50
BrandBlock
HK$1,809.00
單位
690 V ac LR3 50A - 185 x 112 x 210mm 112mm 210mm 185mm +40°C -10°C
RS庫存編號 866-1858
製造零件編號3AFU400-006
BrandFUSS-EMV
HK$1,740.80
單位
3 x 500 V ac 3AFU400 6A - 70 x 142 x 245mm 142mm 245mm 70mm +40°C -
RS庫存編號 883-8323
製造零件編號FN530-8-99
BrandSchaffner
HK$8,235.27
單位
850 V dc FN 530 8A 6 → 20kHz 390 x 90 x 180mm 90mm 180mm 390mm +100°C -25°C
RS庫存編號 883-8272
製造零件編號FN5045-880-99
BrandSchaffner
HK$188,061.68
單位
500 V ac FN 5045 880A 2 (Min)kHz 1280 x 794 x 498mm 794mm 498mm 1280mm +70°C -25°C
RS庫存編號 739-6409
製造零件編號MR3 400/30
BrandBlock
HK$1,330.00
單位
690 V ac MR3 30A 8kHz 155 x 95 x 162mm 95mm 162mm 155mm +40°C -10°C