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 457-6264
製造零件編號RWK 305-10-KL
BrandSchaffner
HK$1,451.46
單位
400 V ac RWK 305 10A 2 → 16kHz 100 x 70 x 115mm 70mm 115mm 100mm +100°C -25°C
RS庫存編號 866-1808
製造零件編號3AFSAP400-016.060
BrandFUSS-EMV
HK$8,035.33
單位
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庫存編號 883-8263
製造零件編號FN5045-660-99
BrandSchaffner
HK$134,701.44
單位
500 V ac FN 5045 660A 2 (Min)kHz 1280 x 794 x 498mm 794mm 498mm 1280mm +70°C -25°C
RS庫存編號 883-8187
製造零件編號FN5040-260-99
BrandSchaffner
HK$46,649.00
單位
500 V ac FN 5040 260A 3 (Min)kHz 450 x 240 x 450mm 240mm 450mm 450mm +70°C -25°C
RS庫存編號 883-8266
製造零件編號FN5045-750-99
BrandSchaffner
HK$182,276.59
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 866-1824
製造零件編號3AFS400-002,5 IG
BrandFUSS-EMV
HK$2,480.64
單位
3 x 500 V ac 3AFS400 2.5A - 165 x 160 x 190mm 160mm 190mm 165mm +40°C -
RS庫存編號 702-4050
製造零件編號B84143V16R127
BrandEpcos
HK$8,160.00
單位
520 V ac - 16A 8kHz - - - - - -
RS庫存編號 739-6440
製造零件編號LR3 40-4/35
BrandBlock
HK$1,730.00
單位
690 V ac LR3 35A - 155 x 110 x 177mm 110mm 177mm 155mm +40°C -10°C
RS庫存編號 883-8190
製造零件編號FN5040-480-99
BrandSchaffner
HK$77,098.21
單位
500 V ac FN 5040 480A 3 (Min)kHz 510 x 310 x 614mm 310mm 614mm 510mm +70°C -25°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 739-6465
製造零件編號LR3 40-4/63
BrandBlock
HK$2,088.00
單位
690 V ac LR3 63A - 185 x 122 x 210mm 122mm 210mm 185mm +40°C -10°C
RS庫存編號 111-5328
製造零件編號B84143V0066R227
BrandEPCOS
HK$8,189.74
單位
520 V ac B84143V 66A - 480 x 176 x 430mm 176mm 430mm 480mm - -
RS庫存編號 883-8226
製造零件編號FN5045-17-33
BrandSchaffner
HK$6,991.19
單位
500 V ac FN 5045 17A 4 (Min)kHz 440 x 160 x 245mm 160mm 245mm 440mm +70°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 739-6446
製造零件編號LR3 40-4/30
BrandBlock
HK$1,630.00
單位
690 V ac LR3 30A - 155 x 110 x 177mm 110mm 177mm 155mm +40°C -10°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
RS庫存編號 883-8272
製造零件編號FN5045-880-99
BrandSchaffner
HK$202,216.86
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 739-6412
製造零件編號LR3 40-4/2
BrandBlock
HK$310.89
單位
690 V ac LR3 2A - 78 x 56 x 100mm 56mm 100mm 78mm +40°C -10°C
RS庫存編號 739-6421
製造零件編號LR3 40-4/4
BrandBlock
HK$403.75
單位
690 V ac LR3 4A - 96 x 60 x 117mm 60mm 117mm 96mm +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 -