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 111-5328
製造零件編號B84143V0066R227
BrandEPCOS
HK$7,665.96
單位
520 V ac B84143V 66A - 480 x 176 x 430mm 176mm 430mm 480mm - -
RS庫存編號 883-8222
製造零件編號FN5045-1200-99
BrandSchaffner
HK$173,857.38
單位
500 V ac FN 5045 1.2kA 2 (Min)kHz 1280 x 794 x 498mm 794mm 498mm 1280mm +70°C -25°C
RS庫存編號 883-8323
製造零件編號FN530-8-99
BrandSchaffner
HK$8,266.75
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 739-6392
製造零件編號MR3 400/13
BrandBlock
HK$697.00
單位
690 V ac MR3 13A 8kHz 120 x 85 x 140mm 85mm 140mm 120mm +40°C -10°C
RS庫存編號 883-8241
製造零件編號FN5045-38-33
BrandSchaffner
HK$11,043.84
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 457-6292
製造零件編號RWK 305-32-KL
BrandSchaffner
HK$2,314.04
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 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 883-8193
製造零件編號FN5040-48-85
BrandSchaffner
HK$10,759.57
單位
500 V ac FN 5040 48A 4 (Min)kHz 300 x 171 x 344mm 171mm 344mm 300mm +70°C -25°C
RS庫存編號 739-6446
製造零件編號LR3 40-4/30
BrandBlock
HK$1,504.60
單位
690 V ac LR3 30A - 155 x 110 x 177mm 110mm 177mm 155mm +40°C -10°C
RS庫存編號 739-6424
製造零件編號LR3 40-4/6
BrandBlock
HK$440.69
單位
690 V ac LR3 6A - 96 x 69 x 117mm 69mm 117mm 96mm +40°C -10°C
RS庫存編號 883-8226
製造零件編號FN5045-17-33
BrandSchaffner
HK$6,252.77
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 883-8207
製造零件編號FN5040-660-99
BrandSchaffner
HK$73,205.12
單位
500 V ac FN 5040 660A 2 (Min)kHz 630 x 315 x 727mm 315mm 727mm 630mm +70°C -25°C
RS庫存編號 866-1824
製造零件編號3AFS400-002,5 IG
BrandFUSS-EMV
HK$3,242.32
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 739-6430
製造零件編號LR3 40-4/16
BrandBlock
HK$668.16
單位
690 V ac LR3 16A - 120 x 95 x 140mm 95mm 140mm 120mm +40°C -10°C
RS庫存編號 866-1818
製造零件編號3ACMF400-080.060
BrandFUSS-EMV
HK$19,728.97
單位
3 x 500 V ac 3ACMF400 80A - 290 x 370 x 160mm 160mm 290mm 370mm +40°C -
RS庫存編號 739-6428
製造零件編號LR3 40-4/8
BrandBlock
HK$410.46
單位
690 V ac LR3 8A - 120 x 85 x 140mm 85mm 140mm 120mm +40°C -10°C
RS庫存編號 883-8229
製造零件編號FN5045-115-35
BrandSchaffner
HK$20,065.88
單位
500 V ac FN 5045 115A 3 (Min)kHz 615 x 370 x 203mm 370mm 203mm 615mm +70°C -25°C
RS庫存編號 883-8235
製造零件編號FN5045-180-99
BrandSchaffner
HK$29,199.98
單位
500 V ac FN 5045 180A 3 (Min)kHz 650 x 500 x 400mm 500mm 400mm 650mm +70°C -25°C
RS庫存編號 883-8272
製造零件編號FN5045-880-99
BrandSchaffner
HK$145,751.36
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 739-6459
製造零件編號LR3 40-4/40
BrandBlock
HK$1,584.00
單位
690 V ac LR3 40A - 185 x 102 x 210mm 102mm 210mm 185mm +40°C -10°C