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 883-8320
製造零件編號FN530-4-99
BrandSchaffner
HK$6,974.30
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 457-6270
製造零件編號RWK 305-17-KL
BrandSchaffner
HK$1,700.69
單位
400 V ac RWK 305 17A 2 → 16kHz 80 x 125 x 140mm 80mm 140mm 125mm +100°C -25°C
RS庫存編號 883-8257
製造零件編號FN5045-480-99
BrandSchaffner
HK$69,185.98
單位
500 V ac FN 5045 480A 3 (Min)kHz 780 x 534 x 500mm 534mm 500mm 780mm +70°C -25°C
RS庫存編號 883-8175
製造零件編號FN5040-1200-99
BrandSchaffner
HK$136,805.11
單位
500 V ac FN 5040 1.2kA 2 (Min)kHz 740 x 360 x 913mm 360mm 913mm 740mm +70°C -25°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 883-8210
製造零件編號FN5045-10-44
BrandSchaffner
HK$4,466.24
單位
500 V ac FN 5045 10A 4 (Min)kHz 330 x 100 x 165mm 100mm 165mm 330mm +70°C -25°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 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 883-8263
製造零件編號FN5045-660-99
BrandSchaffner
HK$91,851.33
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$31,822.89
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 866-1864
製造零件編號3AFU400-035
BrandFUSS-EMV
HK$4,047.36
單位
3 x 500 V ac 3AFU400 35A - 220 x 192 x 290mm 192mm 290mm 220mm +40°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 739-6389
製造零件編號MR3 400/8
BrandBlock
HK$510.00
單位
690 V ac MR3 8A 8kHz 96 x 69 x 117mm 69mm 117mm 96mm +40°C -10°C
RS庫存編號 883-8159
製造零件編號FN5020-55-34
BrandSchaffner
HK$15,572.77
單位
1000 V dc FN 5020 55A 6 → 15kHz 554 x 250 x 203mm 250mm 203mm 554mm +100°C -25°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 883-8238
製造零件編號FN5045-24-33
BrandSchaffner
HK$6,942.98
單位
500 V ac FN 5045 24A 4 (Min)kHz 440 x 160 x 245mm 160mm 245mm 440mm +70°C -25°C
RS庫存編號 866-1820
製造零件編號3ACMF400-150.060
BrandFUSS-EMV
HK$28,946.98
單位
3 x 500 V ac 3ACMF400 150A - 350 x 400 x 180mm 180mm 350mm 400mm +40°C -
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 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 883-8216
製造零件編號FN5040-8-82
BrandSchaffner
HK$3,288.80
單位
500 V ac FN 5040 8A 4 (Min)kHz 155 x 84 x 212mm 84mm 212mm 155mm +70°C -25°C