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 739-6373
製造零件編號MR3 400/2,5
BrandBlock
HK$495.00
單位
690 V ac MR3 2.5A 8kHz 78 x 63 x 100mm 63mm 100mm 78mm +40°C -10°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 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 866-1814
製造零件編號3ACMF400-063.060
BrandFUSS-EMV
HK$17,864.13
單位
3 x 500 V ac 3ACMF400 63A - 260 x 360 x 150mm 150mm 260mm 360mm +40°C -
RS庫存編號 739-6424
製造零件編號LR3 40-4/6
BrandBlock
HK$467.50
單位
690 V ac LR3 6A - 96 x 69 x 117mm 69mm 117mm 96mm +40°C -10°C
RS庫存編號 754-6095
製造零件編號FN5040-10-83
BrandSchaffner
HK$3,528.02
單位
500 V ac FN5040 10A 16kHz 155 x 94 x 208mm 94mm 208mm 155mm +70°C -25°C
RS庫存編號 739-6402
製造零件編號MR3 400/37
BrandBlock
HK$1,350.00
單位
690 V ac MR3 37A 8kHz 155 x 95 x 162mm 95mm 162mm 155mm +40°C -10°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 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 739-6430
製造零件編號LR3 40-4/16
BrandBlock
HK$958.06
單位
690 V ac LR3 16A - 120 x 95 x 140mm 95mm 140mm 120mm +40°C -10°C
RS庫存編號 883-8169
製造零件編號FN5030-55-34
BrandSchaffner
HK$17,405.86
單位
1000 V dc FN 5030 55A 6 → 15kHz 354 x 250 x 200mm 250mm 200mm 354mm +100°C -25°C
RS庫存編號 883-8210
製造零件編號FN5045-10-44
BrandSchaffner
HK$4,449.25
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 866-1846
製造零件編號3AFS400-125
BrandFUSS-EMV
HK$23,416.19
單位
3 x 500 V ac 3AFS400 125A - 360 x 350 x 340mm 350mm 340mm 360mm +40°C -
RS庫存編號 883-8254
製造零件編號FN5045-62-34
BrandSchaffner
HK$14,992.60
單位
500 V ac FN 5045 62A 3 (Min)kHz 515 x 310 x 153mm 310mm 153mm 515mm +70°C -25°C
RS庫存編號 754-6099
製造零件編號FN5040-17-83
BrandSchaffner
HK$4,284.12
單位
500 V ac FN5040 17A 16kHz 190 x 115 x 224mm 115mm 224mm 190mm +70°C -25°C
RS庫存編號 866-1830
製造零件編號3AFS400-035 IG
BrandFUSS-EMV
HK$7,332.24
單位
3 x 500 V ac 3AFS400 35A - 270 x 235 x 300mm 235mm 300mm 270mm +40°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 883-8226
製造零件編號FN5045-17-33
BrandSchaffner
HK$6,228.94
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 883-8311
製造零件編號FN530-16-99
BrandSchaffner
HK$11,393.34
單位
850 V dc FN 530 16A 6 → 20kHz 350 x 140 x 230mm 140mm 230mm 350mm +100°C -25°C
RS庫存編號 739-6406
製造零件編號MR3 400/42
BrandBlock
HK$1,630.00
單位
690 V ac MR3 42A 8kHz 155 x 110 x 177mm 110mm 177mm 155mm +40°C -10°C