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 883-8311
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 866-1818
製造零件編號3ACMF400-080.060
BrandFUSS-EMV
HK$15,882.24
單位
3 x 500 V ac 3ACMF400 80A - 290 x 370 x 160mm 160mm 290mm 370mm +40°C -
RS庫存編號 866-1830
製造零件編號3AFS400-035 IG
BrandFUSS-EMV
HK$5,898.24
單位
3 x 500 V ac 3AFS400 35A - 270 x 235 x 300mm 235mm 300mm 270mm +40°C -
RS庫存編號 883-8229
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 883-8165
製造零件編號FN5030-25-33
BrandSchaffner
HK$9,234.01
單位
1000 V dc FN 5030 25A 6 → 15kHz 310 x 200 x 162mm 200mm 162mm 310mm +100°C -25°C
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 866-1877
製造零件編號3AFU400-125
BrandFUSS-EMV
HK$5,068.29
單位
3 x 500 V ac 3AFU400 125A - 220 x 214 x 540mm 214mm 540mm 220mm +40°C -
RS庫存編號 883-8232
製造零件編號FN5045-260-99
BrandSchaffner
HK$48,990.85
單位
500 V ac FN 5045 260A 3 (Min)kHz 650 x 500 x 400mm 500mm 400mm 650mm +70°C -25°C
RS庫存編號 883-8181
製造零件編號FN5040-410-99
BrandSchaffner
HK$46,351.56
單位
500 V ac FN 5040 410A 3 (Min)kHz 480 x 240 x 596mm 240mm 596mm 480mm +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 866-1846
製造零件編號3AFS400-125
BrandFUSS-EMV
HK$18,851.84
單位
3 x 500 V ac 3AFS400 125A - 360 x 350 x 340mm 350mm 340mm 360mm +40°C -
RS庫存編號 866-1820
製造零件編號3ACMF400-150.060
BrandFUSS-EMV
HK$23,306.24
單位
3 x 500 V ac 3ACMF400 150A - 350 x 400 x 180mm 180mm 350mm 400mm +40°C -
RS庫存編號 883-8241
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 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 739-6386
製造零件編號MR3 400/6
BrandBlock
HK$510.00
單位
690 V ac MR3 6A 8kHz 96 x 69 x 117mm 69mm 117mm 96mm +40°C -10°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 883-8184
製造零件編號FN5040-180-99
BrandSchaffner
HK$32,799.15
單位
500 V ac FN 5040 180A 3 (Min)kHz 450 x 240 x 385mm 240mm 385mm 450mm +70°C -25°C
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