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 739-6465
製造零件編號LR3 40-4/63
BrandBlock
TWD8,394.00
單位
690 V ac LR3 63A - 185 x 122 x 210mm 122mm 210mm 185mm +40°C -10°C
RS庫存編號 739-6437
製造零件編號LR3 40-4/10
BrandBlock
TWD2,183.00
單位
690 V ac LR3 10A - 120 x 85 x 140mm 85mm 140mm 120mm +40°C -10°C
RS庫存編號 739-6452
製造零件編號LR3 40-4/45
BrandBlock
TWD5,584.00
單位
690 V ac LR3 45A - 185 x 112 x 210mm 112mm 210mm 185mm +40°C -10°C
RS庫存編號 739-6412
製造零件編號LR3 40-4/2
BrandBlock
TWD928.00
單位
690 V ac LR3 2A - 78 x 56 x 100mm 56mm 100mm 78mm +40°C -10°C
RS庫存編號 866-1814
製造零件編號3ACMF400-063.060
BrandFUSS-EMV
TWD68,843.00
單位
3 x 500 V ac 3ACMF400 63A - 260 x 360 x 150mm 150mm 260mm 360mm +40°C -
RS庫存編號 702-4056
製造零件編號B84143V0011R127
BrandEPCOS
TWD17,771.00
單位
520 V ac B84143V 11A 8kHz - - - - - -
RS庫存編號 739-6402
製造零件編號MR3 400/37
BrandBlock
TWD4,854.00
單位
690 V ac MR3 37A 8kHz 155 x 95 x 162mm 95mm 162mm 155mm +40°C -10°C
全新
RS庫存編號 218-2912
製造零件編號6SL3203-0CE23-8AA0
BrandSiemens
TWD6,783.00
單位
480 V SINAMICS 47A - 220 x 190 x 91mm - - - - -
RS庫存編號 739-6440
製造零件編號LR3 40-4/35
BrandBlock
TWD6,286.00
單位
690 V ac LR3 35A - 155 x 110 x 177mm 110mm 177mm 155mm +40°C -10°C
RS庫存編號 883-8260
製造零件編號FN5045-75-35
BrandSchaffner
TWD55,073.00
單位
500 V ac FN 5045 75A 3 (Min)kHz 615 x 370 x 203mm 370mm 203mm 615mm +70°C -25°C
RS庫存編號 702-4050
製造零件編號B84143V0016R127
BrandEPCOS
TWD19,903.00
單位
520 V ac - 16A 8kHz - - - - - -
RS庫存編號 739-6392
製造零件編號MR3 400/13
BrandBlock
TWD2,714.00
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 739-6386
製造零件編號MR3 400/6
BrandBlock
TWD1,971.00
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 739-6446
製造零件編號LR3 40-4/30
BrandBlock
TWD5,897.00
單位
690 V ac LR3 30A - 155 x 110 x 177mm 110mm 177mm 155mm +40°C -10°C
RS庫存編號 739-6383
製造零件編號MR3 400/10
BrandBlock
TWD2,625.00
單位
690 V ac MR3 10A 8kHz 120 x 85 x 140mm 85mm 140mm 120mm +40°C -10°C
RS庫存編號 739-6377
製造零件編號MR3 400/4
BrandBlock
TWD1,924.00
單位
690 V ac MR3 4A 8kHz 78 x 63 x 100mm 63mm 100mm 78mm +40°C -10°C