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$1,779.54
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$10,857.46
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 739-6386
製造零件編號MR3 400/6
BrandBlock
HK$530.02
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 739-6389
製造零件編號MR3 400/8
BrandBlock
HK$534.26
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 739-6355
製造零件編號SFB 400/10
BrandBlock
HK$4,187.70
單位
520 V ac SFB 10A 8kHz 120 x 155 x 160mm 155mm 160mm 120mm +40°C -
RS庫存編號 739-6392
製造零件編號MR3 400/13
BrandBlock
HK$729.91
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 739-6428
製造零件編號LR3 40-4/8
BrandBlock
HK$432.62
單位
690 V ac LR3 8A - 120 x 85 x 140mm 85mm 140mm 120mm +40°C -10°C
RS庫存編號 739-6364
製造零件編號SFB 400/16,5
BrandBlock
HK$3,781.50
單位
520 V ac SFB 16.5A 8kHz 160 x 190 x 185mm 190mm 185mm 160mm +40°C -
RS庫存編號 883-8260
製造零件編號FN5045-75-35
BrandSchaffner
HK$14,131.04
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 457-6292
製造零件編號RWK 305-32-KL
BrandSchaffner
HK$2,624.57
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 739-6395
製造零件編號MR3 400/18
BrandBlock
HK$900.01
單位
690 V ac MR3 18A 8kHz 120 x 140 x 140mm 140mm 140mm 120mm +40°C -10°C
RS庫存編號 739-6373
製造零件編號MR3 400/2,5
BrandBlock
HK$379.43
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 739-6406
製造零件編號MR3 400/42
BrandBlock
HK$1,219.71
單位
690 V ac MR3 42A 8kHz 155 x 110 x 177mm 110mm 177mm 155mm +40°C -10°C
RS庫存編號 111-5328
製造零件編號B84143V0066R227
BrandEPCOS
HK$7,878.37
單位
520 V ac B84143V 66A - 480 x 176 x 430mm 176mm 430mm 480mm - -
RS庫存編號 739-6430
製造零件編號LR3 40-4/16
BrandBlock
HK$704.23
單位
690 V ac LR3 16A - 120 x 95 x 140mm 95mm 140mm 120mm +40°C -10°C
RS庫存編號 739-6409
製造零件編號MR3 400/30
BrandBlock
HK$1,300.16
單位
690 V ac MR3 30A 8kHz 155 x 95 x 162mm 95mm 162mm 155mm +40°C -10°C
RS庫存編號 739-6465
製造零件編號LR3 40-4/63
BrandBlock
HK$2,257.46
單位
690 V ac LR3 63A - 185 x 122 x 210mm 122mm 210mm 185mm +40°C -10°C
RS庫存編號 866-1805
製造零件編號3AFSAP400-010.060
BrandFUSS-EMV
HK$10,441.60
單位
3 x 500 V ac 3AFSAP400 10A - 205 x 147 x 268mm 147mm 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 754-6099
製造零件編號FN5040-17-83
BrandSchaffner
HK$6,273.23
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 739-6402
製造零件編號MR3 400/37
BrandBlock
HK$1,305.24
單位
690 V ac MR3 37A 8kHz 155 x 95 x 162mm 95mm 162mm 155mm +40°C -10°C