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 866-1791
製造零件編號3AFSAP400-2,5.060
BrandFUSS-EMV
HK$4,893.18
單位
3 x 500 V ac 3AFSAP400 2.5A - 193 x 118 x 268mm 118mm 268mm 193mm +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 883-8323
製造零件編號FN530-8-99
BrandSchaffner
HK$10,609.26
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 883-8229
製造零件編號FN5045-115-35
BrandSchaffner
HK$27,652.82
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 739-6434
製造零件編號LR3 40-4/20
BrandBlock
HK$846.00
單位
690 V ac LR3 20A - 155 x 95 x 162mm 95mm 162mm 155mm +40°C -10°C
RS庫存編號 866-1868
製造零件編號3AFU400-080
BrandFUSS-EMV
HK$4,720.64
單位
3 x 500 V ac 3AFU400 80A - 220 x 214 x 540mm 214mm 540mm 220mm +40°C -
RS庫存編號 883-8305
製造零件編號FN520-16-33
BrandSchaffner
HK$10,885.33
單位
288 V ac, 500 V ac FN 520 16A 6 → 20kHz 300 x 145 x 190mm 145mm 190mm 300mm +100°C -25°C
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 883-8263
製造零件編號FN5045-660-99
BrandSchaffner
HK$134,701.44
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 883-8165
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 739-6355
製造零件編號SFB 400/10
BrandBlock
HK$3,633.75
單位
520 V ac SFB 10A 8kHz 120 x 155 x 160mm 155mm 160mm 120mm +40°C -
RS庫存編號 866-1795
製造零件編號3AFSAP400-007.060
BrandFUSS-EMV
HK$7,946.24
單位
3 x 500 V ac 3AFSAP400 7A - 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 883-8250
製造零件編號FN5045-48-34
BrandSchaffner
HK$14,472.13
單位
500 V ac FN 5045 48A 4 (Min)kHz 515 x 310 x 153mm 310mm 153mm 515mm +70°C -25°C
RS庫存編號 883-8320
製造零件編號FN530-4-99
BrandSchaffner
HK$9,176.86
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 866-1833
製造零件編號3AFS400-010 IG
BrandFUSS-EMV
HK$3,225.60
單位
3 x 500 V ac 3AFS400 10A - 165 x 160 x 250mm 160mm 250mm 165mm +40°C -
RS庫存編號 883-8232
製造零件編號FN5045-260-99
BrandSchaffner
HK$52,678.33
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 739-6437
製造零件編號LR3 40-4/10
BrandBlock
HK$614.62
單位
690 V ac LR3 10A - 120 x 85 x 140mm 85mm 140mm 120mm +40°C -10°C
RS庫存編號 866-1824
製造零件編號3AFS400-002,5 IG
BrandFUSS-EMV
HK$2,480.64
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 883-8169
製造零件編號FN5030-55-34
BrandSchaffner
HK$19,244.79
單位
1000 V dc FN 5030 55A 6 → 15kHz 354 x 250 x 200mm 250mm 200mm 354mm +100°C -25°C