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$10,510.84
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 739-6434
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 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 883-8323
製造零件編號FN530-8-99
BrandSchaffner
HK$8,266.75
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 866-1795
製造零件編號3AFSAP400-007.060
BrandFUSS-EMV
HK$9,875.01
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 883-8184
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 883-8207
製造零件編號FN5040-660-99
BrandSchaffner
HK$100,988.04
單位
500 V ac FN 5040 660A 2 (Min)kHz 630 x 315 x 727mm 315mm 727mm 630mm +70°C -25°C
RS庫存編號 883-8222
製造零件編號FN5045-1200-99
BrandSchaffner
HK$224,868.89
單位
500 V ac FN 5045 1.2kA 2 (Min)kHz 1280 x 794 x 498mm 794mm 498mm 1280mm +70°C -25°C
RS庫存編號 866-1849
製造零件編號3AFS400-063
BrandFUSS-EMV
HK$13,308.15
單位
3 x 500 V ac 3AFS400 63A - 300 x 240 x 340mm 240mm 340mm 300mm +40°C -
RS庫存編號 883-8178
製造零件編號FN5030-75-35
BrandSchaffner
HK$22,776.34
單位
1000 V dc FN 5030 75A 6 → 15kHz 434 x 343 x 283mm 343mm 283mm 434mm +100°C -25°C
RS庫存編號 883-8204
製造零件編號FN5040-75-87
BrandSchaffner
HK$15,260.65
單位
500 V ac FN 5040 75A 3 (Min)kHz 300 x 240 x 373mm 240mm 373mm 300mm +70°C -25°C
RS庫存編號 883-8187
製造零件編號FN5040-260-99
BrandSchaffner
HK$43,383.57
單位
500 V ac FN 5040 260A 3 (Min)kHz 450 x 240 x 450mm 240mm 450mm 450mm +70°C -25°C
RS庫存編號 739-6355
製造零件編號SFB 400/10
BrandBlock
HK$3,826.22
單位
520 V ac SFB 10A 8kHz 120 x 155 x 160mm 155mm 160mm 120mm +40°C -
RS庫存編號 883-8153
製造零件編號FN5020-75-35
BrandSchaffner
HK$27,214.60
單位
1000 V dc FN 5020 75A 6 → 15kHz 799 x 343 x 280mm 343mm 280mm 799mm +100°C -25°C
RS庫存編號 883-8317
製造零件編號FN530-12-99
BrandSchaffner
HK$10,242.04
單位
850 V dc FN 530 12A 6 → 20kHz 390 x 90 x 215mm 90mm 215mm 390mm +100°C -25°C
RS庫存編號 883-8210
製造零件編號FN5045-10-44
BrandSchaffner
HK$4,466.24
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 883-8238
製造零件編號FN5045-24-33
BrandSchaffner
HK$6,942.98
單位
500 V ac FN 5045 24A 4 (Min)kHz 440 x 160 x 245mm 160mm 245mm 440mm +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
RS庫存編號 866-1833
製造零件編號3AFS400-010 IG
BrandFUSS-EMV
HK$4,005.14
單位
3 x 500 V ac 3AFS400 10A - 165 x 160 x 250mm 160mm 250mm 165mm +40°C -