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 866-1802
製造零件編號3AFSAP400-035.060
BrandFUSS-EMV
HK$12,905.46
單位
3 x 500 V ac 3AFSAP400 35A - 245 x 230 x 399mm 230mm 399mm 245mm +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 111-5328
製造零件編號B84143V0066R227
BrandEPCOS
HK$7,665.96
單位
520 V ac B84143V 66A - 480 x 176 x 430mm 176mm 430mm 480mm - -
RS庫存編號 739-6424
製造零件編號LR3 40-4/6
BrandBlock
HK$467.50
單位
690 V ac LR3 6A - 96 x 69 x 117mm 69mm 117mm 96mm +40°C -10°C
RS庫存編號 739-6452
製造零件編號LR3 40-4/45
BrandBlock
HK$1,800.00
單位
690 V ac LR3 45A - 185 x 112 x 210mm 112mm 210mm 185mm +40°C -10°C
RS庫存編號 883-8257
製造零件編號FN5045-480-99
BrandSchaffner
HK$69,185.98
單位
500 V ac FN 5045 480A 3 (Min)kHz 780 x 534 x 500mm 534mm 500mm 780mm +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 883-8171
製造零件編號FN5040-115-87
BrandSchaffner
HK$18,608.31
單位
500 V ac FN 5040 115A 3 (Min)kHz 300 x 236 x 257mm 236mm 257mm 300mm +70°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 883-8169
製造零件編號FN5030-55-34
BrandSchaffner
HK$17,405.86
單位
1000 V dc FN 5030 55A 6 → 15kHz 354 x 250 x 200mm 250mm 200mm 354mm +100°C -25°C
RS庫存編號 883-8323
製造零件編號FN530-8-99
BrandSchaffner
HK$8,235.27
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 866-1814
製造零件編號3ACMF400-063.060
BrandFUSS-EMV
HK$17,864.13
單位
3 x 500 V ac 3ACMF400 63A - 260 x 360 x 150mm 150mm 260mm 360mm +40°C -
RS庫存編號 866-1852
製造零件編號3AFU400-010
BrandFUSS-EMV
HK$2,437.06
單位
3 x 500 V ac 3AFU400 10A - 70 x 142 x 245mm 142mm 245mm 70mm +40°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 883-8244
製造零件編號FN5045-4.5-44
BrandSchaffner
HK$3,802.04
單位
500 V ac FN 5045 4.5A 4 (Min)kHz 330 x 100 x 165mm 100mm 165mm 330mm +70°C -25°C
RS庫存編號 883-8197
製造零件編號FN5040-62-86
BrandSchaffner
HK$13,509.46
單位
500 V ac FN 5040 62A 3 (Min)kHz 300 x 186 x 373mm 186mm 373mm 300mm +70°C -25°C
RS庫存編號 883-8317
製造零件編號FN530-12-99
BrandSchaffner
HK$10,202.99
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 883-8213
製造零件編號FN5040-880-99
BrandSchaffner
HK$142,582.69
單位
500 V ac FN 5040 880A 2 (Min)kHz 882 x 370 x 882mm 370mm 882mm 882mm +70°C -25°C
RS庫存編號 883-8193
製造零件編號FN5040-48-85
BrandSchaffner
HK$10,718.59
單位
500 V ac FN 5040 48A 4 (Min)kHz 300 x 171 x 344mm 171mm 344mm 300mm +70°C -25°C
RS庫存編號 883-8279
製造零件編號FN5045-8-44
BrandSchaffner
HK$4,166.09
單位
500 V ac FN 5045 8A 4 (Min)kHz 330 x 100 x 165mm 100mm 165mm 330mm +70°C -25°C
RS庫存編號 883-8178
製造零件編號FN5030-75-35
BrandSchaffner
HK$22,320.81
單位
1000 V dc FN 5030 75A 6 → 15kHz 434 x 343 x 283mm 343mm 283mm 434mm +100°C -25°C