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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Filters

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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 Stock No. 883-8323
Mfr. Part No.FN530-8-99
BrandSchaffner
HK$8,514.75
Each
units
850 V dc FN 530 8A 6 → 20kHz 390 x 90 x 180mm 90mm 180mm 390mm +100°C -25°C
RS Stock No. 883-8257
Mfr. Part No.FN5045-480-99
BrandSchaffner
HK$69,185.98
Each
units
500 V ac FN 5045 480A 3 (Min)kHz 780 x 534 x 500mm 534mm 500mm 780mm +70°C -25°C
RS Stock No. 883-8162
Mfr. Part No.FN5030-120-35
BrandSchaffner
HK$28,446.04
Each
units
1000 V dc FN 5030 120A 6 → 15kHz 434 x 343 x 283mm 343mm 283mm 434mm +100°C -25°C
RS Stock No. 883-8226
Mfr. Part No.FN5045-17-33
BrandSchaffner
HK$6,252.77
Each
units
500 V ac FN 5045 17A 4 (Min)kHz 440 x 160 x 245mm 160mm 245mm 440mm +70°C -25°C
RS Stock No. 883-8204
Mfr. Part No.FN5040-75-87
BrandSchaffner
HK$15,260.65
Each
units
500 V ac FN 5040 75A 3 (Min)kHz 300 x 240 x 373mm 240mm 373mm 300mm +70°C -25°C
RS Stock No. 883-8260
Mfr. Part No.FN5045-75-35
BrandSchaffner
HK$13,861.87
Each
units
500 V ac FN 5045 75A 3 (Min)kHz 615 x 370 x 203mm 370mm 203mm 615mm +70°C -25°C
RS Stock No. 883-8165
Mfr. Part No.FN5030-25-33
BrandSchaffner
HK$8,977.03
Each
units
1000 V dc FN 5030 25A 6 → 15kHz 310 x 200 x 162mm 200mm 162mm 310mm +100°C -25°C
RS Stock No. 739-6440
Mfr. Part No.LR3 40-4/35
BrandBlock
HK$1,603.91
Each
units
690 V ac LR3 35A - 155 x 110 x 177mm 110mm 177mm 155mm +40°C -10°C
RS Stock No. 883-8190
Mfr. Part No.FN5040-480-99
BrandSchaffner
HK$52,741.92
Each
units
500 V ac FN 5040 480A 3 (Min)kHz 510 x 310 x 614mm 310mm 614mm 510mm +70°C -25°C
RS Stock No. 883-8241
Mfr. Part No.FN5045-38-33
BrandSchaffner
HK$11,043.84
Each
units
500 V ac FN 5045 38A 4 (Min)kHz 440 x 160 x 245mm 160mm 245mm 440mm +70°C -25°C
RS Stock No. 866-1864
Mfr. Part No.3AFU400-035
BrandFUSS-EMV
HK$4,047.36
Each
units
3 x 500 V ac 3AFU400 35A - 220 x 192 x 290mm 192mm 290mm 220mm +40°C -
RS Stock No. 866-1795
Mfr. Part No.3AFSAP400-007.060
BrandFUSS-EMV
HK$9,875.01
Each
units
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 Stock No. 883-8197
Mfr. Part No.FN5040-62-86
BrandSchaffner
HK$12,883.16
Each
units
500 V ac FN 5040 62A 3 (Min)kHz 300 x 186 x 373mm 186mm 373mm 300mm +70°C -25°C
RS Stock No. 883-8229
Mfr. Part No.FN5045-115-35
BrandSchaffner
HK$20,065.88
Each
units
500 V ac FN 5045 115A 3 (Min)kHz 615 x 370 x 203mm 370mm 203mm 615mm +70°C -25°C
RS Stock No. 883-8207
Mfr. Part No.FN5040-660-99
BrandSchaffner
HK$73,016.68
Each
units
500 V ac FN 5040 660A 2 (Min)kHz 630 x 315 x 727mm 315mm 727mm 630mm +70°C -25°C
RS Stock No. 739-6412
Mfr. Part No.LR3 40-4/2
BrandBlock
HK$236.90
Each
units
690 V ac LR3 2A - 78 x 56 x 100mm 56mm 100mm 78mm +40°C -10°C
RS Stock No. 866-1802
Mfr. Part No.3AFSAP400-035.060
BrandFUSS-EMV
HK$12,905.46
Each
units
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 Stock No. 883-8263
Mfr. Part No.FN5045-660-99
BrandSchaffner
HK$91,614.92
Each
units
500 V ac FN 5045 660A 2 (Min)kHz 1280 x 794 x 498mm 794mm 498mm 1280mm +70°C -25°C
RS Stock No. 739-6386
Mfr. Part No.MR3 400/6
BrandBlock
HK$502.88
Each
units
690 V ac MR3 6A 8kHz 96 x 69 x 117mm 69mm 117mm 96mm +40°C -10°C
RS Stock No. 739-6373
Mfr. Part No.MR3 400/2,5
BrandBlock
HK$360.00
Each
units
690 V ac MR3 2.5A 8kHz 78 x 63 x 100mm 63mm 100mm 78mm +40°C -10°C
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