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 Prix Maximum Voltage Rating Series Maximum Current Rating Switching Frequency Dimensions Depth Height Length Maximum Operating Temperature Minimum Operating Temperature
N° de stock RS 739-6395
Référence fabricantMR3 400/18
MarqueBlock
101,32 €
Each
Unité
690 V ac MR3 18A 8kHz 120 x 140 x 140mm 140mm 140mm 120mm +40°C -10°C
N° de stock RS 739-6355
Référence fabricantSFB 400/10
MarqueBlock
409,17 €
Each
Unité
520 V ac SFB 10A 8kHz 120 x 155 x 160mm 155mm 160mm 120mm +40°C -
N° de stock RS 866-1791
Référence fabricant3AFSAP400-2,5.060
MarqueFUSS-EMV
615,36 €
Each
Unité
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
N° de stock RS 739-6437
Référence fabricantLR3 40-4/10
MarqueBlock
69,36 €
Each
Unité
690 V ac LR3 10A - 120 x 85 x 140mm 85mm 140mm 120mm +40°C -10°C
N° de stock RS 883-8204
Référence fabricantFN5040-75-87
MarqueSchaffner
1.473,55 €
Each
Unité
500 V ac FN 5040 75A 3 (Min)kHz 300 x 240 x 373mm 240mm 373mm 300mm +70°C -25°C
N° de stock RS 883-8207
Référence fabricantFN5040-660-99
MarqueSchaffner
8.028,14 €
Each
Unité
500 V ac FN 5040 660A 2 (Min)kHz 630 x 315 x 727mm 315mm 727mm 630mm +70°C -25°C
N° de stock RS 739-6370
Référence fabricantSFB 400/37
MarqueBlock
651,68 €
Each
Unité
520 V ac SFB 37A 8kHz 210 x 240 x 280mm 240mm 280mm 210mm +40°C -
N° de stock RS 883-8279
Référence fabricantFN5045-8-44
MarqueSchaffner
405,46 €
Each
Unité
500 V ac FN 5045 8A 4 (Min)kHz 330 x 100 x 165mm 100mm 165mm 330mm +70°C -25°C
N° de stock RS 739-6468
Référence fabricantLR3 40-4/70
MarqueBlock
259,08 €
Each
Unité
690 V ac LR3 70A - 210 x 117 x 240mm 117mm 240mm 210mm +40°C -10°C
N° de stock RS 739-6415
Référence fabricantMR3 400/48
MarqueBlock
132,45 €
Each
Unité
690 V ac MR3 48A 8kHz 185 x 102 x 210mm 102mm 210mm 185mm +40°C -10°C
N° de stock RS 739-6462
Référence fabricantLR3 40-4/80
MarqueBlock
217,01 €
Each
Unité
690 V ac LR3 80A - 210 x 125 x 240mm 125mm 240mm 210mm +40°C -10°C
N° de stock RS 866-1858
Référence fabricant3AFU400-006
MarqueFUSS-EMV
207,85 €
Each
Unité
3 x 500 V ac 3AFU400 6A - 70 x 142 x 245mm 142mm 245mm 70mm +40°C -
N° de stock RS 866-1849
Référence fabricant3AFS400-063
MarqueFUSS-EMV
1.279,63 €
Each
Unité
3 x 500 V ac 3AFS400 63A - 300 x 240 x 340mm 240mm 340mm 300mm +40°C -
N° de stock RS 739-6392
Référence fabricantMR3 400/13
MarqueBlock
71,97 €
Each
Unité
690 V ac MR3 13A 8kHz 120 x 85 x 140mm 85mm 140mm 120mm +40°C -10°C
N° de stock RS 866-1864
Référence fabricant3AFU400-035
MarqueFUSS-EMV
389,17 €
Each
Unité
3 x 500 V ac 3AFU400 35A - 220 x 192 x 290mm 192mm 290mm 220mm +40°C -
N° de stock RS 739-6373
Référence fabricantMR3 400/2,5
MarqueBlock
36,33 €
Each
Unité
690 V ac MR3 2.5A 8kHz 78 x 63 x 100mm 63mm 100mm 78mm +40°C -10°C
N° de stock RS 457-6264
Référence fabricantRWK 305-10-KL
MarqueSchaffner
166,93 €
Each
Unité
400 V ac RWK 305 10A 2 → 16kHz 100 x 70 x 115mm 70mm 115mm 100mm +100°C -25°C
N° de stock RS 739-6361
Référence fabricantSFB 400/32
MarqueBlock
617,60 €
Each
Unité
520 V ac SFB 32A 8kHz 200 x 240 x 280mm 240mm 280mm 200mm +40°C -
N° de stock RS 883-8238
Référence fabricantFN5045-24-33
MarqueSchaffner
673,15 €
Each
Unité
500 V ac FN 5045 24A 4 (Min)kHz 440 x 160 x 245mm 160mm 245mm 440mm +70°C -25°C
N° de stock RS 866-1833
Référence fabricant3AFS400-010 IG
MarqueFUSS-EMV
385,11 €
Each
Unité
3 x 500 V ac 3AFS400 10A - 165 x 160 x 250mm 160mm 250mm 165mm +40°C -