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VFD Input KDR, 480V (High Z - 5% Reactor)

VFD Input KDR, 480V (High Z - 5% Reactor)


Transient voltages, commonly caused by capacitor switching or the switching of large load blocks, can result in an overvoltage condition of the DC bus. This overvoltage condition will cause the drive to shut down in order to protect its components. These transients can sometimes be very severe and too quick for the drive to shut down. The addition of a Trans-Coil KDR series reactors can prevent drive shutdown and even protect components from possible damage.

The addition of a KDR will reduce input line distortion which is caused by the non-linear characteristics of drives. The KDR will limit the inrush current to the rectifier, rounding the waveform, reducing the peak currents and lowering the harmonic current distortion. High peak currents may cause distortion of the voltage waveform. The reduction of those peak currents also reduces total harmonic voltage distortion at the point of common coupling.

Drive input currents rich in harmonics result in a decrease in total input power factor to the drive. The addition of a KDR will reduce the RMS current through the reduction in harmonic content, thereby improving the total power factor.

• Reduce Nuisance Tripping
• Reduce Voltage Notching
• Reduce Harmonic Distortion
• Improve True Power Factor
• Reduce Cross-talk
• Protect Components from Damage
• Improve voltage phase to phase imbalance
• RoHS Compliant

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Part #DescriptionNEC Motor HPNEC Motor CurrentHousingPrice 
KDRA6H 480V High Z - 5% Reactor0.51.1Open$60.80
KDRA7H 480V High Z - 5% Reactor0.751.6Open$66.23
KDRA8H 480V High Z - 5% Reactor12.1Open$66.77
KDRA9H 480V High Z - 5% Reactor1.53Open$67.31
KDRA1H 480V High Z - 5% Reactor23.4Open$70.03
KDRA2H 480V High Z - 5% Reactor34.8Open$89.57
KDRA3H 480V High Z - 5% Reactor57.6Open$103.14
KDRA4H 480V High Z - 5% Reactor7.511Open$116.17
KDRA5H 480V High Z - 5% Reactor1014Open$144.40
KDRB2H 480V High Z - 5% Reactor1521Open$148.20
KDRC3H 480V High Z - 5% Reactor2027Open$166.66
KDRC1H 480V High Z - 5% Reactor2534Open$199.77
KDRE2H 480V High Z - 5% Reactor3040Open$226.91
KDRF4H 480V High Z - 5% Reactor4052Open$236.14
KDRF1H 480V High Z - 5% Reactor5065Open$325.71
KDRF2H 480V High Z - 5% Reactor6077Open$337.11
KDRH2H 480V High Z - 5% Reactor7596Open$383.26
KDRI2H 480V High Z - 5% Reactor100124Open$458.71
KDRG3H 480V High Z - 5% Reactor125156Open$515.71
KDRH1H 480V High Z - 5% Reactor150180Open$629.71
KDRJ1H 480V High Z - 5% Reactor200240Open$836.54
KDRL1H 480V High Z - 5% Reactor250302Open$912.54
KDRL2H 480V High Z - 5% Reactor300361Open$919.06
KDRL3H 480V High Z - 5% Reactor350414Open$1,047.71
KDRL4H 480V High Z - 5% Reactor400477Open$1,386.46
KDRL5H 480V High Z - 5% Reactor450515Open$1,445.63
KDRL6H 480V High Z - 5% Reactor500590Open$1,827.80
KDRS1H 480V High Z - 5% Reactor600720Open$2,199.66
KDRS2H 480V High Z - 5% Reactor700840Open$2,567.17
KDRX2H 480V High Z - 5% Reactor800960Open$2,933.60
KDRX3H 480V High Z - 5% Reactor9001080Open$3,300.57
KDRX4H 480V High Z - 5% Reactor10001200Open$3,666.46
KDRY2H 480V High Z - 5% Reactor11001320Open$4,033.43
KDRY1H 480V High Z - 5% Reactor12501500Open$4,583.34
KDRA6HC1 480V High Z - 5% Reactor0.51.1NEMA1 Enclosed$128.11
KDRA7HC1 480V High Z - 5% Reactor0.751.6NEMA1 Enclosed$134.09
KDRA8HC1 480V High Z - 5% Reactor12.1NEMA1 Enclosed$134.63
KDRA9HC1 480V High Z - 5% Reactor1.53NEMA1 Enclosed$135.17
KDRA1HC1 480V High Z - 5% Reactor23.4NEMA1 Enclosed$136.80
KDRA2HC1 480V High Z - 5% Reactor34.8NEMA1 Enclosed$156.89
KDRA3HC1 480V High Z - 5% Reactor57.6NEMA1 Enclosed$171.00
KDRA4HC1 480V High Z - 5% Reactor7.511NEMA1 Enclosed$183.49
KDRA5HC1 480V High Z - 5% Reactor1014NEMA1 Enclosed$211.71
KDRB2HC1 480V High Z - 5% Reactor1521NEMA1 Enclosed$216.06
KDRC3HC2 480V High Z - 5% Reactor2027NEMA1 Enclosed$247.00
KDRC1HC2 480V High Z - 5% Reactor2534NEMA1 Enclosed$280.11
KDRE2HC2 480V High Z - 5% Reactor3040NEMA1 Enclosed$307.26
KDRF4HC3 480V High Z - 5% Reactor4052NEMA1 Enclosed$350.69
KDRF1HC3 480V High Z - 5% Reactor5065NEMA1 Enclosed$439.71
KDRF2HC3 480V High Z - 5% Reactor6077NEMA1 Enclosed$451.66
KDRH2HC4 480V High Z - 5% Reactor7596NEMA1 Enclosed$575.43
KDRI2HC4 480V High Z - 5% Reactor100124NEMA1 Enclosed$650.34
KDRG3HC4 480V High Z - 5% Reactor125156NEMA1 Enclosed$707.34
KDRG1HC4 480V High Z - 5% Reactor150180NEMA1 Enclosed$821.34
KDRJ1HC5 480V High Z - 5% Reactor200240NEMA1 Enclosed$1,093.31
KDRL1HC5 480V High Z - 5% Reactor250302NEMA1 Enclosed$1,168.77
KDRL2HC5 480V High Z - 5% Reactor300361NEMA1 Enclosed$1,174.74
KDRL3HC5 480V High Z - 5% Reactor350414NEMA1 Enclosed$1,303.40
KDRL4HC5 480V High Z - 5% Reactor400477NEMA1 Enclosed$1,643.23
KDRL5HC5 480V High Z - 5% Reactor450515NEMA1 Enclosed$1,701.86
KDRL6HC5 480V High Z - 5% Reactor500590NEMA1 Enclosed$2,083.49
KDRS1HC5 480V High Z - 5% Reactor600720NEMA1 Enclosed$2,455.89
KDRS2HC5 480V High Z - 5% Reactor700840NEMA1 Enclosed$2,823.40
KDRX2HC7 480V High Z - 5% Reactor800960NEMA1 Enclosed$3,607.83
KDRX3HC7 480V High Z - 5% Reactor9001080NEMA1 Enclosed$3,973.71
KDRX4HC7 480V High Z - 5% Reactor10001200NEMA1 Enclosed$4,340.69
KDRY2HC7 480V High Z - 5% Reactor11001320NEMA1 Enclosed$4,707.11
KDRY1HC7 480V High Z - 5% Reactor12501500NEMA1 Enclosed$5,257.03