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FujiElectricKDRF4LE3R
SKU: KDRF4LE3R
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Description
The Fuji Electric KDRF4LE3R is a 460/480V low impedance AC line reactor compatible with Fuji FRENIC series variable frequency drives for 60 HP NEC motor ratings (77A rated current) — UL Type 3R enclosed construction, rated for outdoor installation — protected against rain, sleet, and ice.
AC line reactors are strongly recommended — and in some utility agreements required — for all VFD installations. The KDRF4LE3R achieves three critical functions: (1) reduces total harmonic current distortion (THD) at the drive input by up to 50%, helping comply with IEEE 519 harmonic limits; (2) protects the drive's input rectifier and DC bus capacitors from damaging line voltage transients and notching; and (3) improves input power factor, reducing reactive current demand.
Install on the AC input side of the drive — between the circuit breaker and the drive's input terminals. Compatible with FRENIC-Mini, FRENIC-Ace, and FRENIC-MEGA drives. Suitable for pumps, HVAC fans, compressors, and installations near harmonic-sensitive equipment. Ul type 3r enclosed construction, rated for outdoor installation — protected against rain, sleet, and ice. UL listed.
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Buying Options
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Description
The Fuji Electric KDRF4LE3R is a 460/480V low impedance AC line reactor compatible with Fuji FRENIC series variable frequency drives for 60 HP NEC motor ratings (77A rated current) — UL Type 3R enclosed construction, rated for outdoor installation — protected against rain, sleet, and ice.
AC line reactors are strongly recommended — and in some utility agreements required — for all VFD installations. The KDRF4LE3R achieves three critical functions: (1) reduces total harmonic current distortion (THD) at the drive input by up to 50%, helping comply with IEEE 519 harmonic limits; (2) protects the drive's input rectifier and DC bus capacitors from damaging line voltage transients and notching; and (3) improves input power factor, reducing reactive current demand.
Install on the AC input side of the drive — between the circuit breaker and the drive's input terminals. Compatible with FRENIC-Mini, FRENIC-Ace, and FRENIC-MEGA drives. Suitable for pumps, HVAC fans, compressors, and installations near harmonic-sensitive equipment. Ul type 3r enclosed construction, rated for outdoor installation — protected against rain, sleet, and ice. UL listed.
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