Get the performance you expect in a harmonic filter with TCI’s HarmonicShield.

TCI HarmonicShieldThe TCI, LLC HarmonicShield® (HSD) is a simplified 5% passive harmonic filter that provides performance in a cost-effective package. Based on TCI’s proven HarmonicGuard® Passive (HGP) filter design, the HarmonicShield (HSD) is designed for use with 3-phase diode bridge rectifier loads such as PWM drives. The optional contactor allows the tuning circuit to be disconnected at light loads to avoid leading power factor problems. Natural convection cooling means no moving parts. A lug kit option accommodates oversized cabling if needed. All of this is backed up by TCI’s 3-year warranty. The simplicity of the HSD design means you don’t pay for features you don’t need.

The HarmonicShield offers:

  • 5% iTHD Performance over a wide load range

  • UL 508 Listed

  • Available in UL Type 1 and Type 3R enclosures

  • 480V and 600V

  • Up to 600 HP

  • Optional contactor

  • Available with or without lugs

The HarmonicShield is designed for a wide variety of standard duty indoor and outdoor environments, wherever a Variable Frequency Drive (VFD) is used.


Posted on Friday Jul 07, 2017 | filters, harmonics, vfd,