Belden 29500 – 29507 cables are specifically designed for use with VFDs. Using the WRONG cable can increase the detrimental effects from ringing due to capacitive COUPLING. Thermoplastic insulation, found in standard THHN cable, will break down over time if used to connect inverters to motors. The standing waves caused by pulse width modulation (PWM) will cause high voltage potential on single conductors. This renders CORONA (reflective/ringing voltage) in the air GAPS between the conductors, which could break down and cause a system FAILURE.

Belden 29500 – 29507 cables are specifically designed for use with VFDs. Using the wrong cable can increase the detrimental effects from ringing due to capacitive coupling. Thermoplastic insulation, found in standard THHN cable, will break down over time if used to connect inverters to motors. The standing waves caused by pulse width modulation (PWM) will cause high voltage potential on single conductors. This renders corona (reflective/ringing voltage) in the air gaps between the conductors, which could break down and cause a system failure.