The type code designations for the wall-mounted type of low harmonic drive are
ACS800-31 and ACS800-U31. The ACS800-U31 is specifically designated for the
US market and includes the US conduit box with the drive and is defaulted for horse
power and 60Hz configuration.
The type code designation for the cabinet-built type of low harmonic drive is
ACS800-37. The type code designation of the drive specifically designated for the
US market includes +C129 at lower power end and +C129+H359 at high power end
in its designation. +C129 is for UL specific design and +H359 for common motor
terminal cabinet, the latter is required in frames 2xR8i ... 6xR8i.