KB Electronics KBMA-24DF - Manual

*IMPORTANT
This drive is factory set for:
1. 60 Hz Motors,
for 50 Hz motors, see
Section 7.4, on page 17
and 18.
2. 208/230 Volt AC line input,
for 115 VAC operation, see
Section 7.1, on page 16.
Installation & Operation Manual
KBMA ™
See Safety Warning,
on page 5.
The information contained in this manual is intended to be accurate. However, the manufacturer retains
the right to make changes in design which may not be included herein.
Notes: 1. UL approved as an electronic overload protector for motors. 2. Model KBMA-24DF contains a built-in AC line
Class A RFI (EMI) filter which meets CE Council Directive 89/336/EEC Industrial Requirement. For Class B Residential
Requirement, the KBRF-300 filter (Part No. 9484) must be used (externally mounted). 3. Model KBMA-24D only.
© 2007 KB Electronics, Inc.
(see back cover)
Adjustable Frequency Drives
2 3
This Manual Covers Models KBMA-24D, 24DF 2
for 1/8 HP thru 1HP 3-Phase AC Motors rated 208 – 230 VAC, 50* & 60 Hz
NEMA-1 / IP-40
Operates from 115* and 208/230 Volt 50/60 Hz AC Line
Variable Speed / Soft-Start with Electronic Motor Overload Protection 1