KB Genesis KBAC Series, Installation & Operation Manual

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Models KBAC-24D, 27D: Designed to 

accept 1-phase AC Line input only 

(Terminals L1, L2). Rated for 208/230 Volt 

AC Line input with Jumper J1 set to the 

“230V” position (factory setting). Rated 

for 115 Volt AC Line input with Jumper J1 

set to the “115V” position. See Figure 10.

Model KBAC-29: Designed to accept 

1-phase (Terminals L1, L2) or 3-phase 

(Terminals L1, L2, L3) AC Line input. 

Rated for 208/230 Volt AC Line input 

only. See Figure 11.

Model KBAC-29(1P): Designed to 

accept 1-phase AC Line input 

(Terminals L1, L2). Rated for 

208/230 Volt AC Line input only. 

See Figure 10.

*Note: Model KBAC-29 is rated 2 HP maximum with 1-phase AC Line input and 3 HP maximum with 3-phase AC Line input.

to Terminals "L1", "L2", as shown below.

Model KBAC-29 Only

Wire the single-phase AC Line input

208/230 Volt

AC Line Input

Single-Phase, 50/60 Hz

Ground (Earth)

L3

L2

L1

AC LINE

Ground (Earth)

3-Phase, 50/60 Hz

208/230, 400/460 Volt

Motor

AC Line Input

W

U

V

MOTOR

TB1

L1

L3

L2

AC LINE

Figure 11 – Models KBAC-29*, 45, 48 AC Line Input, Motor, and Ground Connections

AC LINE

MOTOR

Motor

V

U

W

AC Line Input

115, 208/230 Volt

Single-Phase

Ground (Earth)

L1

L2

TB1

Figure 10 – Models KBAC- 24D, 27D*, 29 (1P)

AC Line Input, Motor, and Ground Connections

*Model KBAC-27D is rated 11⁄2 HP maximum with 115 Volt AC Line input and 
2 HP maximum with 208/230 Volt AC Line input.

TB1

L1

L2

L3

AC  LINE

U

W

MO TOR

V

Ground

Chassis

Chassis

Motor

Ground

3-phase, 50/60 Hz AC Line Input

KBAC-217 Series: 208/230 Volts AC

KBAC-416 Series: 400/460 Volts AC

(Earth)

(Earth)

Figure 12 – KBAC-217, 416 Series

AC Line Input, Motor, and Ground Connections

Models KBAC-45, 48: Designed to 

accept 3-phase AC Line input only 

(Terminals L1, L2, L3). Rated for 

400/460 Volt AC Line input only. 

See Figure 11.

KBAC-217 Series: Designed to accept 

3-phase (Terminals L1, L2, L3) AC Line 

input. Rated for 208/230 Volt AC Line 

input only. See Figure 12.

KBAC-416 Series: Designed to accept 

3-phase (Terminals L1, L2, L3) AC Line 

input. Rated for 400/460 Volt AC Line 

Input only. See Figure 12.

5.2  Ground Connection – Connect the 

Ground Wire (Earth) to the Green 

Ground Screw. The Ground Screw is 

located next to Terminal Block TB1. 

See Figures 10 -12.