Installation Guide 7
Issue Number: 2 www.johnsoncontrols.com
Safety information
Rating data
Mechanical installation Electrical installation Operation Technical specifications UL listing information
2Rating data
Table 2-1 Model numbers and ratings
Table 2-2 Cables
Overload capacity
110% of output current for 1 minute.
Output frequency
0 to 60Hz
Output voltage
3 phase, 0 to drive rating (230 or 460Vac)
The output frequency can be increased by 20% during deceleration to avoid tripping the drive.
2.1 Supply types
The drive is suitable for use on:
Star and Delta connected supplies
Three phase supplies with a grounded star point neutral configuration.
Three phase supplies with a line grounded delta configuration.
Ground supplies
Supplies with ground configurations TN, TN-C and TN-S.
Model
number
Motor
power
Supply voltage
and frequency
Output voltage
and frequency
Input
fuse
rating
Typical
RMS
input
current
Rated RMS
output current
(A)
hp A A 50°C60°C
VFD66JCB-1 1.5
3 phase 200 to
240Vac ±10%
48 to 65Hz
Three phase
0 to 240Vac
0 to 60Hz
10 7.7 6.0 N/A
VFD66KCB-1 1.5
3 phase 380 to
480Vac ±10%
48 to 65Hz
Three phase
0 to 480Vac
0 to 60Hz
6 4.4 3.0 N/A
Model VFD66JCB-1 VFD66KCB-1
Control cables
mm
2
≥0.5 ≥0.5
AWG 20 20
Minimum recommended input wire
mm
2
1.5 1.5
AWG 14 14
Minimum recommended motor wire
mm
2
1.5 1.5
AWG 14 14