KBWT Series Installation and Operation Instructions (A40130) – Rev. B00 – 5/29/2013
Page 2 of 7
TABLE 1
GENERAL PERFORMANCE SPECIFICATIONS
Description Specification Factory Setting
Models KBWT-16, 110, 112 AC Line Input Operating Range (Volts AC, 50/60 Hz) 115 (± 15%) ──
Models KBWT-26, 210 AC Line Input Operating Range (Volts AC, 50/60 Hz) 208 (-15%) / 230 (+15%) ──
Speed Range (Ratio) 50:1 ──
Field Voltage for Models KBWT-16, 110, 112 (for Shunt Wound Motors Only) (Volts DC) 100 / 50 ──
Field Voltage for Models KBWT-26, 210 (for Shunt Wound Motors Only) (Volts DC) 200 / 100 ──
Operating Frequency (kHz) >16 ──
Form Factor (RMS/AVG Amps) <1.05 ──
AC Line Load Regulation (% Base Speed) 0.5 ──
Load Regulation (% Base Speed) 1* ──
Analog Input Voltage (Voltage Following) (Volts DC) 0 – 5 ──
Voltage Following Linearity (% Base Speed) ±5 ──
Main Speed Potentiometer (5 Watts) 5 kΩ ──
Fixed Timed Current Limit (I X t) (Seconds) 3, 5, 10 3
Current Limit (CL) Trimpot Range (% Full Load) 0 – 200 150
IR Compensation (IR) Trimpot Range at Full Load (Models KBWT-16, 26) (Volts DC) 0 – 15 6
IR Compensation (IR) Trimpot Range at Full Load (Models KBWT-110, 112, 210) (Volts DC) 0 – 15 3
Maximum Speed (MAX) Trimpot Range (% Base Speed) 50 – 100 100
Minimum Speed (MIN) Trimpot Range (% Base Speed) 0 – 30 0
Acceleration (ACCEL) Trimpot Range (Seconds) 0.2 – 12 2
Deceleration (DECEL) Trimpot Range (Seconds) 0.2 – 12 2
Operating Temperature Range (°C / °F) 0 – 40 / 32 – 104 ──
Operating Humidity Range (% Relative, Non-Condensing) 0 – 95 ──
Storage Temperature (°C / °F) -25 – +85 / -13 – +185 ──
*Based on a motor having linear IR compensation characteristics.
TABLE 2
ELECTRICAL RATINGS
Maximum Horsepower
AC Line Input Output
Continuous
Duty
Intermittent
Duty
(1 Minute) Continuous Duty Rating
Model No. Part No.
HP (kW) HP (kW)
Volts AC
(50/60 Hz)
Maximum
Current
(Amps RMS)
Fuse or
Circuit
Breaker
Rating
(Amps AC)
Amps DC Volts DC Amps DC Volts DC
Armature
Fuse
(Amps DC)
KBWT-16 8614 0.75 (0.5) 1.5 (1.1) 115 10 15 6.0 90 6.0 130 10.0
KBWT-26 8615 1.5 (1.1) 3.0 (2.0) 208/230 10 15 6.0 180 6.0 200 10.0
KBET-110 8603 1.2 (0.9) 2.0 (1.5) 115 15 20 10.0 90 8.5 130 15.0
KBWT-112 8612 1.5 (1.1) 2.5 (1.9) 115 18 25 12.0 90 10.5 130 20.0
KBWT-210 8610 2.2 (1.7) 4.0 (3.0) 208/230 15 20 10.0 180 8.5 200 15.0
WARNING! This drive has been factory Hi-Pot tested. If you choose to perform another Hi-Pot test on the
drive, there is a risk that the drive can be damaged. Contact our Sales Department.
2 MOUNTING INSTRUCTIONS
The drive should be mounted on a flat surface and located in an area where it will not be exposed to
contaminants such as water, metal chips, solvents, or excessive vibration. When mounting the drive in an
enclosure, the enclosure should be large enough to allow proper heat dissipation so that the ambient temperature
does not exceed 40 °C (104 °F) at full rating. See Figure 1, on page 3.
(36 pages)
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