RDT Transfer Switch Spec Sheet

KOHLER CO., Kohler, Wisconsin 53044 USA
Phone [phone], Fax [phone]
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Availability is subject to change without notice. Kohler Co. reserves the
right to change the design or specifications without notice and without
any obligation or liability whatsoever. Contact your local Kohlerr
generator distributor for availability.
G11-139 (Model RDT Automatic Transfer Switch) 3/20f Page 6
Kohlerr Model Designation Key
This chart explains the Kohlerr transfer switch model designation system. The sample
model designation shown is for a Model R service entrance rated automatic transfer switch
that uses a standard-transition contactor with MPACr 500 electrical controls rated at
240 Volts/60 Hz with 2 poles, 3 wires, and solid neutral in a NEMA 3R enclosure with a
current rating of 200 amperes and no load center.
Model
R: Model R automatic transfer switch
Electrical Controls
C: MPACr 500 (Microprocessor ATS Control)
Number of Poles/Wires
Enclosure
0100: 100 amps 0200: 200 amps 0400: 400 amps
RDT-CFNC-0200ASE
SAMPLE MODEL DESIGNATION
Mechanism
D: Specific-breaker rated
Transition
T: Standard transition
Load Center
A: Without load center
B: With load center (not available on 400 Amp models)
D: 220 Volts/50 Hz
F: 240 Volts/60 Hz
Voltage/Frequency
N: 2-pole, 3-wire, solid neutral
A: NEMA 1 (steel) *
C: NEMA 3R (aluminum)
Model Controls Voltage Poles Enclosure Current Rating
Load CenterMechanism Transition
Current Rating: Numbers indicate the current rating of the switch in amperes:
* NEMA 1 only: 100 and 200 amp models without load centers can be rec ess-mounted between wall studs. Optional wall-mount bezel available.
The NEMA 1 enclosure for 400 amp models is aluminum.
Service Entrance:
SE: Service entrance model (200 and 400 Amp models available)
Blank: Not rated for service entrance
Service Entrance