Product Manual

Table Of Contents
2. Introduction 7-2019
8 A052S254 (Issue 3)Copyright © 2019 Cummins Inc.
2.4 Model Identification
The model number, serial number, and electrical characteristics are shown on the nameplate. The
nameplates for the RA Series transfer switches are located on the inner back of the enclosure near the
bottom. Refer to the table below for the meaning of the model number characters.
TABLE 2. RA SERIES TRANSFER SWITCH MODEL CHARACTER KEY
Character Type Character(s)
Used
Specification
Series Name 2 RA
Amperage 1 1
Phase 1 1
Poles 1 2
Configuration 1 L
Enclosure Type 1 1
The example below is the designation for the RA112L1 model:
RA switch series
1 - Amps (1-100, 2-200, etc.)
1 - Phase (1-single, 3-3phase)
2 - Number of poles
L - Configuration (S - service entrance, N - non service entrance, L - load center)
1 - NEMA rating on box (1-1, 3-3R)
When contacting a distributor regarding the transfer switch, always give the complete model and date
code. This information is necessary to properly identify the unit among the many types manufactured. See
the How to Obtain Service section for more information.
2.5 How to Obtain Service
When a product requires servicing, contact the nearest Cummins service provider. To locate the
distributor, go to www.cummins.com/support and select Sales and Service Locator. When contacting
the service provider, always supply the complete model (RA112L1), specification, and serial number as
shown on the nameplate.
In the U.S. and Canada
To easily locate the nearest certified distributor/dealer for Cummins generator sets in your area, or for
more information, contact us at 1-800-CUMMINS
TM
(1-800-286-6467) or visit
www.cummins.com/support.
If unable to contact a distributor using the automated service, consult the Internet.
If unable to arrange a service or resolve an issue, contact the Service Manager at the nearest Cummins
distributor for assistance.
When contacting the distributor, always supply the complete Model, Specification, and Serial Number as
shown on the product nameplate.
Outside the U.S. and Canada