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Page 4
INTRODUCTION
Cutler-Hammer Digitrip Retrofit Kits are available in
a number of configurations that provide a wide
range of features. The Digitrip System starts with
the 510 Basic Kit which offers true RMS sensing,
overcurrent protection, and self-testing features.
Advanced Digitrip Retrofit Kits feature zone
interlocking, digital alphanumeric displays, remote
alarm signals, PowerNet communications, energy
monitoring capabilities, power factors, and
harmonic content measurements.
The following table provides a quick reference of
the components supplied with each level of Retrofit
Kit. Before beginning the Retrofit process, take a
minute to review the information contained in the
Table 1
Available Retrofit Kits
Components
Trip Unit
Rating Plug
Auxiliary Current
Transformer
(CT) Module
Auxiliary
CT Harness
Sensors
Sensor Harness
Direct Trip
Actuator (DTA)
Mounting Brackets
and Hardware
External
Harness
Cell Harness
Breaker Mounted
Control Power
Transformer (CPT)
Potential Transformer
(PT) Module
Auxiliary Switch
510 Basic
510 with
Zone
Interlock
Plug
1 Connector
Harness
table. It is important that the Retrofitter
understands which level of Retrofit Kit is to be
installed and which components are included with
the Kit. The instructions contained in this manual
cover the installation of all levels of Retrofit Kit. If
the Kit you are installing does not contain a certain
component, skip the instructions for that
component and proceed to the next.
Throughout the Retrofit process, refer to the Torque
Tables at the back of this manual for specific
torque values.
If you have any questions concerning the Retrofit
Kit and / or the Retrofit process, contact
Cutler-Hammer at: 1-800-937-5487.
610
2 Connector
4 Connector
Harness
Harness
IL 33-K2C-3
810
910
4 Connector
Harness
Effective 10/00
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