CB Watch 3 User Manual v6.2 - Dec 2017 Page 8 of 100
INTRODUCTION
Product Overview
The CB Watch 3 system (often abbreviated as CBW3 in this manual) is a monitoring
system for high voltage circuit breakers. It monitors the following aspects:
▪ Operation timing
▪ SF6 gas leakage
▪ Arcing contact wear
▪ Coil circuits
▪ Stored energy system (spring or pump)
▪ Cabinet / tank heater temperature
A web server HMI is provided to both configure the system and review the data but
various communication protocols are also available to transmit the data to a Historian or
another software system.
Document Scope
This User Manual is intended to explain the various monitoring functionalities of the
CBW3 and how they can be used to monitor a high-voltage circuit breaker. All outputted
information is detailed as well as all the possible alarms that can be set. Communication
and system settings are also covered.
Please refer to the CBWatch3 Installation Manual for information on the various modules
and sensors comprising the CBW3 system. It provides all the necessary information to
install and connect them together and configure the system.
All the available CBW3 monitoring options are detailed in this user manual. Depending on
which configuration has been purchased and installed, all the functionalities described in
this document may not be available.
Abbreviations & Definitions
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