3WL/3VL circuit breakers with communication capability - PROFIBUS
System Manual, 03/2011, A5E01051353-02
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Introduction and overview
1
1.1 General information
1.1.1 Structure of the manual
Purpose of the manual
This manual describes the diverse application options of circuit breakers with communication
capability in power distribution.
1.1.2 Introduction
In industrial automation, the demand for communication capability, data transparency and
flexibility is growing constantly. To enable industrial switchgear technology to meet this
demand, the use of bus systems and intelligent switching devices is unavoidable since
industrial production and building management are now inconceivable without
communication technology.
The demands on the electrical and mechanical properties of circuit breakers, their
adaptability and cost-effectiveness have contributed to the unexpectedly far-reaching
development of circuit breakers in recent years. Progress in rationalization and automation
has accelerated this process.
1.1.3 SENTRON circuit breakers
SENTRON is a range of circuit breakers with communication capability comprising two
models:
● SENTRON WL: air circuit breaker
● SENTRON VL: compact circuit breaker
In power distribution systems they can transfer important information via bus systems to a
central control room for the purpose of:
● Diagnostics management
● Fault management
● Maintenance management
● Cost center management
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