Applications; Line Protection Applications Of 3Va Molded Case Circuit Breakers - Siemens 3VA1 100 A Manual

Applications

3.1

Line protection applications of 3VA molded case circuit breakers

The main applications of the circuit breakers as line protection components are:
● In main switchboards to provide protection for cables to subdistribution boards
● In subdistribution boards to provide protection for cables to small distribution boards
● Protection for mixed load (e.g. machine, lighting system, heating system, etc.)
The trip units for line protection are designed to provide overload and short-circuit protection
for:
● Cables
● Leads
● Non-motor loads
3VA molded case circuit breakers
Manual, 04/2015, A5E03603177010-02
3
105