Description Of Functions - Siemens 3VA1 100 A Manual

Description
2.6 Protection system
2.6.1

Description of functions

The protection function performed by the molded case circuit breaker in the power
distribution network is defined by the choice of trip unit. There are two different types of trip
unit, i.e. thermal-magnetic (TMTU) and electronic (ETU):
70
3VA molded case circuit breakers
Manual, 04/2015, A5E03603177010-02