Description Of Functions - Siemens Sentron 3VA Manual

Protection devices molded case circuit breakers with ul and iec certification

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2.5 Protection functions

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):

3VA molded case circuit breakers with UL and IEC certification

Manual, 01/2019, L1V30435333-01

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