Siemens SENTRON 3VA1 Manual page 182

Applications
3.7 400 Hz network applications of 3VA molded case circuit breakers
For further information on trip units and details about the setting parameters, please refer to
chapter Line protection applications of 3VA molded case circuit breakers (Page 110).
It is not possible to use electronic trip units for this application.
See also
Temperature compensation for thermal-magnetic trip units TM210, TM220 and TM240
(Page 632)
180
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03