Siemens Sentron 3VA Manual page 84

Protection devices molded case circuit breakers with ul and iec certification

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2.7 Electronic trip unit

All molded case circuit breakers with electronic trip units (ETUs 3-series, 5-series and 8-

series) receive the signal for switchover of the protection parameters to DAS mode via the

MMB300 maintenance mode box applied with the appropriate control scheme. You can find

more information about the MMB300 maintenance mode box in chapter MMB300

maintenance mode box (Page 351).

Additionally, it is possible to activate DAS mode for the ETUs 5-series and 8-series directly

at the molded case circuit breakers via the keys on the LCD display.

For LED displays, see chapter Operator controls (Page 84)

3VA molded case circuit breakers with UL and IEC certification

Manual, 01/2019, L1V30435333-01

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