3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
109
Applications
3
3.1
3VA IEC trip units
1)
In positions 9 and 10 of the Article No.
2)
After a short circuit, tripping occurs at 140% of the set instantaneous short-circuit current with a 1-pole load.
FTFM
T (thermal trip unit) and M (magnetic trip unit) fixed
ATFM
T (thermal trip unit) adjustable, M (magnetic trip unit) fixed
ATAM T (thermal trip unit) and M (magnetic trip unit) adjustable