User Manual

3UG4.1 line monitoring relay
6.7 3UG4617 / 3UG4618 line monitoring relays
3UG4 / 3RR2 monitoring relays
144 Manual, 02/2013, NEB927043002000/RS-AA/002
Function diagrams 3UG4617 / 3UG4618
Display Correct phase sequence L1-L2-L3
Memory = no
Incorrect phase sequence L3-L2-L1
Memory = no
L
LN
11/14
11/12
L1-L2-L3
L2-L3
L1-L2-L3
L1-L2-L3
L1-L2-L3-NL1-L2-L3-N
21/24
21/22
50 ms
11/14
11/12
L1-L2-L3
L2-L3
L1-L2-L3
L1-L2-L3
L1-L2-L3-NL1-L2-L3-N
21/24
21/22
50 ms
Ux-y
>
Del
Ux-y
 U Hyst
11/14
11/12
21/24
21/22
50 ms
Del
Ux-y
 U Hyst
11/14
11/12
21/24
21/22
50 ms
Ux-y
>
Ux-y
! U
Hyst
11/14
11/12
21/24
21/22
Del
50 ms
Ux-y
! U
Hyst
11/14
11/12
21/24
21/22
Del
50 ms
Asym
>
Del
0 %
! Asy
Hyst, 2%
11/14
11/12
21/24
21/22
50 ms
Del
0 %
! Asy
Hyst, 2%
11/14
11/12
21/24
21/22
50 ms