Siemens SIRIUS 3UG4 - Page 227

Cos phi and active current monitoring for three-phase motors
3UG4641
Lx
Ly/N
IN
12
11
14
22
21
24
ϕ
I r
| / |
I r
|
/
ϕ
|
M
3~
n = 1, 2, 3
Ln
Ln
Ln
3~, I ≤ 10 A
Cos phi and active current monitoring for three-
phase motors
3UG4641
Lx
Ly/N
IN
12
11
14
22
21
24
ϕ
I r
| / |
I r
|
/
ϕ
|
M
3~
n = 1,2,3
Ln
Ln
Ln
N
3/N~, I ≤
10 A
Cos phi and active current monitoring for three-
phase motors (with neutral conductor)
Cos phi and active current monitoring for three-phase motors with transformers for currents
3UG4641
Lx
Ly/N
IN
12
11
14
22
21
24
ϕ
I r
| / |
I r
|
/
ϕ
|
M
3~
n = 1, 2, 3
Ln
Ln
Ln
3~, I > 10 A
Cos phi and active current monitoring for three-
phase motors with transformers for currents
3~, I > 10 A
3UG4641
Lx
Ly/N
IN
12
11
14
22
21
24
ϕ
I r
| / |
I r
|
/
ϕ
|
M
3~
n = 1,2,3
Ln
Ln
Ln
N
Cos phi and active current monitoring for three-
phase motors with transformer for currents (with
neutral conductor)
3UG4641 cos phi and active current monitoring relay
11.6 Circuit diagrams
SIRIUS 3UG4 / 3RR2 monitoring relay
Equipment Manual, 07/2021, NEB927043002000/RS-AD/005 227