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3RU11, 3RB10, and 3RB12 overload relays
SIRIUS System Manual
GWA 4NEB 430 0999-02b
4-41
Short-circuit protection with fuses for motor feeders with short-circuit currents of up to 70 kA at 50/60 Hz 690 VAC
Permissible short-circuit protection for motor starters consisting of an overload relay and a contactor of the coordination type "2"
Frame size S00
UL
fuse
RK5
Circuit breaker for
starter protection at
I
q
= 50 kA / 400 VAC
Adjustment range
3 kW
3RT10 15
I
e
max
= 7 A
(at 50 Hz 400 VAC)
4 kW
3RT10 16
I
e
max
= 9 A
(at 50 Hz 400 VAC)
5.5 kW
3RT10 17
I
e
max
= 12 A
(at 50 Hz 400 VAC)
A
gL/gG
aM
BS88T
gL/gG
aM
BS88T
gL/gG
aM
BS88T
A
0.11 to 0.16
0.5
–
–
0.5
–
–
0.5
–
–
1
–
0.14 to 0.2
1
–
–
1
–
–
1
–
–
1
3RV1321-0BC10
0.18 to 0.25
1
–
–
1
–
–
1
–
–
1
3RV1321-0CC10
0.22 to 0.32
1.6
–
2
1.6
–
2
1.6
–
2
1
3RV1321-0DC10
0.28 to 0.4
2
–
2
2
–
2
2
–
2
1.6
3RV1321-0EC10
0.35 to 0.5
2
–
2
2
–
2
2
–
2
2
3RV1321-0FC10
0.45 to 0.63
2
–
4
2
–
4
2
–
4
2.5
3RV1321-0GC10
0.55 to 0.8
4
–
4
4
–
4
4
–
4
3
3RV1321-0HC10
0.7 to 1
4
–
6
4
–
6
4
–
6
4
3RV1321-0JC10
0.9 to 1.25
4
–
6
4
–
6
4
–
6
5
3RV1321-0KC10
1.1 to 1.6
6
–
10
6
–
10
6
–
10
6
3RV1321-1AC10
1.4 to 2
6
–
10
6
–
10
6
–
10
8
3RV1321-1BC10
1.8 to 2.5
10
–
10
10
–
10
10
–
10
10
–
2.2 to 3.2
10
–
16
10
–
16
10
–
16
12
–
2.8 to 4
16
–
16
16
–
16
16
–
16
16
–
3.5 to 5
20
6
20
20
6
20
20
6
20
20
–
4.5 to 6.3
20
6
20
20
6
20
20
6
20
25
–
5.5 to 8
20
10
20
20
10
20
20
10
20
30
–
7 to 10
20
16
20
20
16
20
40
–
9 to 12
20
16
25
45
–
Frame size S0
UL
fuse
RK5
Circuit breaker for
starter protection at
I
q
= 50 kA / 400 VAC
Adjustment range
5.5 kW
3RT10 24
I
e
max
= 12 A
(at 50 Hz 400 VAC)
7.5 kW
3RT10 25
I
e
max
= 17 A
(at 50 Hz 400 VAC)
11 kW
3RT10 26
I
e
max
= 25 A
(at 50 Hz 400 VAC)
A
gL/gG
aM
BS88T
gL/gG
aM
BS88T
gL/gG
aM
BS88T
A
1.8 to 2.5
10
–
10
10
–
10
10
–
10
10
3RV1321-1CC10
2.2 to 3.2
10
–
16
10
–
16
10
–
16
12
3RV1321-1DC10
2.8 to 4
16
–
16
16
–
16
16
–
16
16
3RV1321-1EC10
3.5 to 5
20
6
20
20
6
20
20
6
20
20
3RV1321-1FC10
4.5 to 6.3
20
6
25
20
6
25
20
6
25
25
3RV1321-1GC10
5.5 to 8
25
10
25
25
10
25
25
10
25
30
3RV1321-1HC10
7 to 10
25
16
25
25
16
25
32
16
35
40
3RV1321-1JC10
9 to 12.5
25
20
25
25
20
25
35
20
35
45
3RV1321-1KC10
11 to 16
25
20
25
25
20
25
35
20
35
60
3RV1321-4AC10
14 to 20
25
20
25
35
20
35
80
3RV1321-4BC10
17 to 22
35
20
35
80
3RV1321-4CC10
20 to 25
35 20
35
100