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BETA Protecting
Residual Current Protective Devices
SIQUENCE 5SM3, 5SU1 universal
current-sensitive type B
2/10
Siemens ET B1 · 10/2008
*
You can order this quantity or a multiple thereof.
2
■
Selection and ordering data
Rated residual
current
Rated current Max. permissible
short-circuit
back-up fuse
MW DT Order No.
Price
per PU
PG PU PS*/
P. unit
Weight
per PU
approx.
I
n
I
n
mA
A
A
Unit(s) Unit(s) kg
SIQUENCE RCCBs, type B
super resistant
æ
1
P+N; 230 V AC; 50 ... 60 Hz
N
30
16
100
4
A
5
SM3 321-4
015 1
1
0.590
25
A
5
SM3 322-4
015 1
1
0.590
40
A
5
SM3 324-4
015 1
1
0.588
63
A
5
SM3 326-4
015 1
1
0.591
300
16
100
4
A
5
SM3 621-4
015 1
1
0.600
25
A
5
SM3 622-4
015 1
1
0.600
40
A
5
SM3 624-4
015 1
1
0.591
63
A
5
SM3 626-4
015 1
1
0.586
3
P+N; 230 ... 400 V AC; 50 ... 60 Hz
30
25
100
4
A
5
SM3 342-4
015 1
1
0.600
40
A
5
SM3 344-4
015 1
1
0.600
63
A
5
SM3 346-4
015 1
1
0.600
80
B
5
SM3 347-4
015 1
1
0.600
300
25
100
4
}
5
SM3 642-4
015 1
1
0.520
40
A
5
SM3 644-4
015 1
1
0.520
63
A
5
SM3 646-4
015 1
1
0.520
80
B
5
SM3 647-4
015 1
1
0.520
500
63
100
4
B
5
SM3 746-4
015 1
1
0.520
80
B
5
SM3 747-4
015 1
1
0.520
SIQUENCE RCCBs, type B
selective
î
3
P+N; 230 ... 400 V AC; 50 ... 60 Hz
300
63
100
4
B
5
SM3 646-5
015 1
1
0.520
80
B
5
SM3 647-5
015 1
1
0.520
500
63
100
4
B
5
SM3 746-5
015 1
1
0.520
80
B
5
SM3 747-5
015 1
1
0.520
SIQUENCE RCBOs, type B
super resistant
æ
,
rated switching capacity 10 kA
4
P; 400 V AC; 50 ... 60 Hz
Characteristic C
30
100
11
B
5
SU1 374-7AK81
017 1
1
2.050
125
B
5
SU1 374-7AK82
017 1
1
2.050
300
100
11
B
5
SU1 674-7AK81
017 1
1
2.050
125
B
5
SU1 674-7AK82
017 1
1
2.050
Characteristic D
30
100
11
B
5
SU1 374-8AK81
017 1
1
2.050
300
100
11
B
5
SU1 674-8AK81
017 1
1
2.050
4
P; 480 V AC; 50 ... 60 Hz
Characteristic C
300
100
11
B
5
SU1 674-7CK81
017 1
1
2.050
125
B
5
SU1 674-7CK82
017 1
1
2.050
SIQUENCE RCBOs, type B
selective
î
,
rated switching capacity 10 kA
4
P; 400 V AC; 50 ... 60 Hz
Characteristic C
300
125
11
B
5
SU1 674-7BK82
017 1
1
1.950
Characteristic D
300
100
11
B
5
SU1 674-8BK81
017 1
1
1.950
10 000
-25
(
Type B)
© Siemens AG 2008