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General Catalogue • Modular Devices • Technical
Electrical Characteristics
Family
SB
Number of poles
1P - 2P - 3P - 4P
Frame size
Frame size 1
Frame size 2
Frame size 3
Thermal current Ith
(40°C)
16A
25A
32A
40A
63A
80A
100A
125A
Operational frequency
50 / 60 Hz 50 / 60 Hz 50 / 60 Hz 50 / 60 Hz 50 / 60 Hz 50 / 60 Hz 50 / 60 Hz 50 / 60 Hz
Rated insulation
voltage (Ui)
500 V
500 V
500 V
500 V
500 V
500 V
500 V
500 V
Rated impulse with-
stand voltage Uimp
3 KV
3 KV
3 KV
6 KV
6 KV
6 KV
6 KV
6 KV
Protection degree
2
2
2
3
3
3
3
3
Working temperature
-20 to 50°C -20 to 50°C -20 to 50°C -20 to 50°C -20 to 50°C -20 to 50°C -20 to 50°C -20 to 50°C
Storage temperature
-40 to 80°C -40 to 80°C -40 to 80°C -40 to 80°C -40 to 80°C -40 to 80°C -40 to 80°C -40 to 80°C
Operational Currents I e
Rated voltage
Load duty
category
Single
Phase
Multi
Phase
230V AC 400V AC
AC 21A 16A
25A
32A
40A
63A
80A
100A
125A
230V AC 400V AC
AC 22B 16A
25A
32A
40A
63A
80A
100A
125A
230V AC 400V AC
AC 22A 16A
25A
32A
40A
63A
80A
100A
125A
230V AC 400V AC
AC 23A TBA
TBA
TBA
TBA
TBA
TBA
TBA
TBA
Short circuit characteristic
Rated short time
withstand current 1s
Icw (rms)
IEC 60947-3 480A / 1sec
945A / 1 sec
1500A / 1sec
Prospective short
circuit current (rms)
EN 60669
3kA
3kA
3kA
6kA
6kA
n/a
n/a
n/a
Associated fuse links
(gG)
16A
25A
32A
40A
63A
n/a
n/a
n/a
Mechanical characteristic
Rigid cable section
16 mm2
16 mm2
16 mm2
25 mm2
25 mm2
50 mm2
50 mm2
50 mm2
flexible cable section
10 mm2
10 mm2
10 mm2
16 mm2
16 mm2
35 mm2
35 mm2
35 mm2
Tightening torque
1.8 Nm 1.8 Nm 1.8 Nm 2.8 Nm 2.8 Nm 3.6 Nm 3.6 Nm 3.6 Nm
IP protection degree
20
20
20
20
20
20
20
20
Mechanical endurance
(number of cycle)
100,000 100,000 100,000 30,000 30,000 20,000 20,000 20,000
Electrical endurance @
AC22 (number of cyles)
25,000 25,000 25,000 5,000
5,000
2,500
2,500
2,500
Overall dimension
Width (mm)
1P
17.5
17.5
17.5
17.5
17.5
17.5
17.5
17.5
2P
17.5
17.5
17.5
35
35
35
35
35
3P
35
35
35
52.5
52.5
52.5
52.5
52.5
4P
35
35
35
70
70
70
70
70
Height (mm)
83
83
83
83
83
83
83
83
Depth (mm)
72
72
72
72
72
72
72
72
Modular Load Break Disconnectors
16A - 125A