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Data is subject to errors and technical modifications.
Modular Devices
& Enclosures
Load Break Disconnectors - 16A-25A
Technical Data
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 withstand
voltage U imp
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 I cw (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