Siemens SENTRON - Page 185

Technical specifications
11.1 Technical specifications 3KC4 and 3KC8 from 250 A to 1000 A
Manual, 08/2017, L1V30368969104A-02
185
3KC4.38
3KC8.38
3KC4.42
3KC8.42
3KC4.46
3KC8.46
3KC4.48
3KC8.48
3KC4.50
3KC8.50
Main conductor connections
• Cu conductor, solid
mm
2
1 x (95 ...
150)
1 x (185 ...
240)
2 x (150 ...
300)
2 x (185 ...
300)
2 x 240 ...
4 x 185
• Cu conductor, stranded
mm
2
1 x (95 ...
150)
1 x (185 ...
240)
2 x (150 ...
300)
2 x (185 ...
300)
2 x 240 ...
4 x 185
• With cable lug (DIN 46234)
mm
2
1 x 150 1 x 240 2 x 300 2 x 300 4 x 185
• Cu busbar
mm
2
1 x 32 x 5 1 x 32 x 8 2 x 40 x 5 2 x 50 x 5 2 x 60 x 5
• Tightening torque for main
contacts
Nm 20 ... 26 20 ... 26 40 ... 45 8.3 ... 13 8.3 ... 13
Other properties
Power loss; per pole W 5.9 15.1 32.4 41.7 46.9
Mechanical endurance 7000 4000 4000 2500 2500
Electrical endurance (AC-23 B at
415 V)
1000 1000 1000 500 500
IP protection class / with cover IP00 / IP20
Ambient temperature during opera-
tion
°C -20 ... +70
Ambient temperature during storage °C -40 ... +70
Width x height x depth
(3-pole switch)
mm 328 x 160 x
292
328 x 170 x
292
377 x 260 x
369
504 x 370 x
440
504 x 370 x
440
Width x height x depth
(4-pole switch)
mm 378 x 160 x
292
378 x 170 x
292
437 x 260 x
369
584 x 370 x
440
584 x 370 x
440