Siemens SENTRON - Page 188

Technical specifications
11.2 Technical specifications 3KC4 and 3KC8 from 1250 A to 3200 A
188 Manual, 08/2017, L1V30368969104A-02
3KC4.52
3KC8.52
3KC4.54
3KC8.54
3KC4.56
3KC8.56
3KC4.58
3KC8.58
3KC4.60
3KC8.60
Main conductor connections
• Cu conductor, solid
mm
2
4 x 185 6 x 185 -- -- --
• Cu conductor, stranded
mm
2
4 x 185 6 x 185 -- -- --
• With cable lug (DIN 46234)
mm
2
4 x 185 6 x 185 -- -- --
• Cu busbar
mm
2
2 x 60 x 7 2 x 100 x 5 3 x 100 x 5 2 x 100 x 10 3 x 100 x 10
• Tightening torque for main con-
tacts
Nm 20 ... 26 40 ... 45 40 ... 45 40 ... 45 40 ... 45
Other properties
Power loss; per pole W 93.3 122 178 255 330
Mechanical endurance 2500 2500 1500 1500 1500
Electrical endurance (AC-23 B at
415 V)
500 500 500 500 500
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 504 x 370 x
440
596 x 380 x
440
596 x 380 x
569
596 x 380 x
569
596 x 380 x
569
Width x height x depth
(4-pole switch)
mm 584 x 370 x
440
716 x 380 x
440
716 x 380 x
569
716 x 380 x
569
716 x 380 x
569