Siemens SENTRON - Technical Specifications; Technical Specifications 3 KC4 and 3 KC8 from 250 A to 1000 A

Manual, 08/2017, L1V30368969104A-02
183
Technical specifications
11
The technical specifications of the 3KC4 and 3KC8 transfer switching equipment in
accordance with IEC 60947-3 and IEC 60947-6-1 are described in this chapter:
11.1
Technical specifications 3KC4 and 3KC8 from 250 A to 1000 A
3KC4.38
3KC8.38
3KC4.42
3KC8.42
3KC4.46
3KC8.46
3KC4.48
3KC8.48
3KC4.50
3KC8.50
Uninterrupted current A 250 400 630 800 1000
Operating voltage at 50/60 Hz AC
in compliance with IEC 60947-6-1
V 415
Operating voltage at 50/60 Hz AC
in compliance with IEC 60947-3
V 690
Insulation voltage V 1000 AC; 1000 DC
Impulse withstand voltage (U
imp
) of
the main circuit
kV 12 12 12 12 12
Impulse withstand voltage (U
imp
) of
the control circuit
kV 4 4 4 4 4
Overvoltage category with pollution
degree 3
RTSE: IV; ATSE: III
Operational current in compliance with IEC 60947-6-1
• AC-31 B 415 V
A 250 400 630 800 1000
• AC-32 B 415 V
A 200 400 500 800 1000
• AC-33 B 415 V
A 200 200 400 800 800
Operational current in compliance with IEC 60947-3
• AC-21 A/B 415 V
A 250 400 630 800 1000
• AC-21 A/B 690 V
A 200 200 500 800 1000
• AC-22 A/B 415 V
A 250 400 630 800 1000
• AC-22 A/B 690 V
A 160 160 400 630 800
• AC-23 A/B 415 V
A 200 400 500/630 800 1000
• AC-23 A/B 690 V
A 125 125 400 630 630
• DC-21/-22 A 220 V
A 250 250 630 800 1000
• DC-21/-22/-23 A 440 V;
DC-23 220 V
A 200 200 630 800 1000