AIR CIRCUIT BREAKERS
www.
sigmaelektrik
.com
8
ACB
Type
SDA 2000 / SFA 2000 SDA 3200 / SDA 3200 SDA 4000 / SFA 4000
Kind Of assembly
No Of Poles
3-4
3-4
3-4
Electrical Specifications
Rated Current at 40°ºC
A
630, 800, 1000, 1250,
1600,2000
2500, 3200
4000
Raqted Voltage
Ue
V
AC
680
680
680
Rated Insulation Voltage
Ui
V
1000
10000
1000
Rated Impulse Withstand
Voltage
Uimp
kV
8
8
8
Rated Short-circuit Break-
ing Capacity
Rated Ultimate Short-circuit
Breaking Capacity
Icu
kA
690 V
AC
50
65
65
415 V
AC
80
100
100
Rated Service Short-circuit
Breaking Capacity
Ics
kA
690 V
AC
40
50
50
415 V
AC
50
65
65
Category
A,B
A,B
A,B
Pollution degree
3
3
3
Electrical life
ope.
415 V
1500
1000
500
Mechanical life
ope.
10000
5000
5000
Tripping Unit
Electronic
Electronic
Electronic
Long-time delay current
Ir
A
(0,4-1)xIn
(0,4-1)xIn
(0,4-1)xIn
MAIN TECHNICAL PARAMETERS
