156 / 381
4.53
Sales Service Centre • 01952 675612 Technical Support Helpline • 01952 675689
MCCBs, Moulded Case Switches
x250
MCCBs
Magnetic and thermal settings
220/240V AC
IEC 60 947-2
380/415V AC
IEC 60 947-2
HHB
Icu 35 kA
25 kA
Ics 25 kA
20 kA
HNB
Icu 85 kA
40 kA
Ics 40 kA
20 kA
HCB
Icm -
9 kA
Icw -
3 kA - 1s
Ech. 50%
Ech. 25%
PUSHTOTRIP
PUSHTOTRIP
PUSHTOTRIP
Thermal adjustment from 0.63 to 1 x In
Magnetic adjustment from 6 to 13 x In (100 - 200A)
from 5 to 11 x In (250A)
Ech. 50%
PUSHTOTRIP
6
TRIP
①
100 - 200A
250A
Ir (x In)
①
0.63 - 0.8 - 1 x In
Ii (x In)
②
6 - 8 - 10 - 13 x In 5 - 7 - 9 - 11 x In
x In/Ii
③
0 - 100%
0 - 60%
Ech. 80 %
5
8
10
13
l i (xIn)
6
l r (xIn)
0.63
0.8
1
PUSHTOTRIP
②
6
5
8
10
13
%0
100%
l i (xIn)
xIn / Ii
l r (xIn)
0.63
0.8
1
6
③
②
①
Protection
Devices