27
26
■ Yes □ Optional — No
1P and 2P are only available for Ex9MD1 and Ex9MD2; 250V is 1P in series, 500V is 2P in series, 750V is 3P in series, and 1000V is 4P in series.
*
Functions
Functions
Ex9MD series DC moulded case circuit breaker
Ex9MD1
Ex9MD2
Ex9MD3
Ex9MD4
Ex9MD5
Ex9MD6
Frame size rated current Inm (A)
160
250
400/630
630
800
1600
Rated insulation voltage Ui (V)
1000
1000
1000
1000
1000
1000
Rated impulse withstand voltage Uimp (kV)
8
8
12
12
12
8
Rated operating voltage Ue (V)
250/500/750/1000
250/500/750/1000
750/1000
750/1000
750/1000
750/1000
Rated operating current
In(A), 40°C
Thermo-magnetic
16-20-25-32-40-50-63-80-100-125-160
125-160-180-200-225-250
250-315-350-400-500
400-500-630
630-700-800
800-1000-1250-
1600
Breaking capacity code
Pole number
B
S
N
Q
H
B
S
N
Q
H
B
S
N
Q
H
B
S
N
Q
H
B
S
N
Q
H
B
S
1P
■
■
■
—
—
■
■
■
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2P
■
■
■
■
■
■
■
■
■
■
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
3P
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
4P
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
Rated ultimate short circuit
breaking capacity Icu (kA)
DC250V 1P
25
36
50
—
—
25
36
50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
DC500V 2P in series 25
36
50
70
100
25
36
50
70
100
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
DC750V 3P in series 25
36
50
70
100
25
36
50
70
100
25
36
50
70
100
25
36
50
70
100
25
36
50
70
100
25
36
DC1000V 4P in series
25
36
50
70
100
25
36
50
70
100
25
36
50
70
100
25
36
50
70
100
25
36
50
70
100
25
36
Rated service short circuit
breaking capacity Ics (kA)
DC250V 1P
25
36
50
—
—
25
36
50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
DC500V 2P in series 25
36
50
70
100
25
36
50
70
100
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
DC750V 3P in series 25
36
50
70
100
25
36
50
70
100
25
36
50
70
100
25
36
50
70
100
25
36
50
70
100
25
36
DC1000V 4P in series
25
36
50
70
100
25
36
50
70
100
25
36
50
70
100
25
36
50
70
100
25
36
50
70
100
25
36
Application category
A
A
A
A
A
A
Isolating function
■
■
■
■
■
■
Flashover distance (mm)
0
0
0
0
0
0
Applicable standards
IEC/EN 60947-2
IEC/EN 60947-2
Operating ambient temperature
-40°C~70°C
-40°C~70°C
Mechanical life (times)
Maintenance free
15000
15000
15000
10000
10000
6000
Electrical life (times)
DC1000V,In
2000
1500
1500
1500
1000
1000
Outline dimensions
(mm)
Width (W)
╳
Height
(H)
╳
Depth (D)
w
H
D
Width (1P/2P/3P/4P) 35/62/90/120
40/75/105/140
140/185
195/260
195/260
210/280
Height
140
157
255
300
300
286
Depth
81.6
96.5
118.5
142
142
167
Weight (kg)/fixed type
1P
0.5
0.75
—
—
—
—
2P
0.9
1.3
—
—
—
—
3P
1.2
1.85
5.5
10.7
10.7
13.5
4P
1.7
2.5
7.0
14.5
14.5
17.5