|
|
AB Moulded Case Circuit
Breaker |
| 3SM21 series moulded case circuit breaker
is suitable for industrial or commercial power and lighting with AC
50/60HZ, rated working voltage up to AC600V/DC250V. It¡¯s a kind of
economical breaker with the characteristics of stable and reliable
function, beautiful appearance, small size and long life. It can be
for conversion of line and infrequent staring motor. It can also be
attached to install the accessories which have protection for avoiding
loss-voltage, undervoltage. The product can install connection line
with front board and back board, it can also equip hand-operating
apparatus or motor-operating apparatus to control in a remote distance. |
Type |
ABS 33b |
50ABS 52b |
ABS 53b |
ABS 63b |
Photo |
|
|
|
Rated current
In (A) 40¡æ
reference ambient temperature |
3,5,10,15,
20,30 |
10,15,20,
30,40,50 |
10,15,20,
30,40,50 |
60 |
Number of poles |
2 |
3 |
2 |
3 |
2 |
3 |
2 |
3 |
Max
rated service voltage Ui(V) |
AC |
600 |
600 |
600 |
600 |
DC |
250 |
250 |
250 |
250 |
mensions
and mounting details |
|
a |
50 |
75 |
50 |
50 |
75 |
50 |
75 |
b |
130 |
130 |
130 |
130 |
c |
56 |
56 |
56 |
56 |
ca |
82 |
82 |
82 |
82 |
bb |
110 |
110 |
110 |
110 |
aa |
0 |
25 |
0 |
25 |
0 |
25 |
0 |
25 |
Dimensions and
mounting details |
GB14048-2
AC
(No symmetry value/symmetry value) |
550V 600V
|
2.5 |
5 |
5 |
5 |
| 440V 480V |
7.5 |
7.5 |
10 |
18 |
| 380V |
10 |
10 |
18 |
25 |
| 220V 240V |
25 |
25 |
35 |
35 |
EC60/947-2
Icu
AC |
500V |
5 |
5 |
7.5 |
18 |
| 440V |
7.5 |
7.5 |
10 |
10 |
| 415V |
10 |
10 |
10 |
25 |
| 380V |
14 |
14 |
18 |
25 |
| 240V |
25 |
25 |
35 |
35 |
DC |
250V |
5 |
10 |
5 |
10 |
10 |
10 |
10 |
15 |
| 125V |
- |
- |
- |
- |
- |
- |
- |
- |
Connection way |
Press terminal |
Shopping fitting |
Alarming switch
(AL) |
- |
- |
|
|
Auxiliary switch
(AUX) |
- |
- |
|
|
Voltage release
mounting (SHT) |
- |
- |
|
|
Low Voltage release
mounting (UVT) |
- |
- |
|
|
Accessory lead
wire terminal platform (LT) |
- |
- |
|
|
Outer operate
handle |
- |
- |
- |
|
|
Terminal isolation
cover |
|
|
|
|
Automatic tripping
device |
|
- |
- |
Thermal
electroma-
gnetism type |
Trip button |
- |
- |
Have |
|
|
