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Moulded case circuit breaker-Tmax
1. comply with standard of IEC947-2
2. accord with standard of GB 14048.2, GB14048.4 and so on
Type and meaning
Due to the sort of function of the editing board, the type and meaning of our products will be showed by taking one type for example: Eg: SDMT3-100D/3
“SD”---Saide electrical Co., Ltd
“M”---moulded case circuit breaker
“T”—Tmax series
“5”---design code
“100”---rated current of frame, 100 represents the rated current 100A. Another classification of 160, 250,400 and 630.
“D”---breaking capacity grade of rated limiting short-circuit. Another two grades, N,H and L
“3”---pole number 3. Another two poles2 and 4
Main technical specifications
|
Type |
Rated current(A) |
Pole number |
Rated insulating
Voltage(V) |
Rated operating
Voltage(V) |
Arcing-over
Distance
(mm) |
Ultimate short circuit breaking
Capacity(kA) |
Short circuit breaking
Capacity(kA) |
operation |
|
on |
off |
|
SDMT5-100D |
12.5, 16, 20, 25, 32,
40, 50, 63, 80, 100 |
2P
3P
4P |
950 |
690
or below |
0 |
18 |
18 |
1500 |
8500 |
|
SDMT5-100N |
25 |
25 |
|
SDMT5-100H |
70 |
70 |
|
SDMT5-100L |
150 |
150 |
|
SDMT5-160D |
16, 20, 25, 32, 40, 50,
63,80, 100
125,160 |
25 |
25 |
1000 |
7000 |
|
SDMT5-160N |
36 |
36 |
|
SDMT5-160H |
70 |
70 |
|
SDMT5-160L |
150 |
150 |
|
SDMT5-250D |
160,180,
200, 225
250 |
25 |
25 |
1000 |
7000 |
|
SDMT5-250N |
36 |
36 |
|
SDMT5-250H |
70 |
70 |
|
SDMT5-250L |
150 |
150 |
|
SDMT5-400D |
200,225,
250,300
315,400 |
3P
4P |
950 |
690
or below |
0 |
35 |
35 |
1000 |
4000 |
|
SDMT5-400N |
45 |
45 |
|
SDMT5-400H |
70 |
70 |
|
SDMT5-400L |
150 |
150 |
|
SDMT5-630D |
315,350,
400,500,
600,630 |
35 |
35 |
1000 |
4000 |
|
SDMT5-630N |
45 |
45 |
|
SDMT5-630H |
70 |
70 |
|
SDMT5-630L |
150 |
150 |
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