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IoT Smart Metering MCCB
MTM5M
The MTM5M smart MCCB is designed for low-voltage AC power grids (50Hz) with a rated insulation voltage of 1000V, current range of 100A~630A, and working voltage up to 400V. It offers energy distribution, protection against overload, short circuits, overvoltage, undervoltage, phase loss, and indirect contact protection to prevent fire hazards from ground faults caused by insulation damage.
Electrical Characteristics
| Models |
MTM5M_125A |
MTM5M_250A |
MTM5M_400A |
MTM5M_630A |
|
|
Frame size rated current (A) |
125 | 250 | 400 | 630 | |
|
Poles |
3P | ||||
|
Rated working voltage Ue(V) |
AC400/50HZ |
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Rated insulation voltage Ui(V) |
1000 | ||||
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Rated impulse withstand voltage Uimp(V) |
8000 | ||||
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Arcing distance (mm) |
≯50 |
≯100 |
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Ultimate short-circuit breaking capacity Icu(kA) |
25(S)36(L)50(M) |
36(S)35(L)50(M) |
35(S)65(L)70(M) |
50(S)65(L)70(M) |
|
|
Operating short-circuit breaking capacity Ics(kA) |
20(S)25(L)35(M) |
25(S)35(L)35(M) |
35(S)42(L)50(M) |
50(S)50(L)70(M) |
|
|
Rated short-time withstand current Icw (kA)/s
|
1.5 | 3 | 5 | 8 | |
|
Automatic closing time(s) |
≤2s |
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Operation performance (times)
|
Power-on |
1500 | 1000 | 1000 | 1000 |
|
Power-off |
8500 | 7000 | 4000 | 4000 | |
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Total times |
10000 | 8000 | 5000 | 5000 | |
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Overload and short circuit characteristics |
Three-stage protection, electronically adjustable, see "Protection Characteristics Description" for details |
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Overvoltage protection value (V) |
Setting value (231~330)/Default value 275V |
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Undervoltage protection value (V) |
Setting value (88~209)/Default value 145V |
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Phase loss protection value (V) |
Setting value (10~130)/Default value 30V |
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Control delay time (ms) |
≤40ms |
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Communication delay time (ms) |
≤200ms |
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| Measurement Accuracy Class | |||||
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Accuracy |
Allowable Error |
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|
Current accuracy |
0.5% |
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Voltage accuracy |
0.5% |
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|
Active power accuracy |
1.0% |
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Reactive power accuracy |
1.0% |
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TEL：+86 18621879631
Email：timmy@matismart.com
Mobile phone：+86 15801814653
Address：Room 320, No.83, Huanhu West Road 3, Pudong, Shanghai, China, 201306
Wechat：+86-15801814653
Skype：timmybao2008
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