DC MCB (Miniature Circuit Breaker), 1P (1 Pole) (NO), < = 250VDC
EKM1-63DC series Miniature Circuit Breakers with over current protection range provide a full protection to both the persons and the electrical appliances, as they are designed to automatically cutoff the power supply in case of overload, short-circuit and earth leakage.
They can be used as protection devices for 250VDC network.
Its maximum rated current reaches 63A.
The MCB is equipped with an indication window to distinguish overload trips (indication window turns red).
- Certificate: CE.
- Rated voltage: 250VDC;
- Applications:
For three-phase and single-phase equipment such as escalators, lifts, photovoltaic systems, welding equipment, inverters, energy storage and other DC applications.
- Altitude: ≦ 2000 metres;
- Ambient temperature: -5 °C ~ +40 °C;
- Installation category： Ⅲ
- Installation conditions: The inclination angle between the mounting plane and the vertical plane shall not exceed ± 5°;
- Standard: GB/T10963.1, IEC60947-2
- 2 years warranty
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Model Number |
EKM1-63DC |
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Electrical Features |
Mode |
Electromagnetic |
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Type |
DC |
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Rated current In |
6, 8, 10, 13, 16, 20, 25, 32, 40, 50, 63A |
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Poles |
1P |
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Rated voltage Ue |
250VDC |
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Insulation voltage Ui |
500V |
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Rated frequency |
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Break time under (I△n) |
≤0.1s (S type ≤ 0.5s) |
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Rated breaking capacity |
6,000A |
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Energy limiting class |
3 |
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Rated impulse withstand voltage(1.5/50)Uimp |
4,000V |
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Dielectric test voltage at ind.Freg.for 1min |
2kV |
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Pollution degree |
2 |
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Thermo-magnetic release characteristic B :(3-5) x In, C:(5-10) x In, D :(10-20) x In |
B, C, D |
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Mechanical Features |
Electrical life |
4,000 Cycles |
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Mechanical life |
10,000 Cycles |
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Contact position indicator |
Yes |
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Protection degree |
IP 20 |
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Reference temperature for setting of thermal element |
30°C |
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Ambient temperature (with daily average ≤35°C) |
-5°C~+40°C |
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Storage temperature |
-25°C~+70°C |
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Installation |
Terminal connection type |
Cable/ Pin-type busbar / U-type busbar |
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Terminal size top/bottom for cable |
25mm2; 18-3AWG |
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Terminal size top/bottom for busbar |
25mm2; 18-3AWG |
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Tightening torque |
2.5Nm 22In-lbs |
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Mounting |
On DIN rail EN60715(35mm) by means of fast clip device |
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Connection |
From top / button |
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Packing information |
Net weight (Kg) |
0.12 |
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Product dimensions (H*W*D)(mm) |
81*18*78 |
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Qty / Carton (pcs) |
120 |
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G.W. / Carton (Kg) |
15.4 |
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