BD1-63Z Series DC Miniature Circuit Breaker
BD1-63Z
BD1-63Z DC circuit breaker is used for overload and short-circuit protection in lines with rated dc voltage up to 1000V and rated current up to 63A,as well as for infrequent operation and conversion of lines.
Circuit breaker are suitable for dc system applications such as communication and photovoltaic systems.
Standard:GB 10693.2-2003,IEC 60898-2:2000
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Product Features
- Excellent breaking ability;
- Dual wiring function of conductor and busbar;
- Energy storage operation, fast closure, long life;
- Convenient installation and disassembly;
- Contact on/off indication, higher security;
- Green environmental protection and energy saving.
Normal Operation Conditions
- Ambient temperature: -35℃~+70℃
- Relative humidity of air: <95%
- Altitude: s2000m
Product Parameter (Specification)
| Type | BD1-63Z |
| Rated voltage Ue(v) | 125V/250V DC(1P),250V/500V DC(2P),500V/1000V DC(4P) |
| Rated current In(A) | 1,2,3,4,6,10,13,16,20,25,32.40,50,63 |
| Rated insulation voltage Ui(V) | 1000 |
| Rated impulse withstand voltage Uimp(kV) | 4 |
| Pole | 1P, 2P, 3P 4P |
| Type of instantaneous release | C(7~10)In |
| Rated short circuit breaking capacity lcn(kA) | 6 |
| Mechanical and electrical life | Mechanical life 20000 times, electrical life 1500 times |
| Tightening torque (N·m) | 2.0 |
| Class of pollution | 2 class |
| Protection grade | IP20 |
| Installation category | Ⅰ, Ⅱ category |
The Over-Current Protection Property (Reference temperature 30’C)
| Test | Test current | Initial status | Test time | Expected result | Note |
| a | 1.05ln | Cold position | t≤1h | Non-release | – |
| b | 1.30In | Carried out immediately after previous test | t≤1h | Release | Current smoothly rises to specified value within 5s |
| c | 7In | Cold position | t≤0.2h | Non-release | – |
| d | 10ln | Cold position | t≤0.2h | Release | – |
Applicable Conducting Wire
| Rated current (A) | 1-6 | 10 | 16,20 | 25 | 32 | 40,50 | 63 |
| Norminal cross section of wire (mm2) | 1 | 1.5 | 2.5 | 4 | 6 | 10 | 16 |
Power Consumption Per Pole of Circuit Breaker
| Rated current In(A) | Maximum power consumption per pole (W) |
| 1~10 | 2 |
| 13~32 | 3.5 |
| 40~63 | 5 |
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