Bộ ngắt mạch DC kiểu CQB7DC-63
Phần CQB7DC-63 Được chỉ định để bảo vệ chống quá tải và ngắn mạch ở dòng điện xoay chiều. Chọn nó bằng cách sử dụng các dữ liệu về điện áp, dòng điện, cực và bảo vệ đã được công bố, sau đó xác nhận sự phối hợp của dây dẫn, điều kiện trục dây và yêu cầu về thiết bị cách ly, cũng như các quy định về lắp đặt tại địa phương.
Product Overview
CQB7DC-63 is a 1000V DC circuit breaker for DC voltage and pole limits vary by model table applications. It is intended for PV, telecom, energy-storage or control circuits when the DC fault study supports the rating; this describes an evaluation context, not a universal approval. Confirm the complete circuit design before specifying the product.
DC overload and short-circuit protection is distinct from adjacent protection functions. Do not infer AC/DC suitability, residual-current protection, automatic control or isolation performance from the product family name alone.
Key Features
Typical Applications
PV, telecom, energy-storage or control circuits when the DC fault study supports the rating. Verify system voltage, expected fault current or leakage, wiring arrangement, environment, coordination and applicable rules for the ordered configuration.
Applications and Selection Guide
Use the verified CQB7DC-63 records below to create a shortlist. Product labels do not replace the project calculation, coordination review or exact installation instructions.
| Selection point | CQB7DC-63 reference | What the project must confirm |
|---|---|---|
| Rated current | Use the exact model table | Design current, conductor capacity, ambient and grouping |
| Voltage and frequency | Điện áp DC và giới hạn cực điện khác nhau theo bảng thông số của từng model. | Supply system and equipment rating |
| Người Ba Lan | 1P / 2P / 3P / 4P như đã liệt kê | Conductors to be switched, protected or isolated |
| Protection / control | Chống quá tải và ngắn mạch DC | Required function and adjacent-device coordination |
| Fault / residual data | Sử dụng dữ liệu gián đoạn điện #áp DC của mô hình chính xác | Prospective short-circuit or leakage conditions |
AC vs DC Interruption
DC interruption duty is not interchangeable with AC. Confirm the model's DC voltage, pole arrangement, Icu/Ics and wiring instructions.
DC Fault Duty
Review Circuit Protection →
Model-Specific Ratings
Use the exact technical table for rated voltage, current, poles, terminals, life and environmental limits.
Verified Data
View Technical Support →
Installation and Coordination
Check the complete circuit, conductor sizing, fault or leakage conditions, enclosure and local rules before energising.
Engineering Check
Discuss a Configuration →
Ordering Information
State model, rating, poles, system, quantity, destination market and document requirements so the configuration can be reviewed.
Project Inputs
Send Project Details →
Ordering Guide
- State the exact model: CQB7DC-63.
- Provide rated current and voltage from the published technical table.
- Confirm poles and the required protection, isolation or control function.
- Provide application, expected fault/leakage conditions, destination market and quantity.
- List accessory, terminal, documentation and approved marking or packaging requirements.
Installation and Coordination Checks
- Use the exact model drawing and instructions; do not infer wiring or accessory compatibility from another product.
- Verify conductor size, terminal torque, enclosure conditions, temperature, grouping and clearances.
- Coordinate upstream and downstream devices and confirm the required fault, leakage or voltage response.
- Installation, testing and maintenance must be completed by qualified personnel under applicable rules.
Type designation
Tripping curves
Dimensions(unit:mm)
Technical data
| Specifications | |
| Rated voltage (V) | 1P、2P、3P、4P |
| Rated current(A) | 6A、10A、13A、16A、20A、25A、32A、40A、50A、63A |
| Rated insulation voltage (V) | DC1000 |
| Ultimate breaking capacity (KA) | 6 |
| Operational breaking capacity (KA) | 6 |
| Tripping curves | Type B(4In±20%),Type C(8In±20%) |
| Mechanical life | 10000 |
| Electrical life | 1500 |
| Wiring capacity | ≤25mm² |
| Tightening torque (N·m) | 3.0 |
| Protection class | IP20 |
| Standards | GB/T14048.2 |
| Compliant certification | CCC |
Table1 Tripping characteristics(Reference temp.30℃)
| Item | Tripping Curve | Test current In(A) | Initial Status | Time limit for tripping or non-tripping | Expected result | Remarks |
| a | C | 1.05ln | Cold | t≤1h | Non-tripping | |
| b | C | 1.3ln | Following previous test | t<1h | Tripping | Current smoothly rises to specified value in 5s |
| c | C | 2.55ln | Cold | 1s<t<60s(ln≤32A) 1s<t<120s(In>32A) |
Tripping | |
| d | C | 6.4ln | Cold | t≤0.1s | Tripping | Switch on the power supply by closing the auxiliary switch |
| e | C | 9.6ln | Cold | t<0.1s | Tripping | Switch on the power supply by closing the auxiliary switch |
Note: The term “cold” means that the test is carried out at a reference calibration temperature without load before the test.
Tại sao nên chọn CHAC
With 30+ years of manufacturing experience, 1100+ employees, 100M+ poles
annual capacity and 90% automated production, CHAC provides stable production capacity and strict
quality control for global OEM/ODM customers. Our in-house manufacturing system supports long-term
cooperation for electrical brands, importers and distributors.
30+
NĂM KINH NGHIỆM
Chuyên sản xuất thiết bị điện hạ thế
1100+
CÔNG NHÂN
Đội ngũ chuyên nghiệp đảm bảo chất lượng và giao hàng ổn định
100 triệu người
Sức chứa hàng năm của các cột
Năng lực sản xuất quy mô lớn để đáp ứng nhu cầu toàn cầu
90%
SẢN XUẤT TỰ ĐỘNG
Tự động hóa nâng cao cho hiệu quả cao và tính nhất quán
Dây chuyền lắp ráp tự động
Phòng thí nghiệm kiểm nghiệm
Xay và dập
Kiểm tra chất lượng
Strict quality control system ensures every product meets global standards.
Chúng tôi có thể tùy chỉnh những gì?
For CQB7DC-63 projects, CHAC can review private-label marking, packaging, approved appearance options and the published electrical configurations. Requests outside the published range require engineering evaluation, testing and feasibility review.
Logo & Thương hiệu
Dịch vụ in logo theo yêu cầu, khắc laser và giải pháp bảng tên.
Gói bao bì
Tùy chỉnh
Bao bì màu sắc được tùy chỉnh, thùng carton, nhãn mác và hướng dẫn sử dụng.
Điện
Tùy chỉnh
Current, voltage, breaking capacity, trip curve and other
special functions.
Sản phẩm
Vẻ ngoài
Tùy chỉnh màu sắc của đồ nội thất, màu sắc của tay cầm và kiểu dáng.
Chứng nhận
Hỗ trợ
Products comply with international standards and market
requirements.
Kỹ thuật
Phát triển
Việc đánh giá thiết kế, thử nghiệm nguyên mẫu và sản xuất hàng loạt.
Tải xuống
Bộ ngắt mạch nhỏ dạng PXB9
Complete product overview for low-voltage electrical components and product selection reference.
Need Technical Documents?
Contact us for datasheets, certificates, drawings, selection guidance or OEM/ODM project support.
CQB7DC-63 Product FAQ
What is the CQB7DC-63 used for?
The CQB7DC-63 is specified for DC overload and short-circuit protection in DC voltage and pole limits vary by model table applications, within the ratings and configurations listed in its technical table. Final suitability depends on the complete circuit design.
How does the CQB7DC-63 work?
Its operating principle follows the documented function: DC overload and short-circuit protection. Use the exact model documentation for thresholds, timing, trip behaviour, terminals and test procedures.
How do I choose the CQB7DC-63 rating and poles?
Start with the design current and system arrangement, then choose only a published option. The page lists pole options as 1P / 2P / 3P / 4P as listed; confirm neutral, polarity, conductors and isolation requirements.
What safety limitation applies to the CQB7DC-63?
Do not treat the CQB7DC-63 as a universal substitute for another device. Confirm Use the exact model's DC interruption data, the system voltage, fault or leakage conditions and any separate upstream protection before selection.
Can the CQB7DC-63 be used in another circuit type?
Only when the exact ordered configuration is rated for that circuit. AC and DC duties, residual-current devices, isolators, smart controls and voltage protectors are not interchangeable by appearance or current rating.
How should the CQB7DC-63 be installed and tested?
Use the exact product drawing, terminal identification and instructions. A qualified person should verify isolation, conductors, torque, settings, coordination and functional tests before energising the circuit.
Confirm the Right CQB7DC-63 Configuration
Send the model, rating, poles, system voltage, application, quantity and document requirements. CHAC will review the request against the published data.
