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ABB 2CDS272001R0064 Miniature Circuit Breaker (MCB)

I. Product Overview

II. Technical Specifications

III. Application Scenarios

1. Residential Buildings: Protects individual circuits such as lighting (e.g., living room/bedroom lights), wall sockets (for TVs, refrigerators, or small appliances), and low-power HVAC components (e.g., small fans).
2. Commercial Spaces: Used in offices, retail stores, or restaurants to safeguard lighting circuits, POS systems, and small commercial equipment (e.g., coffee machines, printers) from overloads/short-circuits.
3. Light Industrial Settings: Shields low-power industrial circuits (e.g., control panels for small conveyors, bench tools) in workshops or small factories where current demands are moderate.
4. Data Centers & Telecom Rooms: Protects auxiliary circuits (e.g., lighting, low-voltage fans) in IT infrastructure spaces, complementing higher-rated protection for critical power systems.

IV. Product Advantages

1. Reliable Dual Protection: Combines overload protection (gradual tripping for sustained excess current) and short-circuit protection (instant tripping for high fault current), fully safeguarding circuits and equipment.
2. C-Curve Tripping: Optimized for common low-power loads—avoids false tripping from minor inrush currents (e.g., when turning on a refrigerator) while ensuring fast response to dangerous faults.
3. Space-Saving Design: 18mm narrow width allows dense installation in distribution boards, ideal for spaces with limited panel capacity (e.g., residential breaker boxes).
4. Easy Installation & Maintenance: DIN rail mounting enables quick setup; clear current rating marking and toggle switch (for "ON/OFF" status) simplify operation and troubleshooting.
5. Wide Compatibility: Works with both copper and aluminum wires (via compatible terminals), adapting to different wiring materials in residential/commercial projects.

V. Usage Notes

1. Current Matching: Ensure the MCB’s rated current (6A) matches the circuit’s maximum load—do not use for circuits with higher current demands (e.g., 10A appliances like electric kettles) to avoid overload.
2. Tripping Curve Selection: C-curve is for general loads; do not use in circuits with high inrush currents (e.g., large motors) or sensitive electronics (use D-curve or B-curve MCBs instead).
3. Proper Wiring: Tighten terminals to the specified torque (0.8-1.2 N·m); loose connections cause overheating and may damage the MCB or wires. Use wires of appropriate cross-section (e.g., 1.5mm² copper wire for 6A circuits).
4. Environmental Limits: Avoid installing in humid, dusty, or corrosive areas (e.g., bathrooms without proper enclosure); use a sealed distribution board to maintain IP20 protection.
5. No Reuse After Severe Trips: If the MCB trips due to a short-circuit (loud "pop" or visible damage), inspect for internal wear—replace the MCB if it fails to reset or hold the circuit.
6. Genuine Parts Only: Use authentic ABB MCBs—non-genuine units may not meet safety standards, leading to failed protection and fire risks.

The structure and details of the product：

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