ABB 2CDS781001R4352 Circuit Breaker

1. Product Overview

The ABB 2CDS781001R4352 Circuit Breaker belongs to the ABB S200 series of miniature circuit breakers (MCBs), designed for overcurrent, short-circuit, and undervoltage protection in low-voltage distribution systems.
It provides fast switching, reliable protection, and easy operation, making it suitable for industrial, commercial, and residential electrical installations.

2. Technical Specifications

• Model: 2CDS781001R4352

• Type: Miniature Circuit Breaker (MCB)

• Rated Voltage (Ue): AC 230/400 V

• Rated Current (In): 1 A

• Poles: 1P+N (Single pole + Neutral)

• Breaking Capacity (Icn): 10 kA

• Tripping Type: C curve (suitable for general electrical loads)

• Mounting: DIN rail 35 mm

• Operation: Manual switch / Mechanical ON/OFF indicator

• Rated Frequency: 50/60 Hz

• Standards Compliance: IEC 60898-1 / EN 60898-1

• Ambient Temperature: ‑25 ℃ to +40 ℃

• Protection Class: IP20

3. Key Advantages & Features

1. High Breaking Capacity
   Withstands up to 10 kA short-circuit current to protect circuits and equipment.

2. Fast Acting
   Thermal-magnetic trip mechanism responds quickly to overload and short circuits.

3. Standardized Installation
   DIN rail mounting allows easy integration into distribution panels.

4. Simple & Reliable Operation
   Clear ON/OFF manual switch for intuitive operation and maintenance.

5. Energy Efficient & Eco-friendly
   Made with environmentally friendly materials and low-power design.

6. Wide Application
   Suitable for residential, commercial, and light industrial distribution systems.

4. Typical Applications

• Residential apartments and homes low-voltage protection

• Commercial buildings, offices, and retail facilities

• Industrial and light industrial equipment protection

• Distribution boards and branch circuit protection

• UPS systems, power equipment, and lighting circuits

5. Installation & Usage Notes

1. Current Matching
   Ensure the breaker’s rated current matches the load to prevent nuisance trips or contact damage.

2. Circuit Installation
   Wire according to the diagram; ensure main and neutral connections are secure.

3. Environmental Conditions
   Avoid high humidity, corrosive environments, and excessive temperatures for long-term reliability.

4. Regular Inspection
   Periodically check switch status and appearance to maintain operational reliability.

5. Operating Safety
   Verify load status before switching on/off to avoid damage or safety risks.

The structure and details of the product：

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