ABB S401M-B16NP 2CCS571103R8165 Miniature Circuit Breaker

1. Product Overview

The ABB S401M-B16NP 2CCS571103R8165 is a Miniature Circuit Breaker (MCB) designed for low-voltage distribution systems, providing overload and short-circuit protection. Its compact size and easy installation make it suitable for industrial, commercial, and residential circuits, ensuring electrical safety.

2. Main Technical Specifications (Typical)

• Model: S401M-B16NP / 2CCS571103R8165

• Product Type: Miniature Circuit Breaker (MCB)

• Poles: 1P + N (single pole + neutral)

• Rated Current: 16 A

• Rated Voltage: 230/400 V AC

• Trip Characteristic: B (suitable for general load protection)

• Short-Circuit Breaking Capacity (Icu): 6 kA

• Mounting: DIN rail mount

• Operating Temperature: -25 ℃ to +40 ℃

• Protection Class: IP20

• Standards Compliance: IEC/EN 60898-1

3. Advantages and Features

• High Safety
  Provides overload and short-circuit protection for circuits and equipment.

• Compact Size
  Saves distribution cabinet space; ideal for compact installations.

• Easy Operation
  Intuitive handle allows easy switching and maintenance.

• High Reliability
  Industrial-grade design ensures long-term stable operation.

• Wide Compatibility
  Seamlessly integrates with distribution systems for residential, commercial, and industrial use.

4. Applications

• Industrial low-voltage distribution systems

• Commercial building electrical circuits

• Residential and home power distribution

• Motor and equipment control circuits

• Small factories and infrastructure distribution systems

5. Precautions for Installation and Use

1. Rated Parameter Matching: Ensure the MCB’s current and voltage ratings match the load.

2. Correct Wiring: Follow wiring diagrams to avoid short circuits or reverse connections.

3. Operating Environment: Maintain dry, dust-free, and non-corrosive conditions.

4. Regular Inspection: Check handle and enclosure periodically to ensure reliable operation.

5. Professional Installation: Installation and commissioning should be performed by qualified personnel.

6. Safe Operation: Operate the breaker only under de-energized or safe conditions.

The structure and details of the product：

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