ABB 2CDS381001R0105 Circuit Breaker

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• 1. Product Overview

  The ABB 2CDS381001R0105 is a Miniature Circuit Breaker (MCB) from the ABB S800 series, designed for low-voltage distribution in residential, commercial, and industrial applications. It features a thermal-magnetic trip unit to quickly disconnect circuits during overload or short-circuit conditions, protecting both equipment and personnel. This model is single-pole, rated 1 A, with B-type trip characteristics, suitable for resistive and inductive loads.

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  2. Technical Specifications

  Parameter	Specification
  Series	ABB S800
  Model	2CDS381001R0105
  Poles	1P (Single Pole)
  Rated Current	1 A
  Trip Type	B Type (for residential and small commercial loads)
  Rated Voltage	230/400 V AC
  Breaking Capacity	6 kA
  Mounting	DIN rail (35 mm)
  Terminals	Screw terminals, suitable for copper/aluminum wires
  Mechanical Life	≥ 10,000 operations
  Electrical Life	≥ 4,000 operations
  Operating Temperature	-25 ℃ ~ +40 ℃
  Protection Rating	IP20
  Standards	IEC/EN 60898-1 / IEC/EN 60947-2

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  3. Key Features and Benefits

  • Reliable protection: Fast response to overload and short-circuit faults.

  • Compact design: DIN rail mounting for space-saving and easy installation.

  • High breaking capacity: Withstands up to 6 kA short-circuit current.

  • Easy installation and maintenance: DIN rail clip for quick installation and removal.

  • Standard compliance: Meets IEC/EN standards for residential, commercial, and light industrial applications.

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  4. Typical Applications

  • Residential and apartment electrical circuits

  • Small commercial building distribution systems

  • Lighting and socket circuit protection

  • Small machinery and control system protection

  • Branch circuit protection inside distribution boards

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  5. Installation & Usage Notes

  1. Rated current selection: Choose appropriate rated current according to load requirements.

  2. Correct wiring: Connect main and auxiliary circuits as per wiring diagram; ensure terminals are tight.

  3. Environmental considerations: Avoid high temperature, humidity, and corrosive environments.

  4. Regular inspection: Check mechanical operation and terminals for reliable performance.

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The structure and details of the product：

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