ABB 2CDS252001R0204 Miniature Circuit Breaker

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1. Product Overview

ABB 2CDS252001R0204 is a Miniature Circuit Breaker (MCB) from the ABB S200 series, designed to provide reliable overload and short-circuit protection for low-voltage electrical circuits. It is suitable for industrial, commercial, and residential power distribution systems.

2. Main Technical Specifications

• Manufacturer: ABB

• Model: 2CDS252001R0204

• Series: S200 Series

• Product Type: Miniature Circuit Breaker (MCB)

• Number of Poles:

  • 2 poles

• Rated Current (In):

  • 20 A

• Tripping Characteristic:

  • Curve C

• Rated Operational Voltage (Ue):

  • 230 / 400 V AC

• Rated Frequency:

  • 50 / 60 Hz

• Rated Short-Circuit Breaking Capacity (Icn):

  • 6 kA (typical, IEC compliant)

• Rated Insulation Voltage (Ui):

  • 440 V

• Rated Impulse Withstand Voltage (Uimp):

  • 4 kV

• Mounting:

  • DIN rail mounting

• Ambient Temperature Range:

  • -25 °C to +55 °C

• Standards:

  • IEC / EN 60898-1

3. Advantages and Features

1. Accurate Overload and Short-Circuit Protection
   Thermal-magnetic tripping ensures fast and reliable circuit protection.

2. Stable Breaking Performance
   Effective interruption of fault currents protects cables and connected equipment.

3. Compact Modular Design
   Ideal for space-saving installations in distribution boards and control panels.

4. Long Mechanical and Electrical Life
   Designed for long-term operation and frequent switching.

5. Accessory Compatibility
   Compatible with ABB auxiliary contacts and shunt trip accessories for extended functionality.

4. Typical Applications

• Industrial low-voltage distribution systems

• Commercial building installations

• Residential distribution boards

• Control panels and switchboards

• Lighting and socket circuits

• Machinery and equipment protection

5. Installation and Operation Notes

1. Confirm rated current, tripping curve, and number of poles before installation.

2. Tighten terminals to the specified torque to prevent overheating.

3. Do not exceed the rated breaking capacity.

4. Avoid installation in harsh environments with high humidity or corrosive gases.

5. Perform functional testing before commissioning.

The structure and details of the product：

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