ABB S203M-C63 Miniature Circuit Breaker

We will arrange delivery within 3-5 days after receiving the payment.

Our express delivery: DHL and FedEx.

Quality packing for each product

Destination country all taxes & duty to be paid by buyer

Only part of the brand and model, if you have other product needs, please contact us.

1. Product Overview

The ABB S203M-C63 Miniature Circuit Breaker is an overload and short-circuit protection device for low-voltage distribution systems, suitable for industrial, commercial, and residential applications. S203M-C63 features a modular design, compact size, and easy installation, providing reliable breaking capacity and manual operation to protect electrical equipment and circuits from overloads and short circuits.

2. Technical Specifications

• Model: S203M-C63

• Product Type: Miniature Circuit Breaker

• Rated Current: 63 A

• Poles: 3P (Three-Pole)

• Rated Operational Voltage: AC 230/400 V

• Tripping Characteristic: C Type (suitable for general circuits and motor protection)

• Breaking Capacity: 10 kA

• Mounting: DIN rail

• Operation: Manual switching

• Operating Temperature: –25 ℃ to +40 ℃

• Degree of Protection: IP20

• Standards: CE / IEC 60898 / UL

3. Advantages and Features

1. High-Reliability Protection
   Quickly disconnects overload and short-circuit currents to protect equipment and circuits.

2. Modular Design
   DIN rail mounting allows easy expansion and maintenance.

3. High Breaking Capacity
   10 kA breaking capacity meets industrial and commercial low-voltage system requirements.

4. Compact Design
   Small footprint suitable for various distribution cabinets and panels.

5. Easy Operation
   Manual operation is convenient; compatible with remote control accessories.

4. Applications

• Low-voltage distribution systems in industrial plants

• Electrical protection in commercial and residential buildings

• Overload and short-circuit protection for motors and equipment

• Distribution in automation control cabinets

• Low-voltage protection for water treatment, HVAC, and air conditioning systems

5. Installation and Usage Notes

1. Ensure the breaker’s rated current, voltage, and number of poles match the system before installation.

2. Perform wiring and installation with power disconnected to ensure safety.

3. Avoid installation in high-temperature, high-humidity, or corrosive environments; provide protective measures if necessary.

4. Regularly inspect breaker status and terminal connections to ensure long-term reliable operation.

5. Do not modify or disassemble the breaker to prevent affecting its protection functions.