ABB 2CSB203001R3630 Residual Current Device

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Product Overview

ABB 2CSB203001R3630 Residual Current Device (RCD)
The ABB 2CSB203001R3630 is a high-sensitivity residual current device designed to detect leakage currents in electrical circuits and quickly disconnect power when the leakage exceeds safe limits. It provides reliable protection against electric shock and fire hazards, suitable for residential, commercial, and light industrial distribution systems.

Technical Specifications

• Model: 2CSB203001R3630

• Device Type: Residual Current Device (RCD)

• Rated Current: 25 A

• Residual Current Sensitivity: 30 mA

• Poles: 2P (Double Pole)

• Rated Voltage: 230/240 V AC

• Tripping Type: AC type (sensitive to AC leakage current)

• Short-Circuit Compatibility: Works with MCCB or fuses

• Mounting Method: DIN rail

• Operating Temperature: -25 ℃ to +40 ℃

• Protection Class: IP20

• Standards: IEC 61008, IEC 60947-2

Advantages and Features

1. High Sensitivity Protection
   30 mA trip current effectively prevents electric shock hazards.

2. Fast Disconnection Response
   Cuts off power in milliseconds when leakage occurs to ensure personnel safety.

3. Double-Pole Design
   Simultaneously disconnects live and neutral wires for higher safety.

4. Easy Installation and Maintenance
   DIN rail mounting and modular design allow quick integration into distribution systems.

5. High Reliability
   Compliant with IEC standards, suitable for residential, office, and industrial low-voltage distribution.

Typical Applications

• Residential and household distribution safety protection

• Commercial and office building distribution systems

• Small industrial power distribution and equipment protection

• Electrical equipment maintenance and safety isolation

• Distribution panel leakage protection and fire prevention

Installation & Usage Notes

1. Correct Wiring: Connect live and neutral lines according to the RCD markings to avoid reverse wiring.

2. Installation Environment: Install in dry, ventilated areas free of corrosive gases and moisture.

3. Regular Testing: Press the “Test” button periodically to verify correct RCD operation.

4. Rated Current Matching: Ensure RCD rated current matches the circuit load to prevent false trips or overload.

5. Safety Maintenance: Disconnect main power before servicing or replacing the RCD.