Why Choose the ABB DSE203NMC10A300 Electronic RCBO?
The ABB DSE203NMC10A300 is a high performance 3P+N electronic residual current circuit breaker with overcurrent protection (eRCBO) designed to provide dependable protection against overloads, short circuits and earth leakage faults in commercial and industrial electrical installations. As part of the advanced ABB DSE203N M series, it combines multiple protection functions into a compact three-module device, making it ideal for distribution boards, control panels and OEM machinery.
Designed for modern electrical systems, the DSE203NMC10A300 incorporates Type A residual current protection, enabling detection of both alternating and pulsating DC earth fault currents. Its electronic protection technology delivers reliable performance while reducing installation space and simplifying panel design.
With a 10 A C-curve rating, 300 mA residual current sensitivity and a three-phase 400/415 V AC supply, the DSE203NMC10A300 is well suited to industrial equipment, commercial distribution systems and machine protection applications requiring reliable electrical safety.
Key Advantages
- Compact 3P+N electronic RCBO combining MCB and RCD protection.
- 10 A C-curve suitable for circuits with moderate inrush currents.
- 300 mA Type A residual current protection.
- Protects against overloads, short circuits and earth leakage faults.
- Space-saving three-module construction.
- Reliable ABB quality for commercial and industrial installations.
Key Features
- ABB DSE203N M electronic RCBO series.
- 10 A rated current.
- C characteristic trip curve.
- 300 mA Type A residual current sensitivity.
- 3P+N configuration with unswitched neutral.
- 10 kA ultimate breaking capacity (Icu).
- 6 kA rated breaking capacity (Icn).
- DIN rail mounting for quick installation.
Reliable Protection for Three-Phase Electrical Systems
Electronic RCBOs combine miniature circuit breaker and residual current protection within a single device, providing comprehensive protection against overloads, short circuits and earth leakage faults while reducing installation space and simplifying wiring.
The ABB DSE203N M range is engineered for industrial, commercial and OEM applications where dependable electrical protection, easy installation and long service life are essential. Its electronic residual current technology delivers consistent protection in demanding environments.
Typical Applications
- Industrial distribution boards.
- Commercial electrical installations.
- OEM machinery and automation systems.
- Motor control panels.
- Manufacturing facilities.
- Three-phase power distribution systems.
