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ABB DSE203NMC10A100 3+N 10kA RCBO C10 100mA 2TAZ234414R3104
£215.65
Why Choose the ABB DSE203NMC10A100 RCBO?
The ABB DSE203NMC10A100 is a high-performance 3P+N electronic residual current circuit breaker with overcurrent protection (eRCBO), designed to provide comprehensive protection against overloads, short circuits and earth leakage faults in three-phase electrical installations. As part of the reliable ABB DSE203N M series, this RCBO combines advanced circuit protection and compact installation in a single device, making it ideal for commercial, industrial and OEM applications.
Designed to improve electrical safety and installation efficiency, the DSE203NMC10A100 protects personnel and equipment by automatically disconnecting the circuit in the event of overload, short circuit or residual current faults. Its electronic residual current technology offers dependable fault detection whilst reducing distribution board space by combining multiple protection functions into one unit.
Featuring a 10 A Type C trip characteristic, 100 mA Type A residual current sensitivity and a 10 kA breaking capacity, the ABB DSE203NMC10A100 is ideal for protecting three-phase distribution circuits, machinery, automation systems and commercial electrical installations. Its compact DIN rail mounted design enables fast and straightforward installation within modern electrical panels.
Key Advantages
- Compact 3P+N electronic RCBO combining overload, short-circuit and earth leakage protection.
- 10 A Type C trip characteristic suitable for circuits with moderate inrush currents.
- 100 mA Type A residual current protection.
- 10 kA breaking capacity for demanding commercial and industrial installations.
- Protects personnel and electrical equipment from multiple fault conditions.
- DIN rail mounting for quick installation in distribution boards and control panels.
Key Features
- ABB DSE203N M electronic RCBO series.
- Rated current: 10 A.
- Trip characteristic: Type C.
- Residual current sensitivity: 100 mA.
- Residual current type: Type A.
- Configuration: 3P+N with unswitched neutral.
- Rated short-circuit breaking capacity: 10 kA.
- Compact three-module DIN rail mounted construction.
Reliable Protection for Three-Phase Electrical Systems
The ABB DSE203NMC10A100 combines miniature circuit breaker functionality with residual current protection in a single compact device, simplifying installation whilst delivering dependable protection against overloads, short circuits and earth leakage faults.
Its Type C tripping characteristic makes it particularly suitable for circuits with moderate inrush currents, including motors, transformers and industrial equipment. The electronic residual current monitoring enhances electrical safety whilst helping maintain reliable operation across demanding commercial and industrial environments.
Typical Applications
- Industrial distribution boards.
- Commercial electrical installations.
- OEM machinery and equipment.
- Motor control centres.
- Automation and process control panels.
- Three-phase power distribution systems.
Technical Specifications
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| Current | 10 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole + N | |
| Device Type | RCBO | |
| Trip Curve | C curve | |
| Residual Current | 100 mA | |
| RCD Type | Type A | |
| Function | 3P+N electronic residual current circuit breaker with overcurrent protection (eRCBO). | |
| Residual Current Type | Type A. | |
| Poles Configuration | 3 protected poles + neutral (unswitched neutral). | |
| Operating Characteristic | Instantaneous trip. | |
| Connecting Capacity | Busbar 10 mm²; Rigid cables 1–25 mm²; Flexible cables 1–16 mm². | |
| Rated Cross-Section | Solid-core 1–25 mm²; Multi-wired 1–16 mm². | |
| Position of Neutral Terminals | Left side. | |
| Electrical Endurance | 10,000 cycles. | |
| Mechanical Endurance | 20,000 cycles. |
Frequently Asked Questions
What is the ABB DSE203NMC10A100 used for?
It provides combined overcurrent and residual current protection for three-phase electrical circuits in commercial, industrial and OEM applications.
What does the Type C trip characteristic mean?
Type C RCBOs are designed for circuits with moderate inrush currents, making them ideal for motors, transformers and general industrial loads.
What does the 100 mA residual current rating provide?
The 100 mA Type A residual current protection helps detect earth leakage faults and provides enhanced protection for equipment and electrical installations.
How many poles does this RCBO protect?
The device protects three phases with an unswitched neutral using a 3P+N configuration.
Where is the DSE203NMC10A100 typically installed?
It is designed for DIN rail installation within commercial, industrial and OEM electrical distribution boards and control panels.
Trusted by Electrical Professionals Worldwide
ABB DSE203N M RCBOs are trusted by electrical contractors, panel builders and industrial engineers for delivering dependable circuit protection, compact installation and compliance with recognised international electrical safety standards.
