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ABB DSE203NMB10A10 3+N 10kA RCBO B10 10mA 2TAZ234414R1105
£215.65
Why Choose the ABB DSE203NMB10A10 RCBO?
The ABB DSE203NMB10A10 is a compact 3P+N electronic residual current circuit breaker with overcurrent protection (eRCBO) designed to provide reliable protection against overloads, short circuits and earth leakage faults in three-phase electrical installations. Part of the advanced ABB DSE203N M series, it combines multiple protection functions within a space-saving three-module device, making it ideal for commercial, industrial and OEM applications.
The DSE203NMB10A10 is engineered to simplify panel design while enhancing electrical safety. Featuring electronic residual current detection, an unswitched neutral and DIN rail mounting, it enables straightforward installation in modern distribution boards and control panels. Its robust construction ensures dependable operation in demanding environments.
With a rated current of 10 A, a Type B tripping characteristic, 10 mA Type A residual current sensitivity and a 10 kA breaking capacity, the ABB DSE203NMB10A10 is suitable for protecting sensitive three-phase circuits where enhanced electrical safety is required.
Key Advantages
- Compact 3P+N electronic RCBO with combined overload and earth leakage protection.
- 10 A rated current suitable for commercial and industrial applications.
- Type B tripping characteristic for circuits with low inrush currents.
- 10 mA Type A residual current protection provides enhanced personnel safety.
- 10 kA breaking capacity for dependable fault interruption.
- Space-saving DIN rail mounted design simplifies panel installation.
Key Features
- ABB DSE203N M electronic RCBO series.
- 10 A rated current.
- Type B tripping characteristic.
- 10 mA Type A residual current protection.
- 3 poles + neutral (unswitched neutral).
- 10 kA rated breaking capacity.
- Electronic residual current monitoring.
- DIN rail mounting for electrical distribution boards.
Reliable Circuit Protection for Industrial Installations
The ABB DSE203NMB10A10 continuously monitors electrical circuits for overloads, short circuits and earth leakage currents. When a fault is detected, the RCBO disconnects the circuit rapidly to help protect equipment, minimise downtime and improve personnel safety.
Its Type B tripping characteristic makes it suitable for circuits with relatively low inrush currents, while the highly sensitive 10 mA residual current protection provides additional protection in installations where enhanced safety is required.
Typical Applications
- Commercial electrical distribution boards.
- Industrial control panels.
- Machine building and OEM equipment.
- Three-phase power distribution.
- Automation and manufacturing systems.
- Critical circuits requiring enhanced residual current protection.
Technical Specifications
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| Current | 10 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole + N | |
| Device Type | RCBO | |
| Trip Curve | B curve | |
| Residual Current | 10 mA | |
| Function | 3P+N electronic residual current circuit breaker with overcurrent protection (eRCBO). | |
| Protection | Short-circuit, overload, earth fault, indirect contacts and direct contacts (30 mA versions). | |
| Neutral Configuration | Unswitched neutral, terminals positioned on the left. | |
| Number of Poles | 3 poles plus neutral (3P+N). | |
| Type of Residual Current | Type A. | |
| Connecting Capacity | Busbar 10 mm²; rigid cables 1–25 mm²; flexible cables 1–16 mm². | |
| Electrical Endurance | 10,000 cycles. | |
| Mechanical Endurance | 20,000 cycles. | |
| Operating Characteristic | Instantaneous trip. |
Frequently Asked Questions
What is the ABB DSE203NMB10A10 used for?
It provides combined protection against overloads, short circuits and earth leakage faults on three-phase electrical circuits.
What is the rated current of this RCBO?
The ABB DSE203NMB10A10 has a 10 A rated current.
What does the Type B tripping characteristic mean?
Type B devices are typically used on circuits with relatively low inrush currents, such as resistive loads and selected control circuits.
What type of residual current protection does it provide?
The device provides 10 mA Type A residual current protection capable of detecting AC and pulsating DC leakage currents.
Where is this RCBO typically installed?
It is designed for DIN rail installation inside commercial and industrial distribution boards and electrical control panels.
Trusted by Electrical Professionals Worldwide
ABB DSE203N M electronic RCBOs are trusted by panel builders, electrical contractors and industrial engineers for dependable circuit protection, compact installation and reliable long-term performance.
