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ABB DSE203NMB13A300 3+N 10kA RCBO B13 300mA 2TAZ234414R4135
£215.65
Why Choose the ABB DSE203NMB13A300 Electronic RCBO?
The ABB DSE203NMB13A300 is a compact and highly reliable 3P+N electronic residual current circuit breaker with overcurrent protection (eRCBO) designed to protect three-phase electrical installations against overloads, short circuits and earth leakage faults. As part of the advanced ABB DSE203N M series, it combines multiple protection functions into a space-saving three-module device, making it ideal for industrial control panels, commercial switchboards and OEM machinery.
Designed for modern electrical installations, the DSE203NMB13A300 features Type A residual current protection, allowing it to detect both alternating and pulsating DC earth fault currents. Its electronic operating mechanism delivers dependable protection while reducing installation space and simplifying panel design.
With a 13 A B-curve rating, 300 mA residual current sensitivity and compatibility with three-phase 400/415 V AC systems, the DSE203NMB13A300 is ideal for industrial equipment, commercial electrical installations and machine protection where reliable circuit safety is essential.
Key Advantages
- Compact 3P+N electronic RCBO combining MCB and RCD protection.
- 13 A B-curve suitable for circuits with low inrush currents.
- 300 mA Type A residual current protection.
- Provides protection against overloads, short circuits and earth leakage faults.
- Space-saving three-module construction for modern switchboards.
- Reliable ABB engineering for commercial and industrial applications.
Key Features
- ABB DSE203N M electronic RCBO series.
- 13 A rated current.
- B characteristic trip curve.
- 300 mA Type A residual current sensitivity.
- 3P+N configuration with unswitched neutral.
- 10 kA rated short-circuit capacity.
- DIN rail mounting for straightforward installation.
- Mechanical endurance of approximately 20,000 operating cycles.
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 electrical installations.
The ABB DSE203N M series has been developed for commercial, industrial and OEM applications where dependable protection, easy installation and long service life are essential. Electronic residual current technology ensures consistent performance under demanding operating conditions.
Typical Applications
- Commercial distribution boards.
- Industrial switchgear.
- OEM machinery and automation systems.
- Motor control panels.
- Manufacturing facilities.
- Three-phase electrical distribution systems.
Technical Specifications
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| Poles | 3-pole + N | |
|---|---|---|
| Current | 13 A | |
| Phase | Three Phase | |
| Device Type | RCBO | |
| Trip Curve | B curve | |
| Residual Current | 300 mA | |
| RCD Type | Type A | |
| Type | 3P+N electronic residual current circuit breaker with overcurrent protection (eRCBO). | |
| Residual Current Type | Type A (Includes protection against direct contacts at 30 mA). | |
| Number of Poles | 3 poles plus neutral (neutral unswitched, terminals on left). | |
| Connecting Capacity | Busbar 10 mm², rigid 1–25 mm², flexible 1–16 mm² conductors. | |
| Operating Characteristic | Instantaneous trip for earth fault and overload protection. | |
| Electrical Endurance | 10,000 cycles. | |
| Mechanical Endurance | 20,000 cycles. | |
| Power Supply Connection | Bottom. |
Frequently Asked Questions
What is the ABB DSE203NMB13A300 used for?
It protects three-phase electrical circuits against overloads, short circuits and earth leakage faults in commercial and industrial installations.
What trip curve does this RCBO use?
The device features a B characteristic, making it suitable for circuits with relatively low inrush currents.
What type of residual current protection does it provide?
The DSE203NMB13A300 provides Type A 300 mA residual current protection, detecting both alternating and pulsating DC residual currents.
How many poles does the device have?
It features a 3P+N configuration with an unswitched neutral.
Where is this RCBO typically installed?
It is designed for DIN rail installation inside industrial control panels, commercial switchboards and electrical distribution boards.
Trusted by Electrical Professionals Worldwide
ABB DSE203N M electronic RCBOs are trusted by electricians, panel builders and industrial engineers for delivering dependable electrical protection, robust construction and reliable long-term performance.
