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ABB DSE203NMB32A100 3+N 10kA RCBO B32 100mA 2TAZ234414R3325
£215.65
Why Choose the ABB DSE203NMB32A100 RCBO?
The ABB DSE203NMB32A100 is a premium 3P+N electronic residual current circuit breaker with overcurrent protection (eRCBO), engineered to provide reliable protection against overloads, short circuits and earth leakage faults in three-phase electrical installations. As part of the trusted ABB DSE203N M series, this compact protective device integrates multiple safety functions into a single unit, making it an ideal solution for commercial, industrial and OEM electrical systems.
Designed to maximise electrical safety and installation efficiency, the DSE203NMB32A100 continuously monitors residual current whilst protecting circuits against overload and short-circuit conditions. By combining residual current and overcurrent protection into one compact device, it reduces distribution board space requirements, simplifies installation and improves overall system reliability.
Featuring a 32 A Type B trip characteristic, 100 mA Type A residual current sensitivity and a 10 kA breaking capacity, the ABB DSE203NMB32A100 is ideally suited for protecting three-phase distribution systems, industrial machinery, automation equipment and commercial electrical installations. Its compact three-module DIN rail mounted construction enables straightforward installation within modern switchboards and control panels.
Key Advantages
- Compact 3P+N electronic RCBO combining overload, short-circuit and residual current protection.
- 32 A Type B trip characteristic for rapid protection of sensitive circuits.
- 100 mA Type A residual current protection.
- 10 kA breaking capacity suitable for demanding commercial and industrial installations.
- Provides reliable protection for personnel and electrical equipment.
- DIN rail mounted design saves valuable space within distribution boards.
Key Features
- ABB DSE203N M electronic RCBO series.
- Rated current: 32 A.
- Trip characteristic: Type B.
- 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 Installations
The ABB DSE203NMB32A100 combines miniature circuit breaker functionality with advanced electronic residual current protection within a single compact device. This simplifies installation whilst delivering dependable protection against overloads, short circuits and earth leakage faults across commercial and industrial electrical systems.
Its Type B tripping characteristic provides rapid magnetic operation for circuits with relatively low inrush currents, making it ideal for protecting sensitive electrical equipment, automation systems and three-phase distribution circuits requiring dependable fault protection.
Typical Applications
- Commercial distribution boards.
- Industrial electrical installations.
- OEM machinery.
- Automation and process control systems.
- Manufacturing facilities.
- Three-phase power distribution.
Technical Specifications
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| Poles | 3-pole + N | |
|---|---|---|
| Current | 32 A | |
| Phase | Three Phase | |
| Device Type | RCBO | |
| Trip Curve | B 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, 30 mA for additional direct contact protection. | |
| Number of Poles | 3 active poles + neutral (unswitched). | |
| Rated Cross-Section | Solid-core 1–25 mm², multi-wired 1–16 mm². | |
| Connection Type | Bottom power supply connection with busbar and flexible/rigid wire options. | |
| Operating Characteristic | Instantaneous tripping. | |
| Electrical Endurance | 10,000 cycles. | |
| Mechanical Endurance | 20,000 cycles. | |
| Position of Neutral Terminal | Left side. |
Frequently Asked Questions
What is the ABB DSE203NMB32A100 used for?
It provides combined overcurrent and residual current protection for three-phase electrical circuits in industrial, commercial and OEM installations.
What does the Type B trip characteristic mean?
Type B devices provide rapid magnetic tripping at relatively low fault current levels, making them suitable for protecting circuits with low inrush currents.
What does the 100 mA residual current rating provide?
The 100 mA Type A residual current protection detects earth leakage faults and helps improve electrical safety whilst protecting 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 DSE203NMB32A100 typically installed?
It is designed for DIN rail installation within commercial distribution boards, industrial control panels and OEM electrical equipment.
Trusted by Electrical Professionals Worldwide
ABB DSE203N M RCBOs are trusted by electrical contractors, panel builders and industrial engineers for delivering reliable circuit protection, compact installation and compliance with recognised international electrical standards.
