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ABB S203-D6NA MCB – S200 – 3P+N – D – 6A
ABB S203-D6NA miniature circuit breaker from the System pro M compact S200 series, featuring a 6A D curve rating and 3P+N configuration for reliable overload and short-circuit protection.
£144.83
Why Choose the ABB S203-D6NA Miniature Circuit Breaker?
The ABB S203-D6NA is a reliable miniature circuit breaker (MCB) designed to protect electrical circuits against overloads and short circuits. As part of the trusted ABB System pro M compact S200 series, it is suitable for residential, commercial and industrial installations where dependable circuit protection is required.
This MCB features a D curve tripping characteristic, making it suitable for circuits with high inrush currents such as transformers, motors, power supplies and inductive loads. Its current-limiting design helps reduce fault energy, improving safety and protecting connected equipment.
With a rated current of 6A and a 3P+N configuration, the S203-D6NA is ideal for three-phase circuits requiring neutral switching. Its compact DIN rail format enables straightforward installation in distribution boards, control panels and industrial electrical enclosures.
Key Advantages
- Reliable miniature circuit breaker for overload and short-circuit protection.
- 6A rated current for low-current three-phase circuits.
- D curve characteristic suitable for high inrush current applications.
- 3P+N configuration for three-phase circuits with neutral switching.
- Current-limiting performance helps reduce fault energy.
- Compact DIN rail design for distribution boards and control panels.
Key Features
- ABB System pro M compact S200 series.
- 6A rated operational current.
- D curve tripping characteristic.
- 3 protected poles plus neutral.
- 6kA breaking capacity according to EN 60898.
- Thermal-magnetic trip mechanism.
- DIN rail mounting for modular electrical panels.
- Suitable for residential, commercial and industrial electrical systems.
Reliable Circuit Protection for High Inrush Loads
Miniature circuit breakers such as the ABB S203-D6NA automatically disconnect electrical circuits when overloads or short circuits occur. This helps protect cables, connected devices and electrical installations from damage caused by excessive current.
The D curve characteristic is designed for circuits where short-duration starting currents are expected. This makes the S203-D6NA particularly suitable for inductive loads and equipment that may experience higher inrush during start-up.
Typical Applications
- Three-phase electrical distribution boards.
- Industrial control panels.
- Transformer and power supply circuits.
- Motor and inductive load protection.
- Machinery and automation panels.
- Commercial and industrial electrical installations.
Technical Specifications
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| Phase | Three Phase | |
|---|---|---|
| Current | 6 A | |
| Poles | 3-pole + N | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 6 kA | |
| Manufacturer | ABB | |
| Series | System pro M compact S200 | |
| Model | S203-D6NA | |
| Product ID | 2CDS253103R0061 | |
| Product type | Miniature circuit breaker | |
| Rated current | 6A | |
| Tripping characteristic | D curve | |
| Number of poles | 3P+N | |
| Protected poles | 3 | |
| Rated voltage | 400V AC | |
| Frequency | 50Hz | |
| Breaking capacity | 6kA | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL1077 | |
| Mounting type | DIN rail mounting |
Frequently Asked Questions
What is the ABB S203-D6NA used for?
The ABB S203-D6NA is used to protect electrical circuits against overloads and short circuits in three-phase installations with neutral switching.
What current rating does this MCB provide?
This miniature circuit breaker has a rated current of 6A.
What does D curve mean on this circuit breaker?
A D curve MCB is designed for circuits with high inrush currents, such as transformers, motors, power supplies and inductive loads.
How many poles does the S203-D6NA have?
The S203-D6NA has a 3P+N configuration, with three protected poles and a switched neutral.
Where is this MCB typically installed?
It is typically installed in DIN rail distribution boards, control panels, consumer units and industrial electrical enclosures.
Trusted by Electrical Professionals Worldwide
ABB System pro M compact circuit protection devices are widely used by electricians, panel builders and electrical engineers for reliable protection, compact installation and dependable performance in modern electrical systems.
