Why Choose the ABB S203MT-K0,5NA Miniature Circuit Breaker?
The ABB S203MT-K0,5NA (Part Number: 2CDS273446R0157) is a premium 3 Pole + Neutral miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200M range. Designed to provide dependable overload and short circuit protection, it is particularly suited to industrial control panels, machine building and commercial electrical installations requiring a K characteristic breaker for high inrush current applications.
Featuring a 0.5 A rated current and a 10 kA breaking capacity, the S203MT-K0,5NA delivers reliable circuit protection while helping maintain system continuity. Its robust thermal and magnetic trip mechanisms provide fast fault interruption and dependable long-term performance in demanding environments.
Manufactured to ABB's renowned quality standards, this miniature circuit breaker complies with IEC/EN 60898-1 and IEC/EN 60947-2. The compact DIN rail mounted design allows straightforward installation into distribution boards and industrial control cabinets whilst remaining fully compatible with the ABB range of accessories and auxiliaries.
Key Advantages
- High quality 3 Pole + Neutral miniature circuit breaker.
- 0.5 A rated current for specialised protection applications.
- K characteristic ideal for circuits with high inrush currents.
- 10 kA breaking capacity for reliable fault protection.
- Thermal overload and magnetic short circuit protection.
- Compatible with ABB auxiliary contacts, shunt trips and accessories.
Key Features
- ABB System pro M Compact S200M series.
- Product code: 2CDS273446R0157.
- Model: S203MT-K0,5NA.
- Rated current: 0.5 A.
- Trip characteristic: K.
- Configuration: 3 protected poles + switched neutral.
- Rated operational voltage: Up to 400 V AC.
- Breaking capacity: 10 kA.
- DIN rail mounting.
- Compact modular construction.
Reliable Protection for Industrial Electrical Systems
The ABB S203MT-K0,5NA provides dependable protection against overloads and short circuits whilst maintaining excellent current limiting performance. The K characteristic is particularly suited to applications where temporary high inrush currents occur, reducing nuisance tripping whilst maintaining effective protection.
As part of the ABB System pro M Compact range, this miniature circuit breaker integrates seamlessly into modern switchboards, distribution systems and industrial machinery, providing long service life and dependable performance in demanding operating environments.
Typical Applications
- Industrial control panels.
- Machine building and OEM equipment.
- Motor control circuits.
- Commercial electrical installations.
- Automation systems.
- Low voltage distribution boards.
