Why Choose the ABB S203M-K13NA Miniature Circuit Breaker?
The ABB S203M-K13NA is a high-performance miniature circuit breaker (MCB) designed to protect electrical circuits against overloads and short circuits. As part of the trusted ABB System pro M compact S200M series, this device delivers dependable circuit protection for residential, commercial and industrial low-voltage installations.
This 13 amp K-curve circuit breaker incorporates delayed thermal overload protection and electromechanical short-circuit protection, helping to safeguard cables, motors, transformers and industrial equipment. Its compact DIN rail design and current-limiting technology enable straightforward installation and reliable long-term operation.
With a rated current of 13 A and a 3P+N configuration, the S203M-K13NA is ideal for three-phase installations requiring neutral switching. The K tripping characteristic is particularly suited to inductive loads with higher starting currents, making it an excellent choice for industrial control systems and machine building.
Key Advantages
- Reliable miniature circuit breaker for overload and short-circuit protection.
- 13 A rated current for industrial and commercial applications.
- K curve tripping characteristic designed for motors and inductive loads.
- 3P+N pole configuration for three-phase systems with neutral.
- Compact DIN rail mounting for modern control panels.
- Manufactured to IEC/EN 60898-1 and IEC/EN 60947-2 standards.
Key Features
- ABB System pro M compact S200M series.
- 13 A rated current.
- K tripping characteristic.
- 3P+N configuration.
- Current-limiting design.
- Thermal overload and electromechanical short-circuit protection.
- 10 kA breaking capacity at 230/400 V AC.
- DIN rail mounting.
Reliable Circuit Protection for Industrial Installations
The ABB S203M-K13NA automatically disconnects electrical circuits during overload or short-circuit conditions, helping protect wiring, motors and connected equipment from damage. Its current-limiting design reduces fault energy and improves system protection.
The K curve characteristic is specifically intended for applications with elevated inrush currents, making this miniature circuit breaker well suited to motor circuits, transformers, solenoids and industrial automation equipment.
Typical Applications
- Industrial motor circuits.
- Machine building and OEM equipment.
- Automation and control panels.
- Transformers and inductive loads.
- Commercial electrical distribution.
- Industrial distribution boards.
