Why Choose the ABB S203-K13NA Miniature Circuit Breaker?
The ABB S203-K13NA is a premium 3-pole + neutral miniature circuit breaker (MCB) from the trusted ABB System pro M compact S200 series. Designed to provide reliable overload and short circuit protection, it is ideal for industrial control panels, machinery, commercial switchboards and electrical distribution systems requiring dependable circuit protection.
Featuring a K trip characteristic, the S203-K13NA is specifically engineered for circuits with moderate inrush currents, making it well suited to motors, transformers, solenoids and other inductive loads. Its current limiting design helps reduce fault energy, improving equipment protection while increasing overall system reliability.
With a 13 A rated current, 3 protected poles plus neutral and a compact DIN rail mounted design, the ABB S203-K13NA is quick to install and fully compatible with ABB System pro M compact accessories including auxiliary contacts, shunt trips and undervoltage releases.
Key Advantages
- Reliable 3-pole + neutral miniature circuit breaker.
- 13 A rated current for industrial and commercial protection.
- K trip characteristic ideal for motors and inductive loads.
- Thermal and magnetic tripping mechanisms provide dependable protection.
- Current limiting construction reduces fault energy.
- DIN rail mounting for quick installation.
Key Features
- ABB System pro M compact S200 series.
- Model: S203-K13NA.
- Rated current: 13 A.
- Configuration: 3 protected poles + neutral.
- K tripping characteristic.
- Thermal overload and magnetic short circuit protection.
- Current limiting energy class 3.
- DIN rail mounting.
- Failsafe bi-directional screw terminals.
- Compatible with ABB auxiliary contacts, shunt trips and undervoltage releases.
Reliable Circuit Protection for Industrial Applications
The ABB S203-K13NA combines thermal overload protection with instantaneous magnetic short circuit protection to safeguard electrical installations against overloads and fault currents. Its current limiting construction minimises the energy released during faults, helping protect downstream equipment and improve system uptime.
As part of ABB's proven System pro M compact range, the S203-K13NA delivers dependable performance, simple installation and long-term reliability across industrial, commercial and OEM electrical applications.
Typical Applications
- Industrial control panels.
- Motor control circuits.
- Automation systems.
- OEM machinery.
- Commercial switchboards.
- Electrical distribution systems.
