Why Choose the ABB S203-D32NA Miniature Circuit Breaker?
The ABB S203-D32NA is a premium 3P+N miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200 series, engineered to provide reliable overload and short circuit protection for demanding industrial, commercial and OEM electrical installations. Featuring a D tripping characteristic, this breaker is specifically designed for circuits with high inrush currents, making it ideal for motors, compressors, transformers and other inductive loads.
Built using ABB's advanced thermal and electromagnetic tripping technology, the S203-D32NA delivers dependable circuit protection with excellent current limiting performance. Its compact DIN rail mounted design enables quick installation in switchboards, distribution boards and industrial control panels while remaining fully compatible with ABB's extensive range of S200 accessories.
With a 32 A rated current, 3P+N configuration and a 6 kA breaking capacity, the ABB S203-D32NA provides dependable protection for three-phase electrical systems requiring a switched neutral, ensuring safe and reliable operation in demanding industrial environments.
Key Advantages
- 3P+N miniature circuit breaker for three-phase systems with switched neutral.
- 32 A rated current for industrial power distribution.
- D characteristic trip curve for high inrush current applications.
- 6 kA breaking capacity for dependable short circuit protection.
- Compact DIN rail mounting for straightforward installation.
- Compatible with ABB S200 series accessories for enhanced system flexibility.
Key Features
- ABB System pro M Compact S200 series.
- Model: S203-D32NA.
- Rated current: 32 A.
- 3P+N pole configuration.
- D tripping characteristic.
- 6 kA rated short circuit capacity.
- Thermal overload and electromagnetic short circuit protection.
- Current limiting design.
- DIN rail mounting.
Reliable Protection for Industrial Power Systems
The ABB S203-D32NA automatically disconnects electrical circuits during overload and short circuit conditions, helping protect wiring, machinery and connected equipment from damage while maintaining electrical safety and operational reliability.
Its D characteristic provides a higher magnetic trip threshold than standard B and C curve devices, making it particularly suitable for motors, transformers, compressors, pumps and other inductive equipment with high starting currents.
Typical Applications
- Industrial motor circuits.
- Machine building and OEM equipment.
- Industrial control panels.
- Compressors and pumps.
- Transformer protection.
- Commercial and industrial power distribution.
