Why Choose the ABB S303P-K32 Miniature Circuit Breaker?
The ABB S303P-K32 (2CDS383001R0468) is a premium three-pole miniature circuit breaker (MCB) engineered to provide dependable protection against overloads and short circuits in industrial and commercial electrical installations. As part of the proven ABB S300P series, it delivers excellent electrical performance, high breaking capacity and long-term reliability in demanding environments.
Designed in accordance with recognised IEC and UL standards, the S303P-K32 features a compact DIN rail design with robust construction for installation in industrial control panels, switchgear assemblies and power distribution systems. Its fail-safe terminals and dual supply capability simplify installation while ensuring secure electrical connections.
With a rated current of 32 A, a Type K tripping characteristic and a 25 kA rated short-circuit breaking capacity, the S303P-K32 is ideally suited to protecting three-phase motors, transformers and other inductive loads with elevated starting currents.
Key Advantages
- Industrial-grade three-pole miniature circuit breaker.
- 32 A rated current with Type K tripping characteristics.
- Reliable overload and short-circuit protection.
- 25 kA rated breaking capacity for demanding industrial installations.
- Suitable for motor circuits and inductive loads.
- Compact DIN rail mounting for straightforward installation.
Key Features
- ABB S300P series.
- 3-pole configuration.
- 32 A rated current.
- Type K tripping characteristic.
- Rated operating voltage up to 415 V AC.
- Rated DC voltage up to 125 V DC.
- 25 kA rated breaking capacity.
- Ultimate short-circuit breaking capacity up to 100 kA.
- Red ON / green OFF contact position indicator.
- Failsafe screw terminals with top or bottom supply connection.
- DIN rail mounting compatible with ABB System pro M Compact accessories.
Reliable Protection for Industrial Electrical Systems
The ABB S303P-K32 automatically disconnects electrical circuits during overload or short-circuit conditions, helping protect cables, motors and connected equipment while reducing downtime and improving system reliability.
Its Type K tripping characteristic is specifically designed for circuits with higher starting currents, making it ideal for industrial motors, transformers, compressors and other inductive loads commonly found in manufacturing and automation environments.
Typical Applications
- Industrial motor protection.
- Machine building and OEM equipment.
- Industrial control panels.
- Power distribution systems.
- Transformers and inductive loads.
- Manufacturing and automation facilities.