ABB S303P-K32 three-pole miniature circuit breaker with a 32 A rated current, Type K tripping characteristic and 25 kA breaking capacity for industrial motor and circuit protection.
£189.31
The ABB S303P-K32 (2CDS383001R0537) is a high-performance three-pole miniature circuit breaker (MCB) designed to provide reliable protection against overloads and short circuits in demanding industrial electrical installations. As part of the proven ABB S300P series, it combines robust construction, high fault-breaking capacity and dependable switching performance for three-phase industrial applications.
Manufactured in accordance with recognised IEC and UL standards, the S303P-K32 is suitable for industrial control panels, switchgear assemblies and power distribution systems. Its compact modular design, fail-safe terminals and DIN rail mounting simplify installation while ensuring long-term operational reliability.
With a rated current of 32 A, a Type K tripping characteristic and a rated short-circuit breaking capacity of 25 kA, this circuit breaker is ideally suited to protecting motors, transformers, solenoids and other inductive loads with high starting currents.
The ABB S303P-K32 automatically disconnects electrical circuits during overload or short-circuit conditions, helping protect motors, transformers, cables and connected equipment from damage while reducing costly downtime.
Its Type K tripping characteristic is specifically designed to accommodate the higher inrush currents generated by motors and inductive equipment, reducing nuisance tripping while maintaining dependable fault protection.
| Current | 32 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | S300P |
| Model | S303P-K32 |
| Product ID | 2CDS383001R0537 |
| EAN | 4016779077644 |
| Product type | Miniature circuit breaker (MCB) |
| Rated current | 32 A |
| Number of poles | 3 |
| Number of protected poles | 3 |
| Tripping characteristic | Type K |
| Rated AC voltage | 415 V AC |
| Rated DC voltage | 125 V DC |
| Rated insulation voltage | 500 V |
| Rated impulse withstand voltage | 6 kV |
| Rated breaking capacity | 25 kA |
| Frequency | 50 / 60 Hz |
| Overvoltage category | IV |
| Pollution degree | 3 |
| Protection rating | IP20 |
| Mounting type | DIN rail |
| Modular width | 3 modules |
| Dimensions (H × W × D) | approx. 88 × 52.5 × 69 mm |
| Weight | approx. 0.372 kg |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
The S303P-K32 protects industrial three-phase circuits against overloads and short circuits, particularly those supplying motors, transformers and other inductive equipment.
The ABB S303P-K32 has a rated current of 32 A.
Type K circuit breakers are designed for inductive loads with high starting currents, making them ideal for motors and transformers.
The circuit breaker has a rated short-circuit breaking capacity of 25 kA.
The breaker mounts directly onto a standard DIN rail inside industrial control panels, switchboards and electrical distribution systems.
ABB S300P miniature circuit breakers are trusted by electrical engineers, OEM manufacturers and panel builders for dependable protection, high breaking performance and reliable operation in demanding industrial environments.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...