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ABB S303P-D1 MCB – 3P – D Curve – 1A – 25kA
ABB S303P-D1 System pro M compact S300P miniature circuit breaker with 3-pole configuration, D tripping characteristic, 1 A rated current, 25 kA rated breaking capacity and DIN-rail mounting for AC applications.
£107.85
Why Choose the ABB S303P-D1?
The ABB S303P-D1 is a high-performance miniature circuit breaker from the System pro M compact S300P series, designed to provide dependable protection against overloads and short circuits in AC electrical installations.
This 3-pole miniature circuit breaker combines a 1 A rated current with a D tripping characteristic and a high 25 kA rated breaking capacity, making it suitable for circuits where higher transient or starting currents can occur.
With its three-pole configuration and compact DIN-rail design, the S303P-D1 provides a practical solution for protecting multi-phase electrical circuits in distribution boards, control panels and industrial installations.
Key Advantages
- High breaking capacity: Provides a rated breaking capacity of 25 kA for robust short-circuit protection.
- D tripping characteristic: Suitable for circuits where higher instantaneous current levels can occur during equipment starting or operation.
- 3-pole configuration: Provides simultaneous circuit interruption across three poles without a dedicated neutral pole.
- 1 A rated current: Provides protection for low-current AC circuits and control applications.
- DIN-rail mounting: Enables convenient installation in compatible electrical distribution and control equipment.
- System pro M compact platform: Forms part of ABB's S300P range for modular low-voltage circuit protection.
Key Features
- ABB System pro M compact S300P series miniature circuit breaker
- Model S303P-D1
- 3-pole configuration with no dedicated neutral pole
- D tripping characteristic
- Rated current: 1 A
- Rated breaking capacity: 25 kA
- AC supply/application
- DIN-rail mounting
Reliable Circuit Protection for Industrial Electrical Systems
The S303P-D1 is designed for electrical distribution and control applications where dependable miniature circuit protection is required. Its D characteristic accommodates circuits that may experience higher transient or starting currents while maintaining protection against excessive current conditions.
With its 3-pole configuration and 25 kA breaking capacity, the breaker provides a practical solution for installations requiring coordinated interruption of three circuit conductors without a dedicated neutral pole.
Typical Applications
- Industrial control panels and electrical distribution boards
- Automation and control circuits
- 1 A AC circuits
- Multi-phase electrical machinery and equipment
- Commercial and industrial building services
- Applications requiring D-characteristic miniature circuit protection
Technical Specifications
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| Current | 1 A | |
|---|---|---|
| Poles | 3-pole | |
| Phase | Three Phase | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 25 kA | |
| Mounting type | DIN rail | |
| Rated current | 1 A | |
| Tripping characteristic | D | |
| Number of poles | 3P | |
| Neutral pole | None | |
| Product type | Miniature circuit breaker | |
| Manufacturer | ABB | |
| Series | System pro M compact S300P | |
| Model | S303P-D1 | |
| Order code | 2CDS383001R0011 | |
| Rated breaking capacity | 25 kA | |
| Supply | AC |
Frequently Asked Questions
What is the ABB S303P-D1?
The ABB S303P-D1 is a System pro M compact S300P miniature circuit breaker with a 3-pole configuration, D tripping characteristic, 1 A rated current and 25 kA rated breaking capacity.
What is the rated current of the S303P-D1?
The S303P-D1 has a rated current of 1 A.
What does the D tripping characteristic mean?
The D tripping characteristic is intended for circuits where higher transient or starting currents can occur, while providing protection against sustained overcurrent and short-circuit conditions.
Is the S303P-D1 a neutral-switching device?
No. The S303P-D1 is a 3P device with no dedicated neutral pole.
What is the breaking capacity of the S303P-D1?
The ABB S303P-D1 has a rated breaking capacity of 25 kA and is designed for AC applications.
Trusted by Machine Builders Worldwide
The ABB System pro M compact S300P range provides modular circuit protection for industrial, commercial and control applications where dependable electrical protection and straightforward DIN-rail installation are required.
