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ABB S301P-D3 MCB – 1P – D Curve – 3A – 25kA
ABB S301P-D3 miniature circuit breaker, a 3 A single-pole D-characteristic AC circuit breaker with a 25 kA rated breaking capacity for electrical circuit protection.
£30.98
Why Choose the ABB S301P-D3 Miniature Circuit Breaker?
The ABB S301P-D3 is a compact and reliable miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in industrial and commercial electrical installations. As part of the ABB System pro M compact S300P series, it combines a D tripping characteristic with a high 25 kA rated breaking capacity for demanding circuit protection applications.
The S301P-D3 provides thermal-magnetic overcurrent protection and is designed for electrical distribution, control panels and industrial equipment where dependable circuit protection is required. Its single-pole configuration protects one live conductor without a neutral pole, while the compact modular format supports straightforward DIN-rail installation.
With a 3 A rated current, D tripping characteristic and 25 kA rated breaking capacity, the S301P-D3 is suitable for selected circuits where higher starting or inrush currents may occur. Its DIN-rail mounting and robust terminal arrangement make it practical for professional electrical assemblies.
Key Advantages
- Compact single-pole miniature circuit breaker for electrical protection.
- 3 A rated current for low-current circuit protection applications.
- D tripping characteristic suitable for circuits with higher starting or inrush currents.
- 25 kA rated breaking capacity for dependable short-circuit protection.
- DIN-rail mounting for convenient installation in distribution and control equipment.
- Designed to protect electrical circuits against overloads and short circuits.
Key Features
- ABB System pro M compact S300P series.
- S301P-D3 single-pole configuration.
- 3 A rated current.
- D tripping characteristic.
- 25 kA rated breaking capacity.
- Single-pole design with no neutral pole.
- Thermal-magnetic overcurrent protection.
- DIN-rail mounting design.
- Screw terminal connections.
- Suitable for AC supply applications.
- Compact modular construction for electrical distribution equipment.
Reliable Overcurrent Protection for Electrical Circuits
The ABB S301P-D3 combines thermal and magnetic protection to disconnect a circuit when excessive current conditions occur. The thermal mechanism responds to sustained overload conditions, while the magnetic protection provides rapid interruption during short-circuit events.
The D characteristic is intended for applications where circuits can experience comparatively high transient or starting currents. This makes the S300P D-characteristic range suitable for selected industrial loads and equipment where reliable circuit protection is required alongside tolerance of higher inrush currents.
Typical Applications
- Industrial electrical distribution systems.
- Control circuits and control panels.
- Industrial automation installations.
- Machinery and manufacturing equipment.
- Electrical circuits with higher inrush currents.
- Switchboards and distribution assemblies.
- OEM machinery and professional electrical installations.
Technical Specifications
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| Current | 3 A | |
|---|---|---|
| Poles | 1-pole | |
| Phase | Single Phase | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 25 kA | |
| Protection rating | IP20 | |
| Product type | Miniature circuit breaker | |
| ABB part number | 2CDS381001R0031 | |
| Number of poles | 1P | |
| Neutral | No neutral pole | |
| Rated current | 3 A | |
| Tripping characteristic | D | |
| Mounting type | DIN rail | |
| Terminal type | Screw terminals | |
| Rated frequency | 50 / 60 Hz | |
| Manufacturer | ABB | |
| Series | System pro M compact S300P | |
| Model | S301P-D3 | |
| Order code | 2CDS381001R0031 | |
| Rated breaking capacity | 25 kA | |
| Supply | AC |
Frequently Asked Questions
What is the ABB S301P-D3 used for?
The ABB S301P-D3 is a single-pole miniature circuit breaker used to protect electrical circuits against overloads and short circuits in industrial and electrical distribution applications.
What is the rated current of the S301P-D3?
The S301P-D3 has a 3 A rated current.
What is the tripping characteristic of this circuit breaker?
The S301P-D3 has a D tripping characteristic, making it suitable for selected circuits that can experience higher starting or inrush currents.
What is the breaking capacity of the ABB S301P-D3?
The circuit breaker has a 25 kA rated breaking capacity.
How many poles does the S301P-D3 have?
The S301P-D3 is a 1-pole miniature circuit breaker and does not include a neutral pole.
How is the ABB S301P-D3 mounted?
The circuit breaker is designed for DIN-rail mounting in suitable distribution boards, control panels and electrical assemblies.
Trusted by Electrical Professionals
ABB System pro M compact S300P miniature circuit breakers provide dependable overcurrent protection for industrial electrical distribution, control panels, machinery and automation installations.
