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ABB S303P-D4 MCB – 3P – D Curve – 4A – 25kA
ABB S303P-D4 miniature circuit breaker, a 4 A 3P D-characteristic AC circuit breaker with no neutral pole and a 25 kA rated breaking capacity for electrical circuit protection.
£100.14
Why Choose the ABB S303P-D4 Miniature Circuit Breaker?
The ABB S303P-D4 is a System pro M compact S300P miniature circuit breaker designed to provide reliable overcurrent protection for AC electrical circuits requiring a 4 A rated current.
Featuring a 3P configuration with no neutral pole, D tripping characteristic and 25 kA rated breaking capacity, the S303P-D4 is suited to circuits where higher starting or inrush currents may occur alongside the need for dependable short-circuit protection.
Designed for DIN-rail mounting, this compact ABB circuit breaker is suitable for professional distribution boards, control panels, industrial automation equipment and other modular electrical installations.
Key Advantages
- Compact 3P miniature circuit breaker with no neutral pole.
- 4 A rated current for low-current circuit protection.
- D tripping characteristic for circuits with higher starting or inrush currents.
- 25 kA rated breaking capacity for robust short-circuit protection.
- Thermal-magnetic overcurrent protection for overload and short-circuit conditions.
- AC supply compatibility for suitable electrical distribution and control circuits.
- DIN-rail mounting for straightforward installation in modular assemblies.
Key Features
- ABB System pro M compact S300P series.
- Model: S303P-D4.
- 3P configuration with no neutral pole.
- 4 A rated current.
- D tripping characteristic.
- 25 kA rated breaking capacity.
- Thermal-magnetic circuit protection.
- AC supply.
- DIN-rail mounting.
- Screw terminal connection.
- Compact modular construction for electrical distribution and control applications.
Reliable Overcurrent Protection
The S303P-D4 combines thermal and magnetic protection to help protect electrical circuits against overload and short-circuit conditions. Its D tripping characteristic is intended for circuits where higher starting or inrush currents can occur, helping provide suitable protection without unnecessary interruption during normal equipment starting.
The 3P configuration provides three-pole circuit protection without a neutral pole, while the 25 kA rated breaking capacity provides a high level of short-circuit interruption capability for suitable installations.
Typical Applications
- Industrial electrical distribution.
- Commercial and professional electrical installations.
- Control circuits and control panels.
- Industrial automation systems.
- Machinery and manufacturing equipment.
- Switchboards and modular distribution assemblies.
- Low-current circuits with higher starting or inrush currents.
- OEM electrical equipment and control systems.
Technical Specifications
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| Current | 4 A | |
|---|---|---|
| Poles | 3-pole | |
| Phase | Three Phase | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 25 kA | |
| Protection | IP20 | |
| Product type | Miniature circuit breaker | |
| ABB part number | 2CDS383001R0041 | |
| Number of poles | 3P | |
| Neutral | No neutral pole | |
| Rated current | 4 A | |
| Tripping characteristic | D | |
| Mounting | DIN rail | |
| Terminal connection | Screw terminals | |
| Frequency | 50 / 60 Hz | |
| Manufacturer | ABB | |
| Series | System pro M compact S300P | |
| Model | S303P-D4 | |
| Order code | 2CDS383001R0041 | |
| Rated breaking capacity | 25 kA | |
| Supply | AC |
Frequently Asked Questions
What is the ABB S303P-D4 used for?
The ABB S303P-D4 is a 3P miniature circuit breaker designed for AC circuit protection against overload and short-circuit conditions, particularly in circuits where higher starting or inrush currents can occur.
What is the rated current of the S303P-D4?
The ABB S303P-D4 has a rated current of 4 A.
What tripping characteristic does the S303P-D4 have?
The S303P-D4 has a D tripping characteristic, suitable for electrical circuits where higher starting or inrush currents may be present.
What is the breaking capacity of the ABB S303P-D4?
The ABB S303P-D4 has a rated breaking capacity of 25 kA.
How many poles does the S303P-D4 have?
The ABB S303P-D4 is a 3P miniature circuit breaker with no neutral pole.
How is the ABB S303P-D4 mounted?
The ABB S303P-D4 is designed for DIN-rail mounting in suitable electrical distribution boards, control panels and modular assemblies.
Trusted by Electrical Professionals
ABB System pro M compact S300P miniature circuit breakers provide dependable modular circuit protection for professional electrical distribution, control and automation applications.
