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ABB S301P-B8NA MCB – 1P+N – B Curve – 8A – 25kA
ABB S301P-B8NA miniature circuit breaker, an 8 A 1P+N switched-neutral B-characteristic AC circuit breaker with a 25 kA rated breaking capacity for electrical circuit protection.
£37.65
Why Choose the ABB S301P-B8NA Miniature Circuit Breaker?
The ABB S301P-B8NA 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 B tripping characteristic with a high 25 kA rated breaking capacity for demanding circuit protection applications.
The S301P-B8NA features a 1P+N configuration with switched neutral, allowing the live conductor and neutral to be switched as part of the circuit protection arrangement. Its thermal-magnetic overcurrent protection and compact modular construction make it suitable for professional electrical distribution, control panels and equipment installations.
With an 8 A rated current, B tripping characteristic and 25 kA rated breaking capacity, the S301P-B8NA provides reliable protection for circuits with lower starting and inrush currents. DIN-rail mounting supports straightforward integration into suitable distribution boards and electrical assemblies.
Key Advantages
- Compact 1P+N miniature circuit breaker with switched neutral.
- 8 A rated current for circuit protection applications.
- B tripping characteristic suitable for circuits with lower starting and inrush currents.
- 25 kA rated breaking capacity for dependable short-circuit protection.
- Switched neutral arrangement for convenient circuit isolation.
- 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-B8NA 1P+N configuration.
- 8 A rated current.
- B tripping characteristic.
- 25 kA rated breaking capacity.
- Switched neutral configuration.
- 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 with Switched Neutral
The ABB S301P-B8NA 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 B tripping characteristic is intended for circuits where lower levels of starting or inrush current are expected. This makes the S300P B-characteristic range suitable for selected electrical distribution and equipment protection applications where dependable circuit protection is required.
Typical Applications
- Industrial and commercial electrical distribution systems.
- Control circuits and control panels.
- Industrial automation installations.
- Machinery and manufacturing equipment.
- Electrical circuits with lower starting or inrush currents.
- Switchboards and distribution assemblies.
- OEM machinery and professional electrical installations.
Technical Specifications
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| Current | 8 A | |
|---|---|---|
| Poles | 1-pole + N | |
| Phase | Single Phase | |
| Device Type | MCB | |
| Trip Curve | B curve | |
| Breaking Capacity | 25 kA | |
| Protection rating | IP20 | |
| Product type | Miniature circuit breaker | |
| ABB part number | 2CDS381103R0085 | |
| Number of poles | 1P+N | |
| Neutral | Switched neutral | |
| Rated current | 8 A | |
| Tripping characteristic | B | |
| Mounting type | DIN rail | |
| Terminal type | Screw terminals | |
| Rated frequency | 50 / 60 Hz | |
| Manufacturer | ABB | |
| Series | System pro M compact S300P | |
| Model | S301P-B8NA | |
| Order code | 2CDS381103R0085 | |
| Rated breaking capacity | 25 kA | |
| Supply | AC |
Frequently Asked Questions
What is the ABB S301P-B8NA used for?
The ABB S301P-B8NA is a 1P+N miniature circuit breaker used to protect electrical circuits against overloads and short circuits in industrial, commercial and electrical distribution applications.
What is the rated current of the S301P-B8NA?
The S301P-B8NA has an 8 A rated current.
What is the tripping characteristic of this circuit breaker?
The S301P-B8NA has a B tripping characteristic, making it suitable for circuits that can experience lower starting or inrush currents.
What is the breaking capacity of the ABB S301P-B8NA?
The circuit breaker has a 25 kA rated breaking capacity.
How many poles does the S301P-B8NA have?
The S301P-B8NA has a 1P+N configuration with a switched neutral.
How is the ABB S301P-B8NA 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 electrical distribution, control panels, machinery and automation installations.
