Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ABB S301P-D63NA MCB – 1P+N – D Curve – 63A – 25kA
ABB S301P-D63NA miniature circuit breaker, a 1P plus N 63 A AC circuit protection device with switched neutral, D tripping characteristic and 25 kA breaking capacity designed for industrial and electrical distribution systems.
£66.80
Why Choose the ABB S301P-D63NA Miniature Circuit Breaker?
The ABB S301P-D63NA is a high-performance miniature circuit breaker (MCB) designed for reliable overcurrent protection in industrial, commercial and electrical distribution applications. As part of the advanced ABB System pro M compact S300P series, it provides dependable circuit protection with a compact DIN-rail mounting design for modern electrical installations.
This 1P+N circuit breaker features a D tripping characteristic, making it suitable for circuits with high inrush currents from equipment such as motors, transformers and industrial loads. Its switched neutral configuration provides additional circuit isolation by disconnecting both phase and neutral conductors when required.
With a 63 A rated current, 25 kA rated breaking capacity and AC supply capability, the ABB S301P-D63NA provides effective protection for single-phase electrical circuits. The DIN-rail mounting format enables quick and secure installation within control panels and distribution boards.
Key Advantages
- Compact miniature circuit breaker designed for industrial and commercial protection.
- 63 A rated current suitable for reliable circuit protection.
- D tripping characteristic designed for circuits with high starting currents.
- 1P+N configuration with switched neutral for enhanced circuit isolation.
- 25 kA rated breaking capacity for dependable fault interruption.
- Simple DIN-rail mounting for efficient electrical panel installation.
Key Features
- ABB System pro M compact S300P series.
- S301P-D63NA model.
- 1P+N miniature circuit breaker with switched neutral.
- D tripping characteristic.
- 63 A rated current.
- 25 kA rated breaking capacity.
- AC supply operation.
- DIN-rail mounting design for electrical distribution systems.
Reliable Circuit Protection for Industrial Electrical Systems
Miniature circuit breakers such as the ABB S301P-D63NA protect electrical circuits by automatically disconnecting power during overload and short-circuit conditions. This helps safeguard wiring, equipment and connected loads while improving the reliability and safety of electrical installations.
The ABB System pro M compact S300P series is designed for professional electrical distribution applications, combining high breaking capacity, compact dimensions and straightforward DIN-rail installation for modern control panels and switchboards.
Typical Applications
- Industrial control panels and electrical cabinets.
- Single-phase electrical distribution systems.
- Automation and machine-building equipment.
- Building electrical installations.
- Power distribution boards.
- Industrial machinery and production systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 63 A | |
|---|---|---|
| Poles | 1-pole + N | |
| Phase | Single Phase | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 25 kA | |
| Mounting type | DIN-rail mounting | |
| Product type | Miniature circuit breaker | |
| Number of poles | 1P+N | |
| Configuration | Switched neutral | |
| Tripping characteristic | D | |
| Rated current | 63 A | |
| Supply type | AC | |
| Manufacturer | ABB | |
| Series | System pro M compact S300P | |
| Model | S301P-D63NA | |
| Order code | 2CDS381103R0631 | |
| Rated breaking capacity | 25 kA | |
| Supply | AC |
Frequently Asked Questions
What is the ABB S301P-D63NA used for?
The ABB S301P-D63NA is used for protecting single-phase electrical circuits against overloads and short circuits in industrial, commercial and distribution applications.
What is the rated current of this miniature circuit breaker?
The S301P-D63NA has a rated current of 63 A.
What tripping characteristic does the ABB S301P-D63NA have?
The circuit breaker features a D tripping characteristic designed for circuits with higher inrush currents.
What pole configuration does this circuit breaker have?
The ABB S301P-D63NA is a 1P+N miniature circuit breaker with switched neutral.
What is the breaking capacity of the ABB S301P-D63NA?
The circuit breaker has a 25 kA rated breaking capacity.
Trusted by Electrical Engineers Worldwide
ABB System pro M compact miniature circuit breakers are widely used by electrical engineers, panel builders and industrial professionals to provide reliable protection, safe operation and efficient integration into modern electrical systems.
