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2CDS381103R0635 ABB S301P-B63NA Miniature Circuit Breaker – 1+NP – B – 63 A
ABB S301P-B63NA miniature circuit breaker with 63 A rated current, B tripping characteristic, 1P+N configuration and 25 kA breaking capacity for industrial and commercial electrical protection.
£50.77
Why Choose the ABB 2CDS381103R0635 Miniature Circuit Breaker?
The ABB 2CDS381103R0635, also designated S301P-B63NA, is a premium miniature circuit breaker (MCB) from the proven ABB System pro M compact S300P series. It is engineered to provide dependable overload and short circuit protection for industrial, commercial and OEM electrical installations where high breaking capacity and reliable performance are essential.
Designed for modern electrical distribution systems, this compact circuit breaker features a B tripping characteristic, making it ideal for protecting resistive and lightly inductive loads. The integrated switched neutral, robust screw terminals and DIN rail mounting ensure fast installation and dependable long-term operation in distribution boards and control panels.
With a 63 A rated current, 240 V AC operating voltage, 1P+N configuration and an impressive 25 kA breaking capacity, the ABB S301P-B63NA delivers excellent protection for industrial power distribution while complying with recognised international standards.
Key Advantages
- High-performance miniature circuit breaker for industrial electrical protection.
- 63 A rated current for higher load circuits.
- B tripping characteristic ideal for resistive and standard commercial loads.
- 25 kA breaking capacity provides excellent fault protection.
- 1P+N configuration switches both phase and neutral conductors.
- Compact DIN rail installation with ABB System pro M compatibility.
Key Features
- ABB System pro M compact S300P series.
- Extended product type: S301P-B63NA.
- Manufacturer part number: 2CDS381103R0635.
- 63 A rated current.
- B tripping characteristic.
- 25 kA short circuit breaking capacity.
- 1 protected pole with switched neutral.
- Integrated trip indicator.
- Fail-safe screw terminals.
- Suitable for 50 / 60 Hz electrical systems.
Reliable Protection for Industrial Electrical Systems
Miniature circuit breakers automatically disconnect electrical circuits whenever overload or short circuit conditions occur, helping protect electrical wiring, equipment and connected machinery from damage while improving operational safety.
The B tripping characteristic is ideally suited to general-purpose electrical distribution, lighting circuits and standard commercial loads where rapid protection is required without nuisance tripping during normal operation. Combined with ABB's proven S300P platform, the S301P-B63NA provides dependable performance in demanding industrial environments.
Typical Applications
- Industrial distribution boards.
- Commercial electrical installations.
- Lighting and power circuits.
- Industrial control panels.
- OEM machinery.
- General electrical protection systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Phase | Single Phase | |
|---|---|---|
| Current | 63 A | |
| Poles | 1-pole + N | |
| Device Type | MCB | |
| Trip Curve | B curve | |
| Breaking Capacity | 25 kA | |
| Manufacturer | ABB | |
| Series | System pro M compact S300P | |
| Model | S301P-B63NA | |
| Product ID | 2CDS381103R0635 | |
| EAN | 4016779079143 | |
| Product type | Miniature circuit breaker (MCB) | |
| Rated current | 63 A | |
| Tripping characteristic | B | |
| Number of poles | 1P+N | |
| Protected poles | 1 | |
| Rated operating voltage | 240 V AC | |
| Rated DC voltage | 72 V DC | |
| Breaking capacity | 25 kA | |
| Rated insulation voltage | 500 V | |
| Impulse withstand voltage | 6 kV | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 (IP40 when installed in an enclosure) | |
| Mounting type | DIN rail | |
| Terminal type | Screw terminals | |
| Dimensions (H × W × D) | approx. 88 × 35 × 69 mm | |
| Weight | approx. 0.248 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB 2CDS381103R0635 used for?
This miniature circuit breaker protects electrical circuits against overloads and short circuits in industrial and commercial installations.
What is the rated current?
The ABB S301P-B63NA has a 63 A rated current.
What does the B tripping characteristic mean?
The B characteristic is designed for general-purpose circuits including lighting and resistive loads where relatively fast overload protection is required.
How is the breaker installed?
The circuit breaker is designed for quick installation onto a standard DIN rail inside distribution boards and control panels.
What is the breaking capacity?
The ABB S301P-B63NA provides a high 25 kA breaking capacity for demanding industrial electrical installations.
Trusted by Electrical Professionals Worldwide
ABB System pro M compact S300P miniature circuit breakers are trusted by electricians, panel builders and industrial engineers worldwide for delivering reliable circuit protection, exceptional durability and consistent long-term performance.
