Why Choose the ABB 2CDS381103R0505 S301P-B50NA Miniature Circuit Breaker?
The ABB 2CDS381103R0505, also known as the S301P-B50NA, is a premium miniature circuit breaker (MCB) from the renowned ABB System pro M Compact S300P series. Designed for industrial and commercial electrical installations, it provides dependable protection against overloads and short circuits whilst delivering excellent long-term reliability for high-capacity electrical circuits.
Manufactured to international IEC and UL standards, the S301P-B50NA combines ABB's proven engineering with a compact DIN rail-mounted design. Integrated trip indication, fail-safe screw terminals and compatibility with ABB System pro M Compact accessories ensure straightforward installation, maintenance and future system expansion.
With a 50 A rated current, a Type B tripping characteristic, a 1P+N configuration and a 25 kA ultimate breaking capacity, the ABB 2CDS381103R0505 is ideally suited to protecting resistive loads, distribution circuits and commercial electrical installations where fast fault disconnection is required.
Key Advantages
- Industrial miniature circuit breaker for overload and short-circuit protection.
- 50 A rated current suitable for high-capacity commercial and industrial circuits.
- Type B tripping characteristic provides rapid protection for resistive loads.
- 1P+N configuration disconnects both phase and neutral conductors.
- 25 kA breaking capacity for demanding industrial installations.
- Compact DIN rail mounting with ABB fail-safe terminal technology.
Key Features
- ABB System pro M Compact S300P series.
- S301P-B50NA model.
- 50 A rated current.
- Type B tripping characteristic.
- 1 protected pole plus switched neutral (1P+N).
- 240 V AC operating voltage.
- 72 V DC operating voltage.
- 25 kA ultimate short-circuit breaking capacity.
- DIN rail mounting with integrated trip indication and screw terminals.
Reliable Protection for General-Purpose Electrical Circuits
Miniature circuit breakers automatically disconnect electrical circuits whenever overload or short-circuit conditions occur. The Type B tripping characteristic is designed for circuits with low inrush currents, making it ideal for resistive loads such as lighting, heating systems and general-purpose power distribution where rapid fault disconnection is essential.
The ABB S300P range offers outstanding interruption performance, long service life and worldwide approvals, making it a preferred choice for industrial automation, commercial electrical installations, OEM equipment and electrical distribution systems.
Typical Applications
- Commercial electrical distribution.
- Lighting installations.
- Heating circuits.
- Industrial control panels.
- General-purpose power circuits.
- OEM machinery.
- Commercial buildings.
