Why Choose the ABB 2CDS381103R0405 S301P-B40NA Miniature Circuit Breaker?
The ABB 2CDS381103R0405, also identified as the S301P-B40NA, is a premium miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S300P series. Designed for demanding industrial and commercial electrical installations, it delivers dependable protection against overloads and short circuits while ensuring reliable operation in critical power distribution systems.
Manufactured to ABB's high engineering standards, this MCB combines robust construction with a compact modular design for easy DIN rail installation. Its integrated trip indication, fail-safe screw terminals and high interruption capacity make it suitable for modern switchboards, machine panels and industrial control systems.
Featuring a 40 A rated current, a Type B tripping characteristic, a 1P+N configuration and a 25 kA breaking capacity according to IEC 60947-2, the ABB 2CDS381103R0405 is ideal for protecting resistive loads, commercial distribution circuits and sensitive electrical installations.
Key Advantages
- High-quality miniature circuit breaker for industrial and commercial installations.
- 40 A rated current for medium to high power circuits.
- Type B tripping characteristic suitable for resistive and low inrush loads.
- 1P+N configuration disconnects both phase and neutral conductors.
- 25 kA breaking capacity provides excellent fault protection.
- Quick DIN rail installation with ABB's proven terminal technology.
Key Features
- ABB System pro M Compact S300P series.
- S301P-B40NA model.
- 40 A rated current.
- Type B tripping characteristic.
- 1 protected pole plus switched neutral (1P+N).
- 240 V AC rated operating voltage.
- 25 kA breaking capacity according to IEC 60947-2.
- DIN rail mounting with fail-safe screw terminals.
Reliable Circuit Protection for Electrical Installations
Miniature circuit breakers automatically disconnect electrical circuits whenever overload or short circuit conditions occur. The Type B tripping curve is particularly suitable for circuits supplying resistive loads, lighting systems and equipment with relatively low inrush currents, providing fast and dependable protection.
ABB's S300P range is engineered to provide long service life, high interruption performance and dependable operation in industrial, commercial and OEM electrical systems. Its compact modular construction makes it easy to integrate into new or existing installations.
Typical Applications
- Commercial electrical distribution.
- Industrial control panels.
- Lighting circuits.
- Power distribution boards.
- OEM machinery.
- Industrial automation systems.
