Why Choose the ABB S301P-B50 Miniature Circuit Breaker?
The ABB S301P-B50 (2CDS381001R0505) is a premium single-pole miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in demanding industrial and commercial electrical installations. As part of the trusted ABB System pro M compact S300P series, it combines exceptional reliability, a high breaking capacity and compliance with international IEC and UL standards.
Featuring a B tripping characteristic, the S301P-B50 is ideal for circuits with low inrush currents, providing fast disconnection to protect lighting circuits, resistive loads, control panels and other sensitive electrical installations. Its precision thermal and magnetic trip mechanisms help safeguard equipment whilst minimising downtime.
With a 50 A rated current, single-pole configuration and DIN rail mounting, this miniature circuit breaker is perfectly suited to industrial control panels, commercial distribution boards, OEM machinery and electrical installations requiring dependable circuit protection.
Key Advantages
- Compact single-pole miniature circuit breaker for industrial and commercial installations.
- 50 A rated current with B tripping characteristic.
- Fast protection for lighting and resistive electrical circuits.
- Reliable overload and short-circuit protection.
- 25 kA breaking capacity for demanding applications.
- DIN rail mounting enables fast installation and maintenance.
Key Features
- ABB System pro M compact S300P series.
- 50 A rated current.
- B tripping characteristic.
- Single-pole (1P) configuration.
- 415 V AC rated operational voltage.
- 125 V DC rated operational voltage.
- 25 kA ultimate short-circuit breaking capacity.
- Thermal overload and magnetic short-circuit protection.
- DIN rail mounting.
- Fail-safe screw terminals with contact position indicator.
Reliable Protection for Low Inrush Current Circuits
Miniature circuit breakers automatically disconnect electrical circuits whenever overloads or short circuits occur, protecting wiring, equipment and connected devices from electrical damage. Their resettable design allows systems to be quickly restored once faults have been safely corrected.
The B tripping characteristic is ideal for circuits with relatively low inrush currents, including lighting installations, resistive heating loads, office equipment and general-purpose commercial electrical systems where rapid fault clearance is required.
Typical Applications
- Commercial distribution boards.
- Lighting circuits.
- Office and commercial buildings.
- Industrial control panels.
- OEM machinery.
- General-purpose electrical installations.
