Why Choose the ABB 2CDS381103R0158 S301P-Z0.5NA Miniature Circuit Breaker?
The ABB 2CDS381103R0158, also known as the S301P-Z0.5NA, is a premium miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in industrial, commercial and specialist control applications. As part of the renowned ABB System pro M compact S300P series, it delivers exceptional performance, high breaking capacity and outstanding reliability in demanding electrical installations.
Featuring a 0.5 A rated current, a Type Z tripping characteristic and a high 25 kA breaking capacity, this circuit breaker is specifically designed to protect highly sensitive electronic equipment, PLCs, semiconductor devices and precision control circuits. The fast tripping response helps safeguard valuable components from even relatively small overloads and fault currents.
With a 1P+N pole configuration, 240 V AC rated voltage and compact DIN rail mounting, the S301P-Z0.5NA is easy to install within distribution boards, automation panels and industrial control cabinets. Its integrated trip indicator and fail-safe terminals further improve installation safety and maintenance efficiency.
Key Advantages
- Premium miniature circuit breaker for sensitive electrical equipment.
- 0.5 A rated current for precision protection.
- Type Z tripping characteristic for rapid fault response.
- 25 kA short-circuit breaking capacity.
- 1P+N pole configuration.
- Integrated trip indication for quick fault identification.
- Fail-safe screw terminals for secure wiring.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB System pro M compact S300P series.
- S301P-Z0.5NA miniature circuit breaker.
- 0.5 A rated current.
- Type Z tripping curve.
- 25 kA breaking capacity.
- 1P+N pole configuration.
- 240 V AC rated operational voltage.
- 72 V DC rated voltage.
- DIN rail mounting.
- Integrated trip indicator and fail-safe terminals.
Reliable Protection for Sensitive Electronic Circuits
The ABB S301P-Z0.5NA is engineered for applications where sensitive electronic equipment requires very rapid fault detection. Its Type Z characteristic provides fast disconnection during overloads and short circuits, helping minimise damage to delicate control devices and electronic components.
Its compact construction, robust mechanical design and high short-circuit breaking capacity make it an excellent choice for industrial automation, instrumentation systems, laboratories and OEM equipment where dependable circuit protection is essential.
Typical Applications
- PLC and automation control panels.
- Sensitive electronic equipment.
- Instrumentation systems.
- Laboratory equipment.
- Semiconductor manufacturing equipment.
- Industrial control cabinets.
- OEM machinery.
- Electrical distribution systems.
