Why Choose the ABB 2CDS381001R0578 Miniature Circuit Breaker?
The ABB 2CDS381001R0578, also known as the ABB S301P-Z50, is a premium miniature circuit breaker (MCB) from the ABB System pro M compact S300P series. Designed to provide dependable protection against overloads and short circuits, it is ideal for industrial control systems, electrical distribution panels and applications requiring highly sensitive circuit protection.
Manufactured to internationally recognised IEC and UL standards, the S301P-Z50 delivers reliable operation, exceptional fault interruption capability and long service life. Its compact modular design allows fast DIN rail installation while remaining fully compatible with ABB's extensive range of System pro M compact accessories.
With a 50 A rated current, a Type Z tripping characteristic and a 25 kA ultimate breaking capacity, this circuit breaker is particularly suited to protecting sensitive electronic equipment, semiconductor devices, PLCs and control circuits where rapid fault response is essential.
Key Advantages
- High-performance miniature circuit breaker for industrial applications.
- 50 A rated current for demanding electrical installations.
- Type Z tripping characteristic for highly sensitive electronic circuits.
- 25 kA breaking capacity provides excellent fault protection.
- Compact single-module design saves valuable panel space.
- Quick DIN rail installation with secure screw terminals.
Key Features
- ABB System pro M compact S300P series.
- S301P-Z50 miniature circuit breaker.
- Single-pole configuration.
- 50 A rated current.
- Type Z tripping characteristic.
- Up to 480Y/277 V AC and 125 V DC operation.
- 25 kA ultimate short-circuit breaking capacity (Icu).
- Reliable thermal and magnetic trip mechanism.
Reliable Protection for Sensitive Electronic Equipment
The ABB S301P-Z50 automatically disconnects electrical circuits during overload and short-circuit conditions, helping to protect valuable equipment, minimise downtime and improve installation safety. Its highly sensitive Type Z tripping characteristic is particularly effective for protecting electronic devices and control circuits with low fault current tolerances.
Its high breaking capacity and robust construction make it suitable for demanding industrial environments where dependable protection and long-term reliability are critical.
Typical Applications
- PLC and automation systems.
- Industrial control panels.
- Electronic equipment protection.
- Instrumentation circuits.
- OEM machinery.
- Commercial and industrial electrical distribution.
