ABB S304P-D10 MCB – 4P – D Curve – 10A – 25kA

Why Choose the ABB S304P-D10 Miniature Circuit Breaker?

The ABB S304P-D10 is a high-performance miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection for demanding electrical installations. As part of the ABB System pro M compact S300P series, it combines a high 25 kA breaking capacity with a compact modular design for industrial, commercial and infrastructure applications.

This four-pole circuit breaker uses a D tripping characteristic and a rated current of 10 A, making it suitable for circuits supplying loads that can produce higher starting or inrush currents. The S300P series provides dependable protection against overloads and short circuits while supporting straightforward integration into modern electrical distribution systems.

With an AC supply, a 10 A rated current and a 25 kA rated breaking capacity, the S304P-D10 provides robust circuit protection in distribution boards and control panels. Its 4P configuration without a neutral pole provides simultaneous protection and switching across four poles, while DIN-rail mounting enables straightforward installation.

Key Advantages

• High-performance miniature circuit breaker designed for demanding electrical installations.
• 10 A rated current suitable for a range of industrial and commercial circuits.
• D tripping characteristic suited to circuits with higher starting or inrush currents.
• 4P configuration without a neutral pole for multi-pole circuit protection.
• 25 kA rated breaking capacity for robust fault protection.
• Convenient DIN-rail mounting for distribution boards and control panels.

Key Features

• ABB System pro M compact S300P series.
• 10 A rated current.
• D tripping characteristic.
• 4-pole configuration without neutral.
• 25 kA rated breaking capacity.
• AC supply operation.
• Thermal overload and electromechanical short-circuit protection.
• DIN-rail mounting for compact electrical distribution systems.
• Trip position indication for improved identification of tripped devices.
• Compatible with System pro M compact accessories.

Reliable Circuit Protection for Demanding Applications

Miniature circuit breakers such as the ABB S304P-D10 protect electrical circuits against excessive current caused by overloads and short circuits. The breaker combines thermal protection for overload conditions with electromechanical protection for short-circuit conditions, helping safeguard electrical wiring and connected equipment.

The S300P series is designed for demanding industrial and commercial electrical installations, offering high fault protection performance and compatibility with System pro M compact accessories. The S304P-D10's D characteristic makes it suitable for circuits where equipment can produce higher transient starting currents, while its four-pole configuration provides multi-pole circuit protection.

Typical Applications

• Industrial electrical distribution boards.
• Four-pole control panels and switchboards.
• Motors and equipment with higher starting currents.
• Transformers and power supplies with inrush currents.
• Commercial electrical installations.
• Industrial machinery and building-services distribution equipment.