ABB S204M-K5UC MCB – 4P – K Curve – 5A – 10kA – AC/DC

Why Choose the ABB S204M-K5UC Miniature Circuit Breaker?

The ABB S204M-K5UC is a high-performance miniature circuit breaker from the System pro M compact S200M series, designed to provide dependable overcurrent and short-circuit protection in demanding electrical installations. With four poles, a K tripping characteristic and a rated current of 5 A, it provides reliable circuit protection for applications where controlled response to overload and short-circuit conditions is required.

With a rated breaking capacity of 10 kA and compatibility with both AC and DC supplies through its UC configuration, the S204M-K5UC offers flexible protection across a wide range of electrical systems. Its compact DIN-rail mounting format supports efficient installation within distribution boards, control panels and industrial assemblies.

Built around ABB's System pro M compact platform, this 4-pole MCB combines practical installation with robust protection performance, making it suitable for professional electrical distribution, automation and control applications.

Key Advantages

• Reliable circuit protection: Provides dependable protection against overload and short-circuit conditions.
• K tripping characteristic: Designed for applications requiring a K characteristic response.
• 4-pole protection: Four poles provide coordinated protection across the connected circuits.
• AC and DC compatibility: The UC version supports both AC and DC supply applications.
• 10 kA breaking capacity: Provides a robust interruption capability for fault protection.
• DIN-rail mounting: Enables straightforward integration into compatible distribution and control equipment.
• Compact S200M design: Supports efficient use of panel and distribution-board space.

Key Features

• ABB System pro M compact S200M series miniature circuit breaker
• Model: S204M-K5UC
• 4-pole configuration
• K tripping characteristic
• Rated current: 5 A
• Rated breaking capacity: 10 kA
• Supply: AC and DC (UC version)
• DIN-rail mounting
• Manufacturer part number: 2CDS274061R0357

Reliable Circuit Protection for Industrial Systems

The ABB S204M-K5UC provides dependable miniature circuit protection for electrical distribution and control systems where a 5 A rating and K tripping characteristic are required. Its 10 kA rated breaking capacity supports reliable interruption of fault currents, while the four-pole configuration enables coordinated protection within multi-pole circuits.

The UC configuration allows the S204M-K5UC to be used with both AC and DC supplies, increasing application flexibility. DIN-rail mounting makes the device well suited to compact control panels, distribution boards and industrial electrical assemblies where straightforward installation and reliable protection are important.

Typical Applications

• Industrial electrical distribution
• Control panels and automation systems
• Machine electrical protection
• Commercial and industrial distribution boards
• AC and DC control circuits
• Electrical equipment requiring 4-pole circuit protection
• Panel-building and modular protection assemblies