ABB S203M-C4 MCB - S200M - 3P - C - 4A

ABB S203M-C4 MCB – S200M – 3P – C – 4A

ABB S203M-C4 3-pole 4A C curve miniature circuit breaker from the System pro M compact S200M series, designed for overload and short-circuit protection in commercial, industrial and residential electrical installations.

SKU: S203MC4Alt SKU: S203M-C4MPN: 2CDS273001R0044
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£60.49

Why Choose the ABB S203M-C4 Miniature Circuit Breaker?

The ABB S203M-C4 is a compact and reliable 3-pole miniature circuit breaker (MCB) from the ABB System pro M compact S200M series. Designed for dependable protection against overloads and short circuits, it is suitable for residential, commercial and industrial electrical installations where high quality circuit protection is required.

This miniature circuit breaker features a C tripping characteristic, making it suitable for circuits with moderate inrush currents such as small motors, control transformers, lighting groups and general distribution circuits. The current limiting design helps reduce fault energy, improving installation safety and helping protect connected equipment.

With a rated current of 4 A, 3-pole configuration and 10 kA short-circuit breaking capacity, the ABB S203M-C4 provides robust performance in a compact DIN rail mounted format. It is compatible with ABB System pro M accessories, allowing flexible use in distribution boards and control panels.

Key Advantages

  • High quality 3-pole miniature circuit breaker for circuit protection.
  • 4 A rated current suitable for low current electrical circuits.
  • C curve tripping characteristic for moderate inrush current applications.
  • 10 kA short-circuit breaking capacity for dependable protection.
  • Thermal overload and electromechanical short-circuit tripping mechanisms.
  • Compact DIN rail mounting for distribution boards and control panels.

Key Features

  • ABB System pro M compact S200M series.
  • 3-pole miniature circuit breaker.
  • 4 A rated current.
  • C tripping characteristic.
  • 10 kA rated breaking capacity.
  • Current limiting design for enhanced circuit protection.
  • Delayed thermal tripping for overload protection.
  • Electromechanical tripping for short-circuit protection.

Reliable Protection for Electrical Installations

Miniature circuit breakers such as the ABB S203M-C4 automatically disconnect electrical circuits when overload or short-circuit conditions occur. This helps protect cables, equipment and installations from damage while improving overall electrical safety.

The S200M series is widely used by electrical contractors, panel builders and industrial engineers due to its compact design, high breaking capacity and compatibility with ABB System pro M accessories. Its DIN rail format makes it straightforward to install in modern electrical distribution systems.

Typical Applications

  • Commercial distribution boards.
  • Industrial control panels.
  • Three-phase auxiliary circuits.
  • Lighting and power distribution circuits.
  • Small motor and transformer protection.
  • OEM machinery and panel building.

Technical Specifications

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Phase Three Phase
Current 4 A
Poles 3-pole
Device Type MCB
Trip Curve C curve
Breaking Capacity 10 kA
Manufacturer ABB
Series System pro M compact S200M
Model S203M-C4
Product type Miniature circuit breaker (MCB)
Product ID 2CDS273001R0044
EAN 4016779550406
Rated current 4 A
Number of poles 3P
Tripping characteristic C
Rated operational voltage 230 / 400 V AC
Frequency 50 / 60 Hz
Rated short-circuit capacity 10 kA
Standards IEC/EN 60898-1, IEC/EN 60947-2
Protection rating IP20
Mounting type DIN rail
Dimensions (H × W × D) approx. 88 × 52.5 × 69 mm
HS Code 85362010
Country of Manufacture Germany

Frequently Asked Questions

What is the ABB S203M-C4 used for?

The ABB S203M-C4 is used to protect electrical circuits against overloads and short circuits in commercial, industrial and residential installations.

What is the current rating of the S203M-C4?

The S203M-C4 has a rated current of 4 A, making it suitable for low current electrical circuits and control applications.

What does the C curve rating mean?

A C curve miniature circuit breaker is designed for circuits with moderate inrush current, such as lighting, small motors, transformers and general distribution loads.

How many poles does the ABB S203M-C4 have?

The ABB S203M-C4 is a 3-pole miniature circuit breaker, suitable for three-phase circuit protection.

What is the breaking capacity of this MCB?

The ABB S203M-C4 has a rated short-circuit breaking capacity of 10 kA.

Trusted by Electrical Professionals Worldwide

ABB System pro M compact miniature circuit breakers are trusted by electrical contractors, panel builders and industrial engineers for reliable circuit protection, compact installation and long-term performance in demanding electrical systems.