ABB S203P-C0.5 MCB - S200P - 3P - C - 0.5A

ABB S203P-C0.5 MCB – S200P – 3P – C – 0.5A

ABB S203P-C0.5 three-pole miniature circuit breaker with 0.5 A rated current and C curve tripping characteristic for reliable overload and short-circuit protection in industrial and commercial installations.

SKU: S203P-C0.5Alt SKU: S203P-C0.5MPN: 2CDS283001R0984

Why Choose the ABB S203P-C0.5 Miniature Circuit Breaker?

The ABB S203P-C0.5 is a premium three-pole miniature circuit breaker from the ABB System pro M compact S200P series, designed to provide dependable overload and short-circuit protection for commercial and industrial electrical installations. Featuring a 0.5 A rated current and a C-curve tripping characteristic, it is ideal for low-current circuits with moderate inrush currents, including control systems, instrumentation and automation equipment.

The S200P range incorporates advanced current-limiting technology that helps minimise fault energy while protecting downstream equipment. Separate thermal and electromechanical tripping mechanisms provide reliable overload and short-circuit protection, ensuring long service life and dependable performance in demanding applications.

With its three-pole configuration, compact modular construction and DIN rail mounting, the S203P-C0.5 is well suited for industrial control panels, machinery and electrical distribution systems requiring accurate low-current circuit protection.

Key Advantages

  • High-quality ABB three-pole miniature circuit breaker.
  • 0.5 A rated current for specialist low-current applications.
  • C-curve characteristic for circuits with moderate inrush currents.
  • S200P series with current-limiting technology.
  • Quick DIN rail installation for electrical panels.
  • Suitable for industrial, commercial and OEM control systems.

Key Features

  • ABB System pro M compact S200P series.
  • Three-pole miniature circuit breaker.
  • 0.5 A rated current.
  • C tripping characteristic.
  • Current-limiting circuit breaker technology.
  • Thermal overload and electromagnetic short-circuit protection.
  • Compact DIN rail mounted construction.
  • Compatible with ABB S200P auxiliary contacts and accessories.

Reliable Low-Current Circuit Protection

The ABB S203P-C0.5 automatically disconnects electrical circuits during overload or short-circuit conditions, helping protect sensitive equipment, wiring and electrical installations. Its C-curve characteristic makes it suitable for circuits with moderate starting currents, including control systems and general industrial applications.

Designed to comply with recognised international standards including IEC/EN 60898-1, IEC/EN 60947-2, UL 1077 and CSA 22.2 No. 235, the S200P series delivers dependable protection across industrial automation, OEM machinery and commercial electrical installations.

Typical Applications

  • Industrial control panels.
  • PLC and automation systems.
  • Instrumentation circuits.
  • Control power distribution.
  • OEM machinery.
  • Low-current three-phase electrical systems.

Technical Specifications

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Certification UL 1077
Current 0.5 A
Phase Three Phase
Poles 3-pole
Device Type MCB
Trip Curve C curve
Breaking Capacity 25 kA
Manufacturer ABB
Series System pro M compact S200P
Model S203P-C0.5
Product ID 2CDS283001R0984
EAN 4016779590518
Product type Miniature circuit breaker
Number of poles 3P
Rated current 0.5 A
Tripping characteristic C curve
Breaking capacity Up to 25 kA at 230 / 400 V AC
Rated operational voltage 400 V AC
Maximum operational voltage 440 V AC
Frequency 50 / 60 Hz
Protection rating IP20 (IP40 when installed in an enclosure)
Mounting type DIN rail
Terminal type Screw terminals
Dimensions (H × W × D) 88 × 52.5 × 69 mm
Weight Approx. 0.42 kg

Frequently Asked Questions

What is the ABB S203P-C0.5 used for?

The ABB S203P-C0.5 protects low-current three-phase electrical circuits against overloads and short circuits in commercial and industrial installations.

What current rating does the S203P-C0.5 have?

The circuit breaker has a rated current of 0.5 A.

What does the C curve indicate?

The C-curve characteristic is intended for circuits with moderate inrush currents, making it suitable for control equipment, instrumentation and general industrial applications.

How many poles does the S203P-C0.5 have?

The ABB S203P-C0.5 is a three-pole miniature circuit breaker designed for three-phase systems.

How is this miniature circuit breaker installed?

The breaker is designed for installation onto a standard 35 mm DIN rail inside electrical distribution boards and control panels.

Trusted by Electrical Professionals Worldwide

ABB System pro M compact S200P miniature circuit breakers are trusted by panel builders, OEMs and industrial engineers for dependable low voltage circuit protection across demanding commercial and industrial applications.