ABB S203-K16 MCB - S200 - 3P - K - 16A

ABB S203-K16 MCB – S200 – 3P – K – 16A

ABB S203-K16 three-pole 16 A K curve miniature circuit breaker from the System pro M Compact S200 range, providing overload and short circuit protection for industrial and commercial electrical installations.

SKU: S203-K16Alt SKU: S203-K16MPN: 2CDS253001R0467
Price
List Price £111.61 ex VAT
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£61.39 45% OFF
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Manufacturer Lead Time Estimated Delivery 4 - 5 Days
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Manufacturer Lead Time

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Why Choose the ABB S203-K16 Miniature Circuit Breaker?

The ABB S203-K16 is a high performance three-pole miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200 series. Designed to provide dependable protection against overloads and short circuits, it is suitable for commercial, industrial and OEM electrical installations where reliable circuit protection is essential.

Featuring a K tripping characteristic, the S203-K16 is ideal for circuits with higher inrush currents, including motors, transformers and inductive loads. Its advanced thermal and magnetic trip mechanisms ensure rapid fault clearance while reducing nuisance tripping during normal operation.

With a 16 A rated current, three protected poles and a 6 kA breaking capacity in accordance with IEC/EN 60898-1, this compact DIN rail mounted circuit breaker delivers long service life, straightforward installation and compatibility with ABB's range of auxiliary accessories.

Key Advantages

  • High quality three-pole miniature circuit breaker for industrial and commercial applications.
  • 16 A rated current with K tripping characteristic for inductive loads.
  • 6 kA breaking capacity for dependable circuit protection.
  • Protects against overload and short circuit faults.
  • Compatible with ABB System pro M Compact accessories.
  • Compact DIN rail mounting for quick installation.

Key Features

  • ABB System pro M Compact S200 series.
  • 16 A rated current.
  • K tripping characteristic.
  • Three-pole (3P) design.
  • 6 kA rated short circuit breaking capacity.
  • Current limiting construction for improved protection.
  • Thermal overload and magnetic short circuit protection.
  • DIN rail mounting with secure screw terminals.

Reliable Protection for Electrical Installations

The ABB S203-K16 protects electrical circuits by automatically disconnecting the supply during overload or short circuit conditions. Its K characteristic makes it particularly suitable for equipment with elevated starting currents, providing dependable protection without unnecessary interruptions during normal operation.

Manufactured to meet recognised international standards, the S203-K16 offers consistent performance, long mechanical life and compatibility with ABB auxiliary contacts and accessories, making it an excellent choice for modern control panels and distribution systems.

Typical Applications

  • Motor protection circuits.
  • Industrial control panels.
  • Machine building and OEM equipment.
  • Distribution boards.
  • Transformers and inductive loads.
  • Commercial and industrial electrical installations.

Technical Specifications

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Phase Three Phase
Current 16 A
Poles 3-pole
Device Type MCB
Trip Curve K curve
Breaking Capacity 6 kA
Manufacturer ABB
Series System pro M Compact S200
Model S203-K16
Product ID 2CDS253001R0467
Product type Miniature circuit breaker (MCB)
Rated current 16 A
Number of poles 3P
Tripping characteristic K
Rated operational voltage Up to 440 V AC
Rated frequency 50 / 60 Hz
Rated short circuit breaking capacity 6 kA
Protection rating IP20
Mounting type DIN rail
Dimensions (H × W × D) 88 × 52.5 × 69 mm
Weight Approx. 0.345 kg
HS Code 85362010
Country of Manufacture Germany

Frequently Asked Questions

What is the ABB S203-K16 used for?

The S203-K16 protects electrical circuits against overloads and short circuits in industrial, commercial and OEM applications.

What does the K tripping characteristic mean?

The K curve is designed for circuits with higher inrush currents, making it suitable for motors, transformers and other inductive loads.

How many poles does this circuit breaker have?

The ABB S203-K16 is a three-pole (3P) miniature circuit breaker.

What is the rated current?

This miniature circuit breaker has a 16 A rated current.

How is the S203-K16 mounted?

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

Trusted by Electrical Professionals Worldwide

ABB System pro M Compact miniature circuit breakers are trusted by electrical contractors, panel builders and industrial engineers for dependable circuit protection, outstanding reliability and long service life.