ABB S203M-K6 MCB - S200M - 3P - K - 6A

ABB S203M-K6 MCB – S200M – 3P – K – 6A

ABB S203M-K6 3-pole 6 A K curve miniature circuit breaker from the System pro M compact S200M range for overload and short circuit protection in industrial and commercial electrical installations.

SKU: S203M-K6Alt SKU: S203M-K6MPN: 2CDS273001R0377
Price
List Price £140.05 ex VAT
Your Price (ex VAT) Save 45%
£77.03 45% OFF
You save £63.02 per unit
Manufacturer Lead Time Estimated Delivery 5 weeks
Get the best trade prices Trade exclusive

Create an online account to unlock exclusive pricing, special offers and more.

Create an online account Quick & easy setup
SUBTOTAL (EX VAT) £77.03
Trade pricing is personalised to your account

Manufacturer Lead Time

£77.03

Why Choose the ABB S203M-K6 Miniature Circuit Breaker?

The ABB S203M-K6 is a premium 3-pole miniature circuit breaker (MCB) from the ABB System pro M compact S200M series. Designed for dependable overload and short circuit protection, it provides reliable performance in industrial, commercial and OEM electrical installations where circuits experience higher inrush currents.

Featuring a K tripping characteristic, the S203M-K6 is ideal for protecting transformers, motors, control circuits and other inductive loads. ABB's current limiting technology helps minimise fault energy, reducing stress on connected equipment while improving overall installation reliability.

With a 6 A rated current, 3-pole configuration and 10 kA breaking capacity, the ABB S203M-K6 delivers dependable protection for three-phase electrical systems. It complies with both IEC/EN 60898-1 and IEC/EN 60947-2, making it suitable for residential, commercial and industrial applications.

Key Advantages

  • Reliable 3-pole miniature circuit breaker for professional installations.
  • 6 A rated current with K tripping characteristic.
  • Current limiting technology helps minimise fault energy.
  • 10 kA breaking capacity for dependable short circuit protection.
  • Suitable for motors, transformers and inductive loads.
  • Compatible with ABB auxiliary contacts and modular accessories.

Key Features

  • ABB System pro M compact S200M series.
  • 3-pole (3P) miniature circuit breaker.
  • 6 A rated current.
  • K curve tripping characteristic.
  • 10 kA rated breaking capacity.
  • Thermal overload and magnetic short circuit protection.
  • Current limiting class 3 performance.
  • DIN rail mounting with contact position indication.

Reliable Circuit Protection for Industrial Installations

The ABB S203M-K6 combines thermal overload protection with rapid magnetic short circuit protection to safeguard electrical circuits and connected equipment. Its current limiting design reduces thermal and mechanical stress during fault conditions, improving overall system reliability.

The K curve characteristic is specifically intended for applications with elevated inrush currents, making this miniature circuit breaker ideal for motors, transformers, industrial control systems and machine building applications.

Typical Applications

  • Industrial control panels.
  • Machine building and OEM equipment.
  • Transformer protection.
  • Motor control circuits.
  • Commercial electrical installations.
  • Industrial power distribution systems.

Technical Specifications

Tick the specs you need, then view products that match.

Certification UL 1077
Phase Three Phase
Current 6 A
Poles 3-pole
Device Type MCB
Trip Curve K curve
Breaking Capacity 10 kA
Manufacturer ABB
Series System pro M compact S200M
Model S203M-K6
Manufacturer Part Number 2CDS273001R0377
EAN 4016779601177
Product type Miniature Circuit Breaker (MCB)
Rated current 6 A
Number of poles 3P
Tripping characteristic K
Rated operational voltage Up to 440 V AC
Frequency 50 / 60 Hz
Breaking capacity 10 kA
Standards IEC/EN 60898-1, IEC/EN 60947-2, UL 1077
Protection rating IP20
Mounting type DIN rail
Terminal type Failsafe bi-directional cylinder-lift terminal
Mechanical endurance 20,000 operating cycles
Dimensions (H × W × D) approx. 88 × 52.5 × 69 mm
Weight approx. 0.375 kg
HS Code 85362010
Country of Manufacture Germany

Frequently Asked Questions

What is the ABB S203M-K6 used for?

The ABB S203M-K6 protects electrical circuits against overloads and short circuits in industrial, commercial and OEM installations.

What is the rated current of the S203M-K6?

This miniature circuit breaker has a 6 A rated current.

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 inductive loads.

How many poles does this circuit breaker have?

The ABB S203M-K6 is a 3-pole miniature circuit breaker suitable for protecting three-phase electrical systems.

Which standards does the S203M-K6 comply with?

The circuit breaker complies with IEC/EN 60898-1, IEC/EN 60947-2 and UL 1077, making it suitable for residential, commercial and industrial applications.

Trusted by Electrical Professionals Worldwide

ABB System pro M compact S200M miniature circuit breakers are trusted by panel builders, OEM manufacturers and electrical engineers for reliable protection, long service life and proven industrial performance.