ABB S202MT-K40H10 MCB - S200M - 2P - K - 40A

ABB S202MT-K40H10 MCB – S200M – 2P – K – 40A

ABB S202MT-K40H10 miniature circuit breaker from the S200MT railway series featuring 2-pole protection, K curve tripping characteristic, 40 A rating and 10 kA breaking capacity.

SKU: S202MT-K40H10Alt SKU: S202MT-K40H10MPN: 2CDV272006R0557
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Why Choose the ABB S202MT-K40H10 Miniature Circuit Breaker?

The ABB S202MT-K40H10 is a specialist miniature circuit breaker (MCB) from the ABB S200MT railway and traction series, designed to provide reliable overload and short-circuit protection in demanding rail, transport and industrial applications. Featuring a 2-pole configuration, K curve tripping characteristic and a 40 A rated current, it is suitable for circuits with higher inrush characteristics where dependable protection is essential.

The S200MT range is engineered for railway rolling stock, traction systems and transport infrastructure where vibration resistance, current-limiting performance and long service life are essential. It combines thermal overload protection with electromechanical short-circuit protection to help safeguard wiring, equipment and electrical control systems.

With its compact DIN rail mounting format and robust ABB construction, the S202MT-K40H10 is suitable for railway vehicles, industrial control panels and switchgear assemblies where dependable circuit protection and operational safety are critical.

Key Advantages

  • Reliable miniature circuit breaker for overload and short-circuit protection.
  • 2-pole configuration for simultaneous protection of two conductors.
  • 40 A rated current for power and auxiliary circuits.
  • K curve characteristic suitable for higher inrush current applications.
  • Designed for railway, traction and transport applications.
  • DIN rail mounting for fast installation in electrical panels.

Key Features

  • ABB S200MT miniature circuit breaker series.
  • 2-pole MCB configuration.
  • K curve tripping characteristic.
  • 40 A rated current.
  • Current-limiting design for enhanced circuit protection.
  • Thermal overload and electromechanical short-circuit protection.
  • Suitable for demanding railway and industrial environments.
  • Compact DIN rail mounting format.

Reliable Circuit Protection for Railway Applications

The ABB S202MT-K40H10 automatically disconnects electrical circuits during overload or short-circuit conditions, helping protect wiring, control devices and connected equipment from excessive current and potential damage.

Its K curve characteristic makes it suitable for circuits with elevated inrush currents, including transformers, motors, solenoids and selected railway control equipment. The S200MT series is designed to perform reliably in demanding transport and industrial environments.

Typical Applications

  • Railway rolling stock electrical systems.
  • Traction and transport control circuits.
  • Industrial control panels.
  • Transformer and inductive load protection.
  • Machine building and automation systems.
  • Electrical switchgear assemblies.

Technical Specifications

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Current 40 A
Poles 2-pole
Device Type MCB
Trip Curve K curve
Breaking Capacity 10 kA
Manufacturer ABB
Series S200MT
Model S202MT-K40H10
Product type Miniature circuit breaker
Manufacturer Part Number 2CDV272006R0557
Product ID 2CDS272006R0557
Number of poles 2P
Tripping characteristic K curve
Rated current 40 A
Rated operational voltage 400 V AC
Rated insulation voltage 440 V
Rated frequency 50 / 60 Hz
Breaking capacity 10 kA
Protection rating IP20
Mounting type DIN rail mounting

Frequently Asked Questions

What is the ABB S202MT-K40H10 used for?

The ABB S202MT-K40H10 protects electrical circuits against overloads and short circuits in railway, traction, transport and industrial applications.

What current rating does the S202MT-K40H10 have?

The breaker has a rated current of 40 A.

What does the K curve characteristic mean?

K curve breakers are designed for circuits with relatively high inrush currents, making them suitable for motors, transformers, solenoids and other inductive loads.

How many poles does the ABB S202MT-K40H10 have?

The S202MT-K40H10 is a 2-pole miniature circuit breaker.

Where is this breaker typically installed?

It is designed for DIN rail installation inside railway vehicles, transport systems, industrial switchgear and electrical control panels.

Trusted by Railway and Industrial Engineers Worldwide

ABB S200MT miniature circuit breakers are trusted worldwide for reliable circuit protection in railway vehicles, traction systems, transport infrastructure and demanding industrial applications.