ABB S201MT-Z40NAH01 MCB - S200M - 1P+N - Z - 40A

ABB S201MT-Z40NAH01 MCB – S200M – 1P+N – Z – 40A

ABB S201MT-Z40NAH01 single pole 40 A miniature circuit breaker with Z characteristic, 10 kA breaking capacity and integrated H01 auxiliary contact for traction, railway and industrial electrical applications.

SKU: S201MT-Z40NAH01Alt SKU: S201MT-Z40NAH01MPN: 2CDO271106R0558
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Why Choose the ABB S201MT-Z40NAH01 Miniature Circuit Breaker?

The ABB S201MT-Z40NAH01 is a compact and dependable miniature circuit breaker (MCB) designed to provide reliable overload and short circuit protection in demanding electrical installations. As part of the specialist ABB S200MT series, it is suitable for traction, rolling stock and railway applications where robust protection, compact panel integration and long service life are required.

This model features a Z characteristic tripping curve, providing fast magnetic response for circuits where rapid disconnection under short circuit conditions is important. It is commonly used for sensitive control circuits, signalling systems, electronic equipment and monitored electrical installations.

With a rated current of 40 A, single pole configuration, 10 kA breaking capacity and integrated H01 auxiliary contact, the S201MT-Z40NAH01 delivers both circuit protection and remote status indication for railway, traction and industrial control systems.

Key Advantages

  • Compact miniature circuit breaker for railway and traction applications.
  • 40 A rated current for protected electrical circuits.
  • Z characteristic tripping curve for rapid short circuit response.
  • 10 kA short circuit breaking capacity.
  • Integrated H01 auxiliary contact for remote status indication.
  • DIN rail mounting for quick installation in control panels and distribution boards.

Key Features

  • ABB S200MT miniature circuit breaker series.
  • 40 A rated current.
  • Z characteristic thermal magnetic trip curve.
  • Single pole configuration.
  • 10 kA breaking capacity.
  • Integrated H01 auxiliary contact.
  • Designed for traction, railway and industrial electrical systems.
  • DIN rail mounting for panel installation.

Reliable Protection for Traction and Control Circuits

The ABB S200MT range is engineered for demanding transport and industrial environments where circuit protection devices must deliver consistent performance under electrical and mechanical stress. The Z curve characteristic provides rapid magnetic tripping, helping protect sensitive circuits and equipment from damaging fault currents.

The integrated auxiliary contact enables remote indication of breaker status, supporting modern control, monitoring and signalling systems used in railway vehicles, traction equipment and industrial automation panels.

Typical Applications

  • Railway rolling stock electrical systems.
  • Traction and transport control panels.
  • Signalling and monitoring circuits.
  • Industrial automation equipment.
  • Control and auxiliary circuits.
  • OEM electrical distribution assemblies.

Technical Specifications

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Phase Single Phase
Poles 1-pole + N
Current 40 A
Device Type MCB
Trip Curve Z curve
Breaking Capacity 10 kA
Manufacturer ABB
Series S200MT
Model S201MT-Z40NAH01
Product ID 2CDO271106R0558
EAN 4016779768313
Product type Miniature circuit breaker
Rated current 40 A
Tripping characteristic Z
Number of poles 1
Breaking capacity 10 kA
Auxiliary contact H01 integrated
Mounting type DIN rail
Standards IEC/EN 60898-1, IEC/EN 60947-2
Application Railway, traction and industrial electrical installations

Frequently Asked Questions

What is the ABB S201MT-Z40NAH01 used for?

It is used to provide overload and short circuit protection in railway, traction, industrial control and electrical distribution circuits.

What is the rated current of this circuit breaker?

The ABB S201MT-Z40NAH01 has a rated current of 40 A.

What does the Z tripping characteristic mean?

The Z curve provides fast magnetic tripping, making it suitable for sensitive circuits where rapid short circuit protection is required.

Does the S201MT-Z40NAH01 include an auxiliary contact?

Yes. This model includes an integrated H01 auxiliary contact for remote status indication and monitoring.

Where is this MCB typically installed?

It is typically installed on a DIN rail inside railway electrical cabinets, industrial control panels and distribution boards.

Trusted by Railway and Industrial Engineers Worldwide

ABB S200MT miniature circuit breakers are trusted by railway engineers, OEM machine builders and industrial panel manufacturers for reliable circuit protection, compact installation and dependable performance in demanding applications.