ABB S201MT-Z0.5NAH01 MCB - S200M - 1P+N - Z - 0.5A

ABB S201MT-Z0.5NAH01 MCB – S200M – 1P+N – Z – 0.5A

ABB S201MT-Z0.5NAH01 miniature circuit breaker featuring a 0.5 A rating, Z trip characteristic, 1P plus switched neutral configuration and 10 kA breaking capacity for industrial and railway applications.

SKU: S201MT-Z0.5NAH01Alt SKU: S201MT-Z0.5NAH01MPN: 2CDO271106R0158
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Why Choose the ABB S201MT-Z0.5NAH01 Miniature Circuit Breaker?

The ABB S201MT-Z0.5NAH01 is a premium miniature circuit breaker (MCB) from the ABB S200MT series, engineered to provide dependable overload and short circuit protection in demanding industrial, railway and traction applications. Featuring a Z characteristic trip curve, this device is ideal for protecting highly sensitive electronic equipment and circuits where rapid fault disconnection is essential.

This model incorporates a 1P + switched neutral configuration, protecting the live conductor while switching the neutral for improved circuit isolation. With a 0.5 A rated current and a 10 kA breaking capacity, it delivers excellent protection for low current control circuits and sensitive electrical equipment.

Designed for installation on standard DIN rails, the S201MT-Z0.5NAH01 offers compact dimensions, robust construction and full compatibility with ABB System pro M Compact accessories, making it an excellent choice for OEMs, panel builders and electrical engineers.

Key Advantages

  • High quality ABB S200MT miniature circuit breaker.
  • 0.5 A rated current for sensitive electrical circuits.
  • Z characteristic provides rapid tripping for electronic equipment.
  • 1P + switched neutral configuration.
  • 10 kA breaking capacity for reliable fault protection.
  • Compact DIN rail mounting.
  • Compatible with ABB System pro M Compact accessories.

Key Features

  • ABB S200MT series.
  • Model: S201MT-Z0.5NAH01.
  • 0.5 A rated current.
  • Z trip characteristic.
  • 1 protected pole + switched neutral.
  • 10 kA rated breaking capacity.
  • Current limiting class 3.
  • 50 / 60 Hz operation.
  • Screw terminal connections.
  • Designed for industrial, traction and railway installations.

Reliable Protection for Sensitive Electrical Equipment

The ABB S201MT-Z0.5NAH01 automatically disconnects circuits when overload or short circuit conditions occur, helping protect valuable equipment from electrical damage while improving system reliability.

Its Z characteristic provides fast magnetic tripping at relatively low fault currents, making it particularly suitable for protecting PLCs, electronic control systems, instrumentation, signalling equipment and other sensitive loads.

Typical Applications

  • Industrial automation systems.
  • PLC and control panels.
  • Railway and traction equipment.
  • Electronic control circuits.
  • Instrumentation systems.
  • Machine building and OEM equipment.
  • Commercial and industrial distribution boards.

Technical Specifications

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Phase Single Phase
Poles 1-pole + N
Current 0.5 A
Device Type MCB
Trip Curve Z curve
Breaking Capacity 10 kA
Manufacturer ABB
Series S200MT
Model S201MT-Z0.5NAH01
Product type Miniature circuit breaker (MCB)
Rated current 0.5 A
Trip characteristic Z
Number of poles 1P + switched neutral
Protected poles 1
Rated voltage 230 V AC
Rated insulation voltage 440 V
Rated impulse withstand voltage 4 kV
Rated short circuit capacity 10 kA
Ultimate breaking capacity (Icu) 15 kA
Frequency 50 / 60 Hz
Protection rating IP20
Mounting type 35 mm DIN rail
Dimensions (H × W × D) 88 × 35 × 69 mm
Approximate weight 0.25 kg

Frequently Asked Questions

What is the ABB S201MT-Z0.5NAH01 used for?

It protects sensitive electrical and electronic circuits against overloads and short circuits in industrial, railway and automation applications.

What is the rated current of this breaker?

The ABB S201MT-Z0.5NAH01 has a 0.5 A rated current.

What does the Z characteristic provide?

The Z characteristic provides rapid tripping for highly sensitive electronic equipment and control circuits requiring fast fault protection.

What does 1P + switched neutral mean?

It means the breaker protects one live conductor while simultaneously switching the neutral conductor to improve circuit isolation.

How is the ABB S201MT-Z0.5NAH01 installed?

It is designed for installation on a standard 35 mm DIN rail using screw terminals.

Trusted by Electrical Professionals Worldwide

ABB S200MT miniature circuit breakers are trusted by railway manufacturers, OEMs, panel builders and industrial engineers for reliable protection, excellent build quality and long service life in demanding electrical installations.