ABB S203MT-Z16H01 MCB - S200M - 3P - Z - 16A

ABB S203MT-Z16H01 MCB – S200M – 3P – Z – 16A

ABB S203MT-Z16H01 three pole 16A Z characteristic miniature circuit breaker designed for railway, traction and industrial electrical protection with 10 kA short circuit capacity.

SKU: S203MT-Z16H01Alt SKU: S203MT-Z16H01MPN: 2CDO273106R0468
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Why Choose the ABB S203MT-Z16H01 Miniature Circuit Breaker?

The ABB S203MT-Z16H01 is a premium 3-pole miniature circuit breaker (MCB) designed to provide dependable overload and short circuit protection in railway, traction and industrial electrical systems. As part of the proven ABB S200MT miniature circuit breaker series, it is engineered specifically for demanding applications where reliability, safety and long service life are essential.

Featuring a Z characteristic tripping curve, the S203MT-Z16H01 is ideal for protecting sensitive electronic equipment, signalling systems, instrumentation and control circuits. Its rapid magnetic tripping characteristic enables fast disconnection at relatively low fault current levels, helping to minimise the risk of damage to critical electrical equipment.

With a 16 A rated current, 3-pole configuration and 10 kA rated short circuit capacity, the ABB S203MT-Z16H01 is ideally suited to railway rolling stock, industrial control panels, automation systems and OEM machinery requiring dependable three-phase circuit protection.

Key Advantages

  • Designed specifically for railway, traction and industrial applications.
  • 3-pole miniature circuit breaker for three-phase electrical protection.
  • 16 A rated current for industrial distribution and control circuits.
  • Z characteristic tripping curve provides rapid protection for sensitive electrical equipment.
  • 10 kA short circuit breaking capacity.
  • Compact DIN rail mounting for quick installation and maintenance.

Key Features

  • ABB S200MT series.
  • Model: S203MT-Z16H01.
  • Alternative model: S203MT-Z16.
  • Rated current: 16 A.
  • Z characteristic tripping curve.
  • 3 protected poles (3P).
  • 10 kA rated short circuit capacity.
  • Thermal overload and electromagnetic short circuit protection.
  • Compatible with ABB System pro M compact accessories.

Fast Acting Protection for Sensitive Electrical Systems

The ABB S203MT-Z16H01 combines thermal overload protection with rapid electromagnetic short circuit protection to safeguard electrical installations from damaging fault conditions. The Z characteristic enables fast disconnection where sensitive electronic equipment requires enhanced protection against relatively low fault currents.

Its compact modular construction allows simple installation on standard DIN rails whilst maintaining compatibility with ABB accessories, making it an excellent solution for railway electrical systems, industrial automation and modern control panels.

Typical Applications

  • Railway and rolling stock electrical systems.
  • Industrial control panels.
  • Electronic control equipment.
  • Instrumentation and signalling circuits.
  • OEM machinery.
  • Automation and process control systems.

Technical Specifications

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Current 16 A
Phase Three Phase
Poles 3-pole
Device Type MCB
Trip Curve Z curve
Breaking Capacity 10 kA
Manufacturer ABB
Series S200MT
Model S203MT-Z16H01
Alternative model S203MT-Z16
Product ID 2CDS273006R0468
EAN 4016779770262
Product type Miniature Circuit Breaker (MCB)
Rated current 16 A
Tripping characteristic Z
Number of poles 3
Rated operational voltage Up to 400 V AC
Rated insulation voltage 440 V
Rated impulse withstand voltage 4 kV
Frequency 50 / 60 Hz
Rated short circuit capacity 10 kA
Current limiting class 3
Protection rating IP20
Mounting type DIN rail
Dimensions (H × W × D) approx. 88 × 52.5 × 69 mm
Weight approx. 0.375 kg

Frequently Asked Questions

What is the ABB S203MT-Z16H01 used for?

It protects three-phase electrical circuits against overloads and short circuits in railway, industrial and automation applications.

What is the rated current of this circuit breaker?

The ABB S203MT-Z16H01 has a 16 A rated current.

What does the Z tripping characteristic mean?

The Z characteristic provides rapid magnetic tripping at relatively low fault current levels, making it suitable for protecting sensitive electronic equipment and control circuits.

How many poles does this MCB have?

This model features a 3-pole (3P) configuration for three-phase electrical protection.

How is the ABB S203MT-Z16H01 installed?

The circuit breaker is designed for installation on a standard DIN rail inside electrical distribution boards and industrial control panels.

Trusted by Railway and Industrial Engineers Worldwide

ABB S200MT miniature circuit breakers are trusted by OEMs, panel builders and railway engineers for delivering dependable electrical protection in demanding transportation and industrial environments.