ABB S203MT-Z1.6UC MCB - 3P - Z Curve - 1.6A - 10kA

ABB S203MT-Z1.6UC MCB – 3P – Z Curve – 1.6A – 10kA

ABB S203MT-Z1.6UC miniature circuit breaker with 3 poles, 1.6 A rated current and Z curve characteristic for railway, traction, AC/DC and industrial circuit protection applications.

SKU: 2CDS273065R0258Alt SKU: S203MT-Z1.6UCMPN: 2CDS273065R0258
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List Price £577.89 ex VAT
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Manufacturer Lead Time Estimated Delivery 14 weeks
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Why Choose the ABB S203MT-Z1.6UC Miniature Circuit Breaker?

The ABB S203MT-Z1.6UC (Part Number 2CDS273065R0258) is a specialist 3 pole miniature circuit breaker (MCB) from the ABB S200MTUC series. Designed for traction, railway and demanding industrial applications, it provides reliable overload and short circuit protection for low-current AC and DC electrical circuits.

Featuring a Z tripping characteristic, the S203MT-Z1.6UC is ideal for sensitive electrical circuits where rapid magnetic tripping is required at relatively low fault currents. It is particularly suitable for protecting electronic equipment, signalling circuits, instrumentation, automation systems and specialist control equipment.

With a 1.6 A rated current, 3 pole configuration and 10 kA short circuit capacity, this DIN rail mounted miniature circuit breaker delivers dependable protection for railway vehicles, rolling stock, industrial control panels and automation assemblies where compact, robust circuit protection is essential.

Key Advantages

  • Designed for traction, railway and industrial applications.
  • 1.6 A rated current for precise low-current protection.
  • Z curve characteristic for sensitive circuit protection.
  • 3 pole configuration with three protected poles.
  • Suitable for AC and DC applications.
  • Compact DIN rail mounted construction.

Key Features

  • ABB S200MTUC miniature circuit breaker.
  • 1.6 A rated current.
  • Z tripping characteristic.
  • 3 protected poles.
  • Rated operational voltage up to 440 V AC/DC.
  • 10 kA short circuit breaking capacity.
  • Thermal overload and magnetic short circuit protection.
  • Suitable for traction, railway and demanding industrial installations.

Reliable Protection for Sensitive Railway and Industrial Circuits

The ABB S203MT-Z1.6UC combines thermal overload protection with instantaneous magnetic short circuit protection to safeguard low-current electrical circuits. Its Z curve characteristic provides fast tripping at low fault current levels, making it suitable for sensitive electronics, instrumentation and control systems.

Designed for railway, traction and demanding industrial installations, the S200MTUC range offers robust circuit protection in compact modular format. Its AC/DC capability, DIN rail mounting and accessory compatibility make it a strong choice for OEMs, rolling stock manufacturers and industrial panel builders.

Typical Applications

  • Railway and rolling stock electrical systems.
  • Electronic equipment protection.
  • Signalling and control circuits.
  • Instrumentation systems.
  • Industrial automation panels.
  • AC and DC auxiliary circuits.
  • OEM machinery and transport equipment.

Technical Specifications

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Current 1.6 A
Phase Three Phase
Poles 3-pole
Device Type MCB
Trip Curve Z curve
Breaking Capacity 10 kA
Manufacturer ABB
Series S200MTUC
Model S203MT-Z1.6UC
Part Number 2CDS273065R0258
EAN 4013614447792
Product type Miniature Circuit Breaker (MCB)
Rated current 1.6 A
Poles 3
Protected poles 3
Trip characteristic Z Curve
Rated operational voltage Up to 440 V AC/DC
Frequency 50 / 60 Hz and DC
Rated short circuit capacity 10 kA
Current limiting class 3
Rated insulation voltage 440 V
Rated impulse withstand voltage 4 kV
Protection rating IP20
Mounting type DIN rail
Terminal type Screw terminals
Mechanical endurance 20,000 operating cycles
Dimensions (H × W × D) approx. 88 × 52.5 × 69 mm
Standards IEC/EN 60947-2, IEC/EN 60898-1, UL1077, CSA 22.2 No. 235
HS Code 85362010
Country of Manufacture Germany

Frequently Asked Questions

What is the ABB S203MT-Z1.6UC used for?

The ABB S203MT-Z1.6UC protects low-current AC and DC circuits against overloads and short circuits in railway, traction and industrial applications.

What does the Z curve characteristic mean?

A Z curve MCB provides sensitive magnetic tripping and is designed for circuits where fast disconnection is required at relatively low fault currents.

How many poles does this circuit breaker have?

The S203MT-Z1.6UC is a 3 pole miniature circuit breaker with three protected poles.

What is the rated current?

The ABB S203MT-Z1.6UC has a rated current of 1.6 A.

Is this product suitable for railway applications?

Yes. The ABB S200MTUC range is designed for traction and railway applications while also being suitable for demanding industrial installations.

Trusted by Railway and Industrial Engineers Worldwide

ABB S200MTUC miniature circuit breakers are trusted by railway manufacturers, transport engineers and industrial panel builders for reliable circuit protection, compact installation and dependable long-term performance in demanding applications.