ABB S204MT-B4 MCB - 4P - B Curve - 4A - 10kA

ABB S204MT-B4 MCB – 4P – B Curve – 4A – 10kA

ABB S204MT-B4 miniature circuit breaker, a four-pole 4 A B-characteristic circuit protection device with 10 kA breaking capacity for AC applications in traction and railway electrical systems.

SKU: 2CDS274445R0045Alt SKU: S204MTB4MPN: 2CDS274445R0045
Price
List Price £227.53 ex VAT
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Manufacturer Lead Time

£227.53

Why Choose the ABB S204MT-B4 Miniature Circuit Breaker?

The ABB S204MT-B4 is a compact and reliable miniature circuit breaker (MCB) designed to provide dependable overcurrent and short-circuit protection for electrical installations, including traction and railway applications. As part of the ABB System pro M compact S200MT series, it is designed for reliable circuit protection in demanding electrical distribution and control systems.

This circuit breaker features a four-pole configuration and a B tripping characteristic, making it suitable for circuit protection applications with relatively low inrush current requirements. The AC supply configuration is intended for compatible AC electrical systems, providing dependable protection in railway, traction and industrial installations.

With a rated current of 4 A and a rated breaking capacity of 10 kA, the S204MT-B4 provides effective protection for low-current distribution and control circuits. Its modular construction and DIN-rail mounting support straightforward installation in compatible distribution boards and electrical control panels.

Key Advantages

  • Compact miniature circuit breaker designed for traction and railway applications.
  • 4 A rated current for low-current circuit protection.
  • Four-pole configuration for multi-conductor circuit protection.
  • B tripping characteristic for circuits with relatively low inrush current requirements.
  • 10 kA rated breaking capacity for effective short-circuit protection.
  • Designed for AC electrical applications.
  • DIN-rail mounting supports efficient installation in electrical panels.

Key Features

  • ABB System pro M compact S200MT series.
  • 4 A rated current.
  • B tripping characteristic.
  • 10 kA rated breaking capacity.
  • Four-pole miniature circuit breaker.
  • Designed for AC electrical applications.
  • Thermal-magnetic overcurrent and short-circuit protection.
  • Designed for traction, railway and industrial electrical applications.
  • DIN-rail mounting for distribution boards and control panels.

Reliable Circuit Protection for Railway and Industrial Systems

Miniature circuit breakers protect electrical circuits by automatically interrupting the supply when excessive current or a short circuit is detected. The ABB S204MT-B4 combines thermal and magnetic protection with a B tripping characteristic to help protect connected equipment and electrical wiring against overcurrent conditions.

The S200MT series is designed for traction and railway applications where dependable electrical protection is required. Its four-pole configuration and AC supply capability support integration into compatible electrical systems, while the modular construction simplifies installation on DIN rails within distribution boards and control panels.

Typical Applications

  • Railway electrical installations and traction-related systems.
  • Railway control panels and auxiliary AC circuits.
  • Industrial control panels and electrical distribution boards.
  • Low-current AC control circuits with relatively low inrush current requirements.
  • Industrial machinery and automation equipment.
  • Electrical systems requiring four-pole circuit protection.

Technical Specifications

Part number 2CDS274445R0045
Product type Miniature circuit breaker
Rated current 4 A
Tripping characteristic B
Number of poles 4
Supply type AC
Mounting type DIN-rail mounting
Application Traction and railway electrical systems
Current 4 A
Poles 4-pole
Phase Three Phase
Device Type MCB
Trip Curve B curve
Breaking Capacity 10 kA
Manufacturer ABB
Series System pro M compact S200MT (traction)
Model S204MT-B4
Order code 2CDS274445R0045
Rated breaking capacity 10 kA
Supply AC

Frequently Asked Questions

What is the ABB S204MT-B4 used for?

The S204MT-B4 is a four-pole miniature circuit breaker designed to provide overcurrent and short-circuit protection in compatible AC railway, traction and industrial electrical systems.

What is the rated current of the S204MT-B4?

The S204MT-B4 has a rated current of 4 A, making it suitable for low-current electrical and control circuits.

What tripping characteristic does the S204MT-B4 have?

This circuit breaker features a B tripping characteristic, suitable for circuit protection applications with relatively low inrush current requirements.

What is the breaking capacity of the S204MT-B4?

The S204MT-B4 has a rated breaking capacity of 10 kA.

Is the S204MT-B4 suitable for AC applications?

Yes. The S204MT-B4 is specified for AC supply and is intended for compatible AC electrical installations, subject to the applicable voltage ratings and installation requirements.

Trusted for Railway and Industrial Circuit Protection

ABB System pro M compact S200MT miniature circuit breakers are designed for electrical protection in traction, railway and industrial applications, providing dependable overcurrent and short-circuit protection for compatible electrical installations.

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