ABB S204MT-K4 MCB - 4P - K Curve - 4A - 10kA

ABB S204MT-K4 MCB – 4P – K Curve – 4A – 10kA

ABB S204MT-K4 miniature circuit breaker, a 4-pole 4 A K-characteristic device with 10 kA breaking capacity for AC traction and railway applications.

SKU: 2CDS274445R0337Alt SKU: S204MTK4MPN: 2CDS274445R0337
Price
List Price £307.16 ex VAT
Your Price (ex VAT) Save 25%
£230.37 25% OFF
You save £76.79 per unit
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create an online account to unlock exclusive pricing, special offers and more.

Create an online account Quick & easy setup
SUBTOTAL (EX VAT) £230.37
Trade pricing is personalised to your account

Manufacturer Lead Time

£230.37

Why Choose the ABB S204MT-K4 Miniature Circuit Breaker?

The ABB S204MT-K4 is a compact and reliable miniature circuit breaker (MCB) designed for overcurrent and short-circuit protection in electrical installations, with particular suitability for traction and railway applications. As part of the ABB System pro M compact S200MT series, it provides dependable circuit protection in demanding transport and industrial environments.

This four-pole circuit breaker features a K tripping characteristic and a rated current of 4 A, providing protection for suitable circuits with characteristic motor and transformer inrush conditions. Designed for AC supplies, it provides dependable circuit protection for railway and other specialised electrical systems.

With a rated breaking capacity of 10 kA and DIN-rail mounting, the S204MT-K4 is suitable for compact distribution boards, control panels and electrical protection assemblies where dependable multi-pole circuit protection is required.

Key Advantages

  • Compact four-pole miniature circuit breaker for traction and railway applications.
  • 4 A rated current for dependable circuit protection.
  • K tripping characteristic suitable for circuits with characteristic motor and transformer inrush conditions.
  • 10 kA rated breaking capacity for effective short-circuit protection.
  • Designed for use with AC supplies.
  • Convenient DIN-rail mounting for electrical distribution and control equipment.

Key Features

  • ABB System pro M compact S200MT series for traction and railway applications.
  • 4-pole circuit configuration.
  • 4 A rated current.
  • K tripping characteristic.
  • 10 kA rated breaking capacity.
  • Suitable for AC supplies.
  • DIN-rail mounting for straightforward installation.
  • Designed for dependable overcurrent and short-circuit protection.

Reliable Circuit Protection for Railway and Traction Systems

Miniature circuit breakers provide automatic protection against excessive current caused by overloads and short circuits. The ABB S204MT-K4 combines a K tripping characteristic with a 4 A rated current to protect suitable circuits while providing dependable interruption of fault currents.

The S200MT series is developed for applications where electrical equipment must meet the demanding requirements associated with traction and railway environments. Its compatibility with AC supplies supports use across specialised electrical protection systems.

Typical Applications

  • Railway electrical installations and rolling-stock systems.
  • Traction power and auxiliary circuits.
  • Railway control and signalling equipment.
  • Electrical distribution panels and control cabinets.
  • Circuits with characteristic motor and transformer inrush conditions.
  • AC electrical protection systems.

Technical Specifications

Tick the specs you need, then view products that match.

Current 4 A
Poles 4-pole
Phase Three Phase
Device Type MCB
Trip Curve K curve
Breaking Capacity 10 kA
Part number 2CDS274445R0337
Product type Miniature circuit breaker
Application Traction / railway applications
Rated current 4 A
Tripping characteristic K
Number of poles 4-pole
Mounting type DIN rail
Manufacturer ABB
Series System pro M compact S200MT (traction)
Model S204MT-K4
Order code 2CDS274445R0337
Rated breaking capacity 10 kA
Supply AC

Frequently Asked Questions

What is the ABB S204MT-K4 used for?

This miniature circuit breaker provides overcurrent and short-circuit protection for electrical circuits, particularly in traction and railway applications.

What is the rated current of the S204MT-K4?

The circuit breaker has a 4 A rated current.

What tripping characteristic does this circuit breaker have?

The S204MT-K4 has a K tripping characteristic, suitable for circuits with characteristic motor and transformer inrush conditions.

What is the breaking capacity of the S204MT-K4?

The circuit breaker has a 10 kA rated breaking capacity.

Can the ABB S204MT-K4 be used with AC supplies?

Yes. The S204MT-K4 is designed for use with AC supplies.

Trusted for Demanding Electrical Protection

ABB System pro M compact S200MT miniature circuit breakers provide dependable overcurrent and short-circuit protection for traction, railway and other specialised electrical applications.