ABB S204MT-B30 MCB - 4P - B Curve - 30A - 10kA

ABB S204MT-B30 MCB – 4P – B Curve – 30A – 10kA

ABB S204MT-B30 is a 30 A four-pole B characteristic miniature circuit breaker with a 10 kA breaking capacity for AC traction and railway applications.

SKU: 2CDS274445R0305Alt SKU: S204MTB30MPN: 2CDS274445R0305
Price
List Price £246.55 ex VAT
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Manufacturer Lead Time

£246.55

Why Choose the ABB S204MT-B30?

The ABB S204MT-B30 is a four-pole miniature circuit breaker from the ABB System pro M compact S200MT series, designed for traction and railway applications where dependable circuit protection is required.

With a 30 A rated current, B tripping characteristic and 10 kA rated breaking capacity, the S204MT-B30 provides reliable protection against overloads and short circuits in suitable AC electrical circuits.

The breaker is designed for DIN-rail mounting and is identified by ABB order code 2CDS274445R0305, making it suitable for specification in compatible railway and traction electrical installations.

Key Advantages

  • Railway and traction focused: Part of ABB's S200MT range developed for traction and railway applications.
  • Four-pole protection: Provides four-pole circuit protection within a single compact device.
  • 30 A rated current: Suitable for circuits requiring a 30 A nominal current rating.
  • B tripping characteristic: Provides B characteristic protection for suitable electrical circuits.
  • 10 kA breaking capacity: Provides substantial short-circuit interruption capability.
  • DIN-rail installation: Designed for convenient mounting in compatible distribution and control equipment.

Key Features

  • ABB System pro M compact S200MT series
  • Model: S204MT-B30
  • Miniature circuit breaker for traction and railway applications
  • 4-pole configuration
  • B tripping characteristic
  • 30 A rated current
  • 10 kA rated breaking capacity
  • AC supply
  • DIN-rail mounting
  • ABB order code: 2CDS274445R0305

Reliable Circuit Protection for Traction and Railway Systems

The ABB S204MT-B30 forms part of the S200MT family intended for electrical installations in railway and traction environments. Its four-pole configuration and B characteristic provide a defined protection solution for compatible AC circuits requiring protection against overloads and short circuits.

With its 30 A rating and 10 kA breaking capacity, the S204MT-B30 is suitable for appropriately designed traction, railway and associated electrical distribution systems where DIN-rail mounted circuit protection is required.

Typical Applications

  • Railway electrical installations
  • Traction electrical systems
  • Rolling-stock electrical equipment
  • Railway distribution and control panels
  • AC auxiliary circuits in suitable railway applications
  • DIN-rail mounted electrical protection assemblies

Technical Specifications

Product type Miniature circuit breaker
Application Traction and railway applications
Number of poles 4
Rated current 30 A
Tripping characteristic B
Supply type AC
Rated voltage 400 V AC
Rated insulation voltage 440 V
Rated impulse withstand voltage 4 kV
Rated frequency 50–60 Hz
Energy limiting class 3
Mounting DIN rail
Module width 4 modules
Protection rating IP20
Operating ambient temperature −40 to 70 °C
Weight approximately 0.500 kg
ABB order code 2CDS274445R0305
Current 30 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-B30
Order code 2CDS274445R0305
Rated breaking capacity 10 kA
Supply AC

Frequently Asked Questions

What is the ABB S204MT-B30?

The ABB S204MT-B30 is a four-pole miniature circuit breaker from the System pro M compact S200MT series for traction and railway applications.

What is the rated current of the S204MT-B30?

The ABB S204MT-B30 has a rated current of 30 A.

What tripping characteristic does the S204MT-B30 have?

The S204MT-B30 uses a B tripping characteristic for suitable circuit protection applications.

What is the breaking capacity of the S204MT-B30?

The ABB S204MT-B30 has a rated breaking capacity of 10 kA.

Is the S204MT-B30 suitable for AC applications?

Yes. The S204MT-B30 is specified for AC supply and is designed for suitable traction and railway electrical applications.

Trusted by Electrical and Railway Engineering Professionals

ABB System pro M compact S200MT circuit breakers provide dependable overcurrent protection for appropriately designed traction and railway electrical installations.

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