Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
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.
£184.91
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
Tick the specs you need, then view products that match.
| Current | 30 A | |
|---|---|---|
| Poles | 4-pole | |
| Phase | Three Phase | |
| Device Type | MCB | |
| Trip Curve | B curve | |
| Breaking Capacity | 10 kA | |
| 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 | |
| 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.
