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The ALPHA 3200 power distributor

Safe investment. Productivity enhancing. efficient.

Optimized for building infrastructure

The ALPHA 3200 power distributor combines many years of development expertise in the field of low-voltage switchgear with innovative technology for optimal power distribution for applications of up to 3,200 A. Our consistent overall portfolio thus includes installation and power distributors from 160 A to 3,200 A.

Making energy available intelligently

The trend towards "smart buildings" requires flexible and communication-capable energy distribution in buildings. The demands on power distribution - from planning to operation - are becoming ever greater, standard specifications more and more complex. Project cycles and business processes in switchgear construction are accelerating.

With our intelligent products and systems for low-voltage power distribution, we support panel builders in meeting every requirement. Technological competence paired with many years of experience in switchgear construction as well as high-quality, standard-compliant products make the ALPHA 3200 power distributor a safe investment.


Investment security through experience

Consistent, coordinated overall system according to IEC 61439

With the ALPHA 3200 power distribution board, we are supplementing our range of ALPHA installation distribution boards and are therefore offering a consistent system up to 3,200 A whose housing and components are optimally matched to one another. The SIMARIS configuration software supports the panel builder throughout the entire course of the project – from planning to operation. The design verification of the switchgear assembly is carried out by testing in accordance with IEC 61439.

Powerful – the ALPHA 3200 power distributor
The main busbar of the ALPHA 3200 power distributor has been optimized for applications in the building infrastructure. In addition, the built-in systems ALPHA and thus the full flexibility of ALPHA were integrated into the system. Furthermore, the larger surface of the sub-conductor system increases the current-carrying capacity.

Innovative and communication-capable components
The innovative protection, switching, measuring and monitoring devices from the SENTRON portfolio meet all the requirements of modern power distribution - whether small design, flexible installation technology or communication capability for more transparency of system states and energy flows.

Simplified processes in switchgear construction
The SIMARIS configuration software supports the quick configuration of the ALPHA 3200 - from the frame to the components, from the power distribution board to the distribution boards and from simple planning to ordering and plant views to documentation in accordance with IEC 61439.


  • Investment security thanks to technological competence and many years of experience in switchgear construction
  • Increased productivity through economical overall system
  • Efficient with innovative components from a single source
  • Safety for people and system by means of design verification according to IEC 61439-1/-2

Our portfolio offers integrated power distribution for applications in the building infrastructure with the ALPHA power and installation distributors and innovative SENTRON protection, switching, measuring and monitoring devices.


ALPHA 3200 – A powerful overall system

ALPHA 3200 and SENTRON power distributors Protection, switching, measuring and monitoring devices: All products and systems are designed for the diverse and sometimes complex requirements of switchgear construction. The consistent portfolio ensures simple, fast and highly flexible use.

The SIMARIS configuration software supports the quick configuration of the ALPHA 3200.


  • 3WL air circuit breakers
  • 7KM PAC measuring devices
  • 3NJ4 fuse switch disconnectors
  • 3NJ6 switch disconnectors with fuses
  • 3NP1 fuse switch disconnectors
  • Molded case circuit breaker 3VA / 3VL
  • 3NP1 fuse switch disconnectors
  • Molded case circuit breaker 3VA / 3VL
  • 3KD switch disconnector
  • Main and EMERGENCY STOP switch 3LDv
  • 5SV3 / 5SM3 residual current circuit breakers
  • 5SM6 AFD units
  • Miniature circuit breaker 5SL

Productivity enhancing up to operation

Simplified processes in switchgear construction
The SIMARIS configuration software supports the switchgear manufacturer's entire process – from project planning to calculation and quotation preparation to system documentation in accordance with IEC 61439. The configuration software includes both the ALPHA power distribution board and the ALPHA installation distribution board.

Time saving through menu-driven configuration
The SIMARIS configuration software can be operated intuitively. Structured menus and the graphic display of the selection options simplify and accelerate configuration.

Planning security through error checking
Errors are automatically displayed during configuration and can be corrected immediately. The intelligent pre-selection of the devices after the function has been determined and automatic placement provide planning security and help to avoid errors. The integrated power loss calculation optimizes the correct planning of the energy distributor.

Convenient preparation of offers through parts list and price calculation
The order number-specific configuration of the devices from the SENTRON portfolio and the integrated price calculation accelerate the preparation of the offer. The copper calculation is also carried out using the software. In addition, the creation of a parts list with a mouse click simplifies the ordering process.

Ready to start quickly with comprehensive system documentation
View drawings such as front or cut-out views in DXF format or DWG format can be further processed in CAD programs, the single-line circuit diagram ensures simple system documentation. Appropriate certificates and test reports are provided in accordance with IEC 61439.

Security through additional tests
The ALPHA 3200 power distributor is a switching device combination with design verification EN / IEC 61439-1/-2 and thus offers safety for people and the system. The mechanical and electrical test cover, e.g. Arc fault tests, goes beyond the standard specifications. All certificates and common verifications are available with the SIMARIS configuration software.

Added value as needed
The ALPHA 3200 power distributor is available pre-assembled with or without copper. Copper drawings can be output project-specifically. This means that production can begin even before the energy distributor is delivered. Depending on the system, the switchgear manufacturer can freely choose his own added value.

Comprehensive support
We support switchgear manufacturers with tailor-made training courses. If you have any questions, our ALPHA 3200 hotline is available.


  • Planning security through integrated error checking and power loss calculation thanks to intuitive software
  • Save time with extensive support throughout the project lifecycle
  • Comprehensive system documentation directly from the software
Software for configuring the ALPHA power distributors and installation distributors
  • Project data
    • Energy and installation distributor ALPHA
  • Project planning
    • Installation kits ALPHA
    • SENTRON components
    • Error checking
    • Power loss calculation
  • Calculation
    • Price (housing, components)
    • Surcharges


  • Documentation
    • Task, BOMs
    • Character Formats
    • Plant view
    • Plant documentation
  • Individual project documentation
  • Integrated copper drawings
  • Design verifications and test certificates


The form of delivery offers the panel builder
Flexibility in your own value creation process.

The switchgear is available in 2 variants:

  • Pre-assembled with copper
  • Pre-assembled without copper

A high level of safety for people and systems, reliable and extensive support and high cost-effectiveness during installation and operation, these are the advantages of the Siemens ALPHA complete systems.


Sophisticated technology

High level of safety for people and systems

Roof plate with pressure relief in the event of an arc fault


Patented locking system for single or central locking reliably withstands an arc fault


Lockable swivel lever system to protect against unauthorized operation



High cost-effectiveness during assembly and operation

Optimized single-wire main busbar systems with lower copper requirements for integration of the ALPHA built-in system


Connection to the main busbar without drilling and installation in sub-conductor systems for quick installation and increased current carrying capacity with economical use of copper

Maintenance-free busbar connections for quick and easy installation


Modular housing, optimally matched to innovative communication-capable SENTRON components


Reliable and extensive support

ALPHA 3200
Standards and regulationsType-tested switchgear combinationDIN EN (IEC) 61439-1/2
Clearances and creepage distancesRated impulse withstand voltage (Uimp)
Overvoltage category
Pollution degree
8 kV
Rated insulation voltage (Ui) 1.000 V
Rated operational voltage (Ue) up to 690 V
3 pin / 4 pin
Main busbarsRated currents (In)
Rated peak withstand current (Ipk)
Rated short-time withstand current (Icw)
bis 3.200 A
bis 165 kA
bis 75 kA, 1 s
Degree of protectionaccording to IEC 60529, EN 60529up to IP41 [ventilated]
IP54 [non-ventilated]
Form of internal divisionaccording to IEC 61439-1, EN 61439-1, Section 7.7to form 2b
Scaffolding variantsheight
2.000 mm
600 mm
Protection against mechanical damageIEC 62262IK 08 cover frame
IK 09 roof plate
IK 10 door side panel rear panel


©SIEMENS - All texts and photos are direct from SIEMENS.



BT-Anlagenbau is specialist and general contractor for plant construction in the area of storage technology and intralogistics, automation technology, image processing, switchgear manufacturing and electrical industrial installations. Our products are successfully deployed all over the world and stand for efficiency and quality.

We advise you from the initial planning phase to the successful completion of the project. Naturally, all our products comply with the latest current regulations and of course we are ISO & SCC certified.

The company


Projects realized worldwide

Here you can see a small selection of projects that have been realized by BT-Anlagenbau.

We would be happy to send you a list of our references: simply send us an email or give us a call and we will take care of your concerns immediately.