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Distribution Boards
“Form 4”, “Form 3” and “Form 2B” types incorporating the latest power monitoring systems
Form 4, 3 & 2B
ESTA Offer a range of solutions to suit the needs of the client’s specification in both “Form 4”, “Form 3” and “Form 2B” types incorporating the latest power monitoring systems and incorporating standby generators with auto changeover systems.
We are in a position to offer systems up to 5,000 Amps at mains voltage with multiple power sources.
FORM4
Form 4 covers overall assemblies that are so enclosed as to provide protection against contact with internal live parts and components. There is internal separation of the busbar system from functional units, and separation of all functional units from each other. Incoming and outgoing terminals are also required to be separated from the busbar and from each other.
The following general conditions apply:
Busbar are separated from functional units.
Functional units are separated from each other
Terminations to functional units are separated from each other
FORM 2B
Form 2B defines overall assemblies which are enclosed to provide protection against contact with internal live parts or components. There is internal separation of the busbars from functional units. Incoming and outgoing terminals are also required to be separated from the busbar but not from each other.
The following general conditions apply:
- Busbar are separated from functional units.
- Functional units are not separated from each other or the terminals.
FORM 4 MCC
ESTA Offers Form4 MCCs and Distribution Boards up to 5000 Amps.
Form 4 covers overall assemblies which are enclosed to provide protection against contact with any internal live parts or components, and where there is internal separation of the busbars from functional units.
The following general conditions apply:
Busbar are separated from functional units.
Functional units are separated from other functional units.
Terminations to functional units are separated from each other
