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Forms of Separation

Form 1

  • No internal separation.
Form1
 

Form 2

  • Separation of busbars from the functional units.

 Form 2 type 1

Form2

  •  Busbar separation is achieved by insulated coatings or coverings.

 Form 2 type 2

Form2

  •  Busbar separation by metallic or non-metallic rigid barriers or partition.
 

Form 3a

  • Separation of busbars from the functional units.
  • No separation or insulation of busbars.
  • Separation of functional units from one another.
  • Separation of terminals from the functional units.
  • No separation of terminals from others.
Form3

Form 3b

  • Separation of busbars from the functional units.
  • Separation of functional units from one another.
  • Separation of terminals from the functional units.
  • No separation of terminals from others.

 Form 3b type 1

Form3

  • Busbar separation is achieved by insulated coverings: sleeving, wrapping or coatings etc.

 Form 3b type 2

Form3

  •  Busbar separation by metallic or non-metallic rigid barriers or partition.
 

 

Form 4

  • Separation of busbars from the functional units.
  • Separation of functional units from one another.
  • Separation of terminals from the functional units.

Form 4 type 1

Form4

  • Busbar separation is achieved by insulated coverings: sleeving, wrapping or coatings etc.

Form 4 type 2

Form4

  • Busbar separation by metallic or non-metallic rigid barriers or partition.

 Form 4 type 3

Form4

  • Separation achieved by metallic or non-metallic rigid barriers or partitions.
  • Individual glanding at functional unit.

 Form 4 type 4

Form4

  • Busbar separation is achieved by insulated coverings e.g sleeving, wrapping or coatings
  • Terminals separate from the functional unit.
  • Insulated terminals by sleeving or wrapping etc.

Form 4 type 5

Form4

  • Busbar separation by metallic or non-metallic rigid barriers or partition.
  • Terminals separate from the functional unit.
  • Insulated terminals by sleeving or wrapping etc.

Form 4 type 6

Form4

  • All separation is by metallic or non-metallic rigid barriers or partitions.
  • Terminals separate from the functional unit.

Form 4 type 7

Form4

  • All separation is by metallic or non-metallic rigid barriers or partitions.
  • Terminals separate from the functional unit.
  • Individual glanding at functional unit.

 

 

 
 
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