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Exel 2 Distribution Fuseboards

The Exel fuseboard range is available with standard enclosures to IP4X for the complete range of 20A to 100A distribution boards. A variety of extra features have been incorporated in the range including increased cabling space, superior door latches and locking devices (there is a choice of barrel lock or padlocking device), improved lid hinges and a unique safety carrier which effectively blanks off a single fuse-way allowing the circuit to be worked on in safety. Safety carriers have no provision for accepting a fuselink. 

The Exel distribution fuse boards are designed to comply with the requirements of BSEN 61439-2. All phase parts are fully shrouded so that additional circuits may be wired and connected in safety whilst the existing circuits remain live and on load. The type of enclosure available gives protection to IP4X and is supplied with removable endplates. The range covers a wide variety of ratings from 20–100A; 20A and 32A with up to 12 ways in SPN and TPN configurations; 63A and 100A up to 8 ways in TPN configurations. All ratings available with moulded HRC carriers to BS88: Part 2. Testing has been carried out using Eaton ‘S’ type HRC fuselinks. Fuse base mouldings are of high quality thermosetting material. The fuse units have skirted fuse carriers to prevent accidental contact with live parts when inserting or withdrawing a carrier. Separate shields are provided for the base contacts to prevent accidental contact when the carrier has been withdrawn.

All fuseboards are suitable for systems with a rated insulation voltage Ue 660V AC, 500V DC.

Core features

  • A variety of extra features have been incorporated in the range including
    • increased cabling space
    • superior door latches and locking devices (there is a choice of barrel lock or padlocking device)
    • improved lid hinges
    • unique safety carrier which effectively blanks off a single fuse-way allowing the circuit to be worked on in safety. 
  • Safety carriers have no provision for accepting a fuselink.
  • The Exel distribution fuse boards are designed to comply with the requirements of BS5486: Part 11: 1989.
  • All live parts are fully shrouded so that additional circuits may be wired and connected in safety whilst the existing circuits remain live and on load.
  • The type of enclosure available gives protection to IP4X and is supplied with removable endplates.
  • The range covers a wide variety of ratings from 20–100A; 20A and 32A with up to 12 ways in SPN and TPN configurations; 63A and 100A up to 8 ways in TPN configurations.
  • All ratings available with moulded HRC carriers to BS88: Part 2.
  • Testing has been carried out using Eaton ‘S’ type HRC fuselinks.
  • Fuse base mouldings are of high quality thermosetting material. The fuse units have skirted fuse carriers to prevent accidental contact with live parts when inserting or withdrawing a carrier.
  • Separate shields are provided for the base contacts to prevent accidental contact when the carrier has been withdrawn.
  • All fuseboards are suitable for systems with a rated insulation voltage Ue 660V AC, 500V DC.

 

Enclosures

Rust protected sheet steel IP4X enclosures have a light grey paint finish and are fitted with internal fixing holes. Enclosures have a robust, reliable construction. Enclosures for units from 20A to 100A are of all welded construction. Removable top and bottom endplates incorporate knockouts on 20A and 32A units while 63–100A boards have blank endplates. Blank endplates are available on request for 20A and 32A boards. The enclosure allows gasketed access doors to be reversed for left hand or right hand opening. All sides are free from external projections and fuseboards can be mounted in inverted form if required.

Main terminations

32A, 2-way fuseboards have the main phase termination (tunnel type) attached to the fusebanks. All other fuseboards have the main terminations mounted on the back of the enclosure and are intended for use with cable sockets (sweating or crimp type) which are not provided. Busbar and main terminals are fully shrouded. A cable shroud to cover the cable socket is provided.

Earthing and neutral bars

Multi-way earthing bars are fitted with an integral earth bolt and have an outgoing terminal per fuse. They are rail mounted adjacent to the fully rated neutral bars. Neutral bars have main terminals of the same capacity as the phase terminals and have one outgoing terminal per fuse. Earth/neutral bar rails are fitted at the bottom of enclosures on 20A and 32A fuseboards and at the top on all others.
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