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LV Switchboard (Totally Type Tested)

 

Standards:

BS EN 60439-1: 1999

EN 60439-1: 1999

IEC 60439-1: 1999

 

Forms of separation:

Complies with EN 60439-1: 1999, Form 4. British

National Annex accommodated

 

IP rating:

External IP3X, IP41 or IP54 to IEC 60529: 1989

Internal IP2X minimum to the above named standard

 

Construction:

Frame structure 2mm gauge folded, painted and preplated steel

Cover plates 1.6mm screw fixed, painted and preplated steel Integral segregation Plated sheet steel, perforated sheet steel or transparent polycarbonate sheet

 

Earthing:

2 earth bar sizes: 300mm2 for 50kA for 1s fault withstand and 500mm2

for 50kA for 3s and 80kA for 1s fault withstand. Earth continuity of

cladding is maintained by specifically designed fixing screws

 

Electrical Rating:

Rated operational voltage: 400V

Power frequency withstand voltage: 2500V

 

Paint finish:

Light grey RAL 7035 semi-gloss

Paint depth: 40/60 microns

Paint process: 4-stage process that includes chemical spray degreasing, iron phosphate coating, automatic electro-static epoxy polyester

film application and curing in a high temperature oven

Cabling access:

Suitable for front or rear access cabling entry via the top

gland plates or the optional bottom gland plate.

 

Busbars:

Material HDHC copper. Multiple laminations per phase

Mounting 4-pole air insulated in glass fibre reinforced moulded supports

Shielding Non-conductive rigid insulated barriers or rigid sheet steel barriers

Maximum current  and fault withstand ratings

1250–1600A: 50kA for 3s

2500A: 80kA for 1s or 3s or 80kA for 1s

3200A: 80kA for 1s or 50kA for 3s

 

Independent switchboard certification :

Temperature rise

Dielectric properties

Short circuit withstand strength

Effectiveness of protective circuit

Clearance and creepage distances

Mechanical operation

Degree of protection

Modis 25

ASTA Certificate number 15467

ASTA Certificate number 15467

ASTA Certificate number 15467

ASTA Certificate number 15467 & 15471

ASTA Certificate number 15467

ASTA Certificate number 15467

ASTA Certificate number 15467