Test sheets

SSE · Jul 29, 2010

Couple of quick questions. Where a fuse is used in the board what do you write in the part (type) under (overcurrent device)?

What's what between the two in the section (Main Switch or Circuit Breaker) between (Current Rating) and (Fuse Rating or setting)?

Thanks.

Sintra · Jul 29, 2010

The type for a BS 88 fuse will either be gG or mG and for a BS 1361 fuse it will be either type 1 or 2

Des 56 · Jul 29, 2010

Some more info for you

Semi enclosed fuses in the distribution board will possibly be

3036 rewireable fuses

S1A short circuit capacity 1 KA these have ratings 5 amp 15 20 30 45 60
S2A 2 KA 5 15 20 30 45 60 100

S3A
S4A

SSE · Jul 29, 2010

sintra said:
The type for a BS 88 fuse will either be gG or mG and for a BS 1361 fuse it will be either type 1 or 2

Thanks. What is the difference between each type in the bs1361 ones?

Des 56 said:
Some more info for you

Semi enclosed fuses in the distribution board will possibly be

3036 rewireable fuses

S1A short circuit capacity 1 KA these have ratings 5 amp 15 20 30 45 60
S2A 2 KA 5 15 20 30 45 60 100

S3A
S4A

Thanks.

Sintra · Jul 29, 2010

gallagher said:
Thanks. What is the difference between each type in the bs1361 ones?

Thanks.

Type 1 generally fitted in consuner units 16KA fault current rating and are colour coded. Pic 1

Type 2 generally in cut outs / switchgear etc 33KA fault current rating. Pic 2

Test sheets

SSE

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Sintra

Des 56

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SSE

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Sintra

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