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Anybody suggest suppliers for 34.5k

Anybody suggest suppliers for 34.5k

Anybody suggest suppliers for 34.5k

(OP)
Anybody suggest suppliers for 34.5kV, current limiting fuses for installation in metal enclosed switch.

Already looked at SIBA, Driescher, Efen.

RE: Anybody suggest suppliers for 34.5k

Cooper Bussman has current-limiting British Standard fuses to 72.5 kV - not sure how high their North American E-rated range goes.  Try http://www.bussman.com

The aforementioned S and C is a good choice, except that I don't think S and C offers current limiting fuses - they have philosophical differences against using current limiting fuses as I recall.

RE: Anybody suggest suppliers for 34.5k

gordonl - are the fuse clips/holder existing?  Are there particular dimensional requirements you have such as DIN or IEC dimensional standards (just guessing from the manufacturers you have tried already - they all sound European).

Bussman also has a DIN line to 36 kV but I don't think they are current limiting.

RE: Anybody suggest suppliers for 34.5k

Sorry-- I goofed.

RE: Anybody suggest suppliers for 34.5k

(OP)
These are S&C switches which were supplied with Driescher fuses which have been failing to interupt.  They are DIN standard but I would retrofit if neccesary.

I tried Bussman, thank you, but their DIN are too low in current rating, and their E rated are too low in interupting.

Ideally I need 63A and 40kA interupting, and 250A 40kA, both at 34.5kV.

The only thing I've found are the G&W Power Assisted Fuses, but they are very expensive.  I would require 4 sets to replace my 250A fuses.

Any other suggestions would be equally appreciated.

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