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Small fuses? Mastech HY3005

I

Ignoramus4546

Jan 1, 1970
0
I have a Mastech HY3005 power supply (ex military). It's kind of
cute. does both constant voltage and constant current and could be
used for plating, etc.

It seems to be fine, except that it is missing a fuse. I tried puching
in a regular Buss fuse and it would not fit. I think that it uses some
smaller fuses, not sure what kind.

So... What are those fuses that are slightly smaller than regular
little Buss fuses sold at Ace hardware etc.

thanks

i
 
N

n cook

Jan 1, 1970
0
Ignoramus4546 said:
I have a Mastech HY3005 power supply (ex military). It's kind of
cute. does both constant voltage and constant current and could be
used for plating, etc.

It seems to be fine, except that it is missing a fuse. I tried puching
in a regular Buss fuse and it would not fit. I think that it uses some
smaller fuses, not sure what kind.

So... What are those fuses that are slightly smaller than regular
little Buss fuses sold at Ace hardware etc.

thanks

i

3/8 inch ?
 
K

Keith Marshall

Jan 1, 1970
0
So... What are those fuses that are slightly smaller than regular
little Buss fuses sold at Ace hardware etc.

There is a 5 x 20mm variety. Radio Shack sells them if you can't find them
anywhere else.

Best Regards,
Keith Marshall
[email protected]

"I'm not grown up enough to be so old!"
 
I

Ignoramus4546

Jan 1, 1970
0
meant 5/8 inch

Let's say that I go to some store or try to look up those fuses on the
web, what should I ask for? "Do you have 5/8" fuses"?

The power supply seems to work if I insert a nail in the fuse opening,
but, obviously, it is not a good practice to use it that way.

i
 
I

Ignoramus4546

Jan 1, 1970
0
There is a 5 x 20mm variety. Radio Shack sells them if you can't find them
anywhere else.

Sounds about right, I will try to check out RS. Thanks.

i
 
N

Ned Simmons

Jan 1, 1970
0
ignoramus4546 said:
Sounds about right, I will try to check out RS. Thanks.

There are also 5x25 & 5x30mm fuses. Not as common as 5x20mm, but check
to make sure before you go shopping. If you have trouble finding them
locally and/or aren't in a hurry, email me the amperage and if I have
them I'll stick a few in an envelope. I used to use a lot of 5x25mm in
control panels in modular fuse holders, but these days I can buy circuit
breakers for only a few dollars more than the fuse holders.

Ned Simmons
 
I

Ignoramus4546

Jan 1, 1970
0
There are also 5x25 & 5x30mm fuses. Not as common as 5x20mm, but check
to make sure before you go shopping. If you have trouble finding them
locally and/or aren't in a hurry, email me the amperage and if I have
them I'll stick a few in an envelope. I used to use a lot of 5x25mm in
control panels in modular fuse holders, but these days I can buy circuit
breakers for only a few dollars more than the fuse holders.

Thank you Ned. I already went and bought 5x20mm fuses at a nearby
RadioShack. I will try them tonight.

i
 
J

john

Jan 1, 1970
0
Ignoramus4546 said:
I have a Mastech HY3005 power supply (ex military). It's kind of
cute. does both constant voltage and constant current and could be
used for plating, etc.

It seems to be fine, except that it is missing a fuse. I tried puching
in a regular Buss fuse and it would not fit. I think that it uses some
smaller fuses, not sure what kind.

So... What are those fuses that are slightly smaller than regular
little Buss fuses sold at Ace hardware etc.

thanks

i



old number was probably an 8AG unless they were the foreign type.


John
 
M

Mike Berger

Jan 1, 1970
0
We used to call those 8AG (back when AGC-3 was 3AG). I
don't know the current nomenclature.
 
I

Ignoramus26498

Jan 1, 1970
0
Thanks to all. I really needed 5x20 fuses. The ones I got yesterday
were wrong size, but the power supply shows healthy signs of life.

i
 
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