FUSES


 

Fuse No. 1

Delayed action fuse which fits the Fuse, Mounting No. 4001.

It is a Porcelain tube with Nickel plated brass end caps.

Fuse No. 1/0.25 amps
Fuse No. 1/0.5 amps
Fuse No. 1/1.0 amps
Fuse No. 1/1.5 amps

Dimensions - 53mm x 7mm.

Siemens Brothers Part No. 20.
 

Fuse No. 4

Fuse No. 4/1A - 0.5 amps - blue
Fuse No. 4/1B - 1 amp - yellow
Fuse No. 4/2 - 1.5 amps - red

Fixing centres - 1.25"

Superseded by Fuse No. 31.

Fuse No. 5

Fuse No. 5/1A - 1 amps - yellow
Fuse No. 5/2 - 1.5 amp - red
Fuse No. 5/3A - 3 amps - black

Fixing centres - 1.25"

Superseded by Fuse No. 31.

Fuse No. 6

Fixing centres - 1.5"

Superseded by Fuse No. 31.

Fuse No. 13

Fixing centres - 1.5"

Superseded by Fuse No. 31.

Fuse No. 15

A cartridge type fuse, constructed of a fibre tube with brass end caps and fixing lugs.

Fuse No. 10/5 - 5 amps
Fuse No. 10/10 - 10 amps
Fuse No. 10/15 - 15 amps
Fuse No. 10/20 - 20 amps
Fuse No. 10/25 - 25 amps

Fixing centres - 105mm.
 

Fuse No. 16

A cartridge type fuse, constructed of a fibre tube with brass end caps and fixing lugs.

Fuse No. 10/30 - 30 amps
Fuse No. 10/40 - 40 amps
Fuse No. 10/60 - 60 amps

Fixing centres - 118mm.
 

Fuse No. 20

A cartridge type fuse, constructed of a fibre tube with brass end caps and fixing lugs.

Fuse No. 20/3 - 3 amps
Fuse No. 20/5 - 5 amps
Fuse No. 20/10 - 10 amps

Fixing centres - 79mm.
 


 
Fuse No. 21

A cartridge type fuse, constructed of a fibre tube with brass end caps and fixing lugs.

Fuse No. 21/15 - 15 amps
Fuse No. 21/20 - 20 amps
Fuse No. 21/25 - 25 amps

Fixing centres - 98mm.
 

Fuse No. 22

A cartridge type fuse, constructed of a fibre tube with brass end caps and fixing lugs.

Fuse No. 22/30 - 30 amps
Fuse No. 22/40 - 40 amps

Fixing centres - 118mm.
 

Fuse No. 23

A cartridge type fuse, constructed of a fibre tube with brass end caps and fixing lugs.

Fuse No. 23/60 - 60 amps
Fuse No. 23/75 - 75 amps
Fuse No. 23/100 - 100 amps

Fixing centres - 141mm.
 

Fuse No. 24

A cartridge type fuse, constructed of a fibre tube with brass end caps and fixing lugs.

Fuse No. 24/125 - 125 amps
Fuse No. 24/150 - 150 amps

Fixing centres - 178mm.
 

Fuse No. 27

Fixing centres - 2.05"

Superseded by Fuse No. 31.

Fuse No. 28/1.5

Delayed action fuse which fits the Fuse, Mounting No. 4028.

Constructed of a flat Bakelite body with copper end caps. 

Rated at 1.5 amps.

Size - 39mm x 13mm x 4mm.

Siemens Brothers Part No. 22.
 

Fuse No. 31

A fuse used for alarm indication.  It is a Bakelite strip with slotted, copper end terminal plates.  When the fuse is blown, an alarm contact is released and a coloured indicator displayed.

Fuse No. 31/1 - 0.5 amps - blue
Fuse No. 31/1 - 1.0 amps - yellow
Fuse No. 31/2 - 1.5 amps - red
Fuse No. 31/3 - 3 amps - black

Fixing centres - 1.5".

Fixing centre - 40mm.

Siemens Brothers Part No. 24.

  

Click here for a drawing of the Fuse

Fuse No. 36

Glass fuse with end caps.

Click here for more information
Fuse No. 37/2.5

A hexagonal Porcelain tube with knife edge end contacts.

Rated at 2.5 amps.

Size - 46mm x 16mm x 7mm.

Siemens Brothers Part No. 34A.

 

Fuse No. 44

Alarm fuse, comprising moulded plastic body fitted with slotted brass terminal plates.

Fuse No. 41/0.5 - 1 amp - Blue
Fuse No. 41/1 - 2 amps - Yellow
Fuse No. 41/1.5 - 3 amps - Red
Fuse No. 41/3 - 6 amps - Black
Fuse No. 41/10 - 10 amps - Green
Fuse No. 41/6 - 12 amps - White

Fixing screws
Supply side - 2 BA.
Distribution side - 4 BA.

Siemens Brothers Part No. 41.

Fixing Centres - 40mm.

Click here for more information

 

Fuse No. 48

Click here for more information

 

Fuse No. 64

Delayed action fuse which fits the Fuse, Mounting No. 4001.

Fuse, Dummy No. 64A is shown to the right.

 


 
   

 

 

 
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Last revised: April 05, 2025

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