gildaz

[j.g.-electrical]

Just wanted clarification please. Wanted to know how to establish the type of the old crabtree mcbs it has c 50 on the side but no type and is this still a bs 3871. it is for a pir need to determin the type to find the max zs.:icon4::icon4:

 

[Knobhead]

What is gildaz? Does it have anything to do with your question.

 

[malcolmsanford]

View attachment Zs values for older protection devices.pdf

This might be of use for you I would have thought that they would be BS 3871

 

[Sintra]

If it's a type C then it should be a 60898 as opposed to a 3871 which would be a type 1,2,3 etc.

 

[j.g.-electrical]

thankyou most helpful. would a bs3871 c50 be a type 1 2 or 3/c then? how old are the c 50 s? and if the type is not on the side is it determined by the colour of the writing.

 

[j.g.-electrical]

thankyou most helpful, so how old are the c 50?s and if the type is not on the side is it determined by the colour of the writing.

 

[SPARTYKUS]

Who is the mystery Gildaz? An ancIent Turkish warrior?