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graham123
Hi all, anybody come across these mem mcbs. Don't know what type they are. All it has on them is 3871 part 1. Apologies for the picture will upload a better one tommorow. cannot even find anything on Google or eBay.
Discuss Old mem mcb type in the UK Electrical Forum area at ElectriciansForums.net
no what im saying is they are prity old have a look at 15th edition and see what types there was you might take an educated guess as you seem to know what your talking about generally type 2 was used unless a special install ie a motor circuit then i would of not commented cheers
no what im saying is they are prity old have a look at 15th edition and see what types there was you might take an educated guess as you seem to know what your talking about generally type 2 was used unless a special install ie a motor circuit then i would of not commented cheers
correct you bow down pal
what you getting at ?thats what ive said type 2 common like type B are now high zs is fine with theses look it up type B whats the max zs type c whats the max zs same as type 1 and type 2 different values today high zs i would use a type B yes are you understanding not a type c
when these mcbs in the photo were made there was the same type 2 common type 1 not common
yes ive got 25 years on the job
yes ive got 25 years on the job
Type 1 were actually the most common as they were classed as resistive mcb's..
pop quiz... No cheating! Googling or whatever your preferred cheat is!
we have mentioned types b,c & d but not type a.
why are type a MCBs so special??? No cheating!
Type 1 were actually the most common as they were classed as resistive mcb's..
pop quiz... No cheating! Googling or whatever your preferred cheat is!
we have mentioned types b,c & d but not type a.
why are type a MCBs so special??? No cheating!
OK so do ya want a gold medal
No they are not the same at all
Type 1 are X4 In, Type B are X5 In
Type 2 are X7 In, Type C are X10 In
Type 3 are X10 In Type D are X20 In
Type 4 can be various depending on manufacturer
If anything Type 3 are roughly equivalent to type C
You challenge my comment I put my opinion across type 2 if you don't like it that's up to you how much experience have you in this field think you should go on the diy forum
Type 1..2.7 - 4In
Type 2..4 - 7In
Type 3..7-10In
Type 4...10 - 50In
Hi all, anybody come across these mem mcbs. Don't know what type they are. All it has on them is 3871 part 1. Apologies for the picture will upload a better one tommorow. cannot even find anything on Google or eBay.
Reply to Old mem mcb type in the UK Electrical Forum area at ElectriciansForums.net
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