Old MK Sentry

[Andy78]

Not having much experience or knowledge of working with MK gear I thought I would ask a question of those more au fait with MK.

Have a job coming up where RCD protection is required for alterations over three circuits. The existing MCBs are MK LN59 BS3871 type 2. Does anyone know if a modern MK RCBO will fit with this older system to facilitate a cheaper option ?

If not then a board swap will be appropriate.

 

[westward10]

Looking at your pic I think they do but I am not 100%, need someone else to confirm that.

 

[The Ghost]

Yeh they can fit but as they (the RCBO) are so long its a tight fit. Have done quite a few of those. The functional earth needs a crimped end to terminate it as its so fine.

 

[telectrix]

i'd go for the board swap. them MCBs went out with the Titanic. who know what stresses they've suffered over years of abuse.

 

[Andy78]

I don't like the sound of a tight fit with modern RCBOs. I think I will go back and add the cost of a board swap to the quote.

Thanks for the replies fellas.