Thank you all for your replies.
Here are some pics, Crabtree T6 relay. contacts 4NO 4NC contact code B
Ue 415v IE 6amp
The Immersion is only a year old works fine, programmer is brand new.
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Basically I need a replacement that a fool could rewire, I can see where everything goes on...
I have a very noisy Crabtree relay to replace which is apparently over 20yrs old and discontinued.
The relay is activated by a modern Horstmann programmer, whenever HW is selected. A single cable from the programmer trips the relay and provides supply to the immersion via a completley seperate...