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DFR - Relays Held in Storage

The following spreadsheets list the main characteristics of the relays held in store by the DFR. Generally these are recovered relays and so the condition is often quite poor and most of the relays need careful checking and adjusting before being installed into equipment.

As most of the equipment now being installed on the DFR is designed and built in house, this stock is invaluable to us.

They are held at John Bathgate's home as they require quite a lot of room when laid out in order. At 27/12/2013 we held a stock of 622 3000 type relays.


3000 type relays with one winding up to 999 ohms

3000 type relays with one winding between 1000 and 1999 ohms

3000 type relays with a small winding of 2000 ohms

3000 type relays with a full winding of 2000 ohms

3000 type relays with single windings greater than 2000 ohms

3000 type relays with a slug at the armature end (slow to operate and release)

3000 type relays with a slug at the heel end (slow to release)

3000 type relays with double windings

3000 type relays with three or more windings

Single Contact High Speed Relays

Double Contact High Speed Relays

Double Relays ie two relays on one 3000 type yoke

Miscellaneous Relays (eg remanent, ratchet etc)



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Page provided by John Bathgate

This page was last updated on
13th October 2017