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STS Defence
BRB 930 Series Miniature Plug - In Signalling Relays
Originally known as Tyer G4 relays, then under the Field & Grant name and now as STS Signals, they were first manufactured in 1964 and have been the subject of continual development since then.
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STS Signals took over manufacture of the range in 1996 and has continued development, producing designs for railway companies worldwide. |
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There are over 100 relay designs currently being manufactured meeting the requirements of many railway operators. |
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