Welcome to STS Signals

STS Signals is a leading supplier of specialised and approved products for the railway industry.

The company designs, manufactures and supports a range of solutions including specialised telephone concentrator systems, miniature signalling relays, TPWS/AWS systems and TYER electric key token systems.

STS Signals has over 150 years experience in the industry and can trace it’s roots back to Edward Tyer who founded The Tyer Co. in 1851 and developed and manufactured the Tyer electric key token instruments along with many other signalling products.

Many of our products have been optimised for railway networks, where reliable operation in a safety-critical environment has been proven for many years.

STS Signals offer design services for bespoke circuit boards, signalling products and systems; custom manufacture; project management; training and service and repair.

STS Signal’s capabilities and products comprise:-

• Concentrators for track-side telecoms
• TPWS and AWS products and systems
• Miniature Signalling Relays (BR930, Alstom ‘z’ type and others)
• Including design service for relays no longer available
• Electric Key Token Instruments
• Specialised design and manufacture to meet your electronic and electro-mechanical needs
• Tailored solutions for new schemes and replacements for obsolete equipment

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