Munich – Schaltbau, located in Munich, has introduced a new high-voltage signalling relay. The ZH842 H is a result of the development of the company’s signalling technology. Compared to its direct ...

Mors Smitt produces N.S1 signalling relays in France, and is the Dutch licensee for Alstom-GRS B1/B2 relays. It said the STS Rail deal means it is now ‘a true world leader’ in the signalling relay ...

The city’s subway tracks are the place where mass transit and time travel intersect. But not in a good way. Twenty-first century straphangers are reliant on sometimes obsolete mechanical equipment ...

Modern relay technology has been around since the 1960s, and its main function is to provide automation with electrical isolation for many applications. All relays have two separate circuitries: input ...