Available from specialist distributor Switchtec, Hongfa’s HF41F follows the trend for ultra slim relays, and when fitted to a panel offers users a very high level of flexibility due to its compact ...

Bosch Security Systems is introducing two new devices to its 420 Interface Module Series for use with the latest and improved version of the company’s well-known Local Security Network (LSN) bus for ...

When it comes to electronics, it seems like a relay is such a simple device – yet, it is able to interface some pretty elaborate high-end systems with a fire alarm system. Working with relays is an ...