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 ...

JSB27x series of USB 2.0 Controlled module with 2 or 4 Solid State Relays. Each solid state relay is rated for 1 Amp @ 50 Volts AC or DC. Screw type terminal blocks are on the module to provide quick ...

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 ...