HRNs are monitoring Everyone buys all kinds of electronic devices for their homes, including appliances with microelectronics, because everyone wants the smartest devices and preferably…

Overcurrent and undercurrent monitoring There is a real through hole on the side of our PRI-32 and PRI-52 current monitoring relays! And there is nothing suspicious about looking through the…

Control of three independent switches In addition to institutions, larger buildings, and office buildings, the need for hot water from multiple locations is also common…

Bi-directional motor control We have used the pulse relay type MR-42 many times, not only for lighting control functions. In this week’s letter, we also use this…

A little smart home with a memory relay Impulse relays are excellent alternatives for lighting control from multiple locations, but they have not defeated the…

Electricmotor control with overcurrent protection 1 button 2 button 3 protection The number 1 – 2 – 3 is a coincidence in reality, but it is…