RJ11 surge protection device stands for telephone line and extensions. The induced surges during lightning flashes in telephone line generate a disturbance and interference. To avoid such menace, JMV has designed the RJ11 surge protection device which is tested as per standard IEC 61643-21.

The MDF surge protector is typically installed between the electrical source and the MDF, and it works by diverting excessive voltage and current away from the equipment and into a ground wire. This protects the equipment from damage caused by power surges or lightning strikes.

The Krone type surge protector is an effective and reliable solution for protecting electronic equipment and systems from electrical surges, and it can help ensure the safety and reliability of these systems over the long term.