The E+H HAW569 Surge Protector provides protection from overvoltage in signal cables, communication and power lines. The HAW569-CB2C can be utilized for simultaneous protection of all three with the Ex d hazardous area certification. Ex ia and SIL 2 certifications are also available. When field mounted with a 4-wire device, functionality is not impacted by voltage drops due to the impedance-free connection of the HAW569. Suitable for use in various industries including: process automation, measuring/communication technology within chemical, pharmaceutical, water and waste water sectors, as well as the food industry.