Complete immersion heater with terminal box of cast aluminium, with a cap of polycarbonate. Element tube in stainless steel and brass head R50. The terminal box contains 2 pole thermostat 30-90°C max 16A 400V and 3 pole overheat-ing protection 110°C max 20A 400V. Tubular element of stainless. Terminal boxes and junction boxes from Pepperl+Fuchs are designed to protect signal and power distribution networks in explosion-hazardous and challenging environments. With a wide range of enclosure materials, sizes, ambient temperature ranges, and customizable configuration s, these solutions can. Silium with polycarbonate lid for installation on our G 2” element head. carbonate, intended for our 2" plug.