Surge arresters to be screwed onto field devices
Parallel or series connection
Made of corrosion-resistant stainless steel
Arrester for protecting a second interface (data or power side) available
Types for Ex (i) and Ex (d) applications
For protecting intrinsically safe measuring circuits and bus systems Ex (i)
Type in a flameproof enclosure Ex (d)
Variety of approvals
Approvals depending on the arrester: IECEx, ATEX, FISCO, CSA Hazloc
Energy-coordinated two-stage arrester with gas discharge tube and diodes to earth. For unbalanced interfaces with 1/2-14 NPT thread (male/male). The earthing conductor is led through the surge arrester.