DEHN BLITZDUCTOR XT 4P for Pt100. Pt1000. Ni1000 i EX i kretser for 2 par

Surge arrester for intrinsically safe measuring circuits and bus systems
Maximum discharge capacity for two-pole, three-pole or four-pole interfaces
Low voltage protection level, capable of protecting terminal equipment
Wide range of approvals: ATEX, IECEx, CSA Hazloc

Arrester consists of a protection module and a base part
Easy replacement of protection modules
All protection components are integrated in the protection module
Arrester with integrated LifeCheck for preventive arrester monitoring 

Functional and appealing design
DIN rail mounted arrester with integrated earthing
Minimum space requirements, two pairs over a width of 12 mm
Vibration and shock-tested for safe operation

Space-saving surge arrester module with LifeCheck feature for protecting up to four unearthed single lines sharing a common reference potential in intrinsically safe measuring circuits, meets FISCO requirements. ATEX. Insulation strength > 500 V line-earth.
If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by DEHNrecord LC / SCM / MCM.