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protected BLITZDUCTOR ® XT Ex (i) Surge arrester SPDs for Use in Potentially Explosive Atmospheres • Effective protection with minimum space requirements • For two-pole, three-pole or four-pole intrinsically safe interfaces • Function-optimised design for safe use and easy installation • Quick testing of LifeCheck-equipped protection modules • ATEX, FISCO approval Pluggable, multipole, universal surge arrester for use in intrinsically safe systems with integrated LifeCheck monitoring device BLITZDUCTOR XT EX is a pluggable, four-pole, universal DIN rail mounted surge arrester designed for the most stringent requirements on the availability of intrinsically safe measuring and control circuits and bus systems. With regard to intrinsic safety, the arrester is considered earth-free and its self-inductance and self-capacitance are negligibly small. The lowimpedance arrester design ensures a high impulse current discharge capacity (min. 10x) and a low voltage protection level. LifeCheck allows quick and easy testing of arresters. However, the protection modules may only be read out by means of the hand-held DRC LC reader in non-explosive atmospheres. Integrated into the protection modules, LifeCheck permanently monitors the proper condition of the arrester. Like an early warning system, LifeCheck reliably detects imminent electrical or thermal overload of the protection components. The LifeCheck status can be read out within a matter of seconds by means of the hand-held DEHNrecord LC reader via contactless RFID technology and also shows the date of the last test of the protection module. A stationary condition monitoring system allows condition-based maintenance of 10 BXT arresters. To ensure safe operation, the arrester provides protection against vibration effects and shock up to a 30-fold acceleration of gravity. The function-optimised design of the devices allows quick and easy replacement of protection modules which house all relevant protection elements. The protection module and the base part must be ordered separately. Completely installed BLITZDUCTOR XT EX. Two-part design with universal base part and application-specific protection module. Particularly space-saving, for DIN rail mounting. Universal base part accommodates all types of protection modules. The protection modules can be easily removed from the base part without signal interruption thereby minimising storage requirements as well as prewiring and maintenance operations. BLITZDUCTOR XT EX Base part 90 7 12 (2/3 mods.) 43 66 Dimension drawing 45 Dimension drawing of a BLITZDUCTOR XT EX base part with protection module. Width: 2/3 modules (12 mm), for use in distribution boards with DIN rails. Four different versions BXT ML4 BD EX 24: Universal LifeCheck-equipped surge arrester module for protecting two intrinsically safe circuits such as 4-20 mA, HART, PROFIBUS. BXT ML2 BD S EX 24: LifeCheck-equipped universal surge arrester module for one intrinsically safe circuit such as 4-20 mA, PROFIBUS. Optionally available with direct/indirect shield earthing. BXT ML4 BC EX 24: For protecting, for example three or fourwire temperature measuring systems. BXT ML2 BD HF EX 6: For protecting one pair for fast data transmission and supply currents up to 4.8 A. 320 www.dehn.de
SPDs for Use in Potentially Explosive Atmospheres BLITZDUCTOR ® XT Ex (i) Approvals ATEX approval for BXT EXI * ) *) The certificates can be downloaded at www.dehn.de www.dehn.de 321
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Surge Protection Main Catalogue 201
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Contents Page Our promise - DEHN pr
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DEHN protects Our family-owned comp
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DEHN - worldwide Algeria Argentina
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DEHN - Safety according to Specific
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DEHN - Technical Definitions Lightn
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Surge protection for POWER SUPPLY S
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Contents Easy Choice 15 Combined SP
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S-Schutz Easy Choice L1 L2 L3 N PE
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Easy Choice L1 L2 L3 N PE 3 A 1 Arr
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S-Schutz Easy Choice L1 L2 L3 N PE
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Easy Choice L1 L2 L3 PEN SPD Type 2
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ÜBERSPANNUNGSSCHUTZ DEFECT FUNCTIO
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Easy Choice of SPDs for Use on roof
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DEHN-FUNKENSTRECKEN-TECHNOLOGIE INS
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Combined SPDs - Type 1 DEHNventil
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DEHNventil ® modular DEHNventil M
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Protection Module for DEHNventil ®
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L L' N/PE(N) Combined SPDs - Type 1
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DEHNshield ® Combined SPDs - Type
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DEHNlimit PV 1000 V2 (FM) Combined
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Coordinated Type 1 Lightning Curren
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L L' Coordinated Type 1 Lightning C
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Accessory for Type 1 Arresters DEHN
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DEHNsecure M DEHNsecure M 2P ... (F
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Type 1 Lightning Current Arresters
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Type 1 Lightning Current Arresters
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N-PE Lightning Current Arresters
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N-PE Lightning Current Arresters DE
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N-PE Lightning Current Arresters 30
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Type 2 Surge Arresters • Arrester
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S Type 2 Surge Arresters DEHNguard
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Type 2 Surge Arresters DEHNguard ®
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Type 2 Surge Arresters • Specific
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Type 2 Surge Arr. for Use in PV Sys
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Type 2 Surge Arresters for Use in P
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Type 2 Surge Arresters for Use in P
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S Type 2 Surge Arresters Protection
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Type 2 Surge Arresters • High dis
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Type 2 Surge Arresters • Surge ar
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Type 2 Surge Arresters V NH / VA NH
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Type 3 Surge Arresters • Two-pole
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Type 3 Surge Arresters DEHNrail mod
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Type 3 Surge Arresters DEHNrail mod
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Type 3 Surge Arresters • Protecti
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Type 3 Surge Arresters SPS Protecto
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Type 3 Surge Arresters DEHNsafe 31
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Type 3 Surge Arresters NSM Protecto
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Type 3 Surge Arresters STC Module 5
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Type 3 Surge Arresters DEHNflex DEH
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Type 3 Surge Arresters DEHNflex DEH
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12 11 L N 12 11 Type 3 Surge Arrest
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Type 3 Surge Arresters DEHNprotecto
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Type 3 Surge Arresters • Surge pr
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Type 3 Surge Arresters L/N SFL Prot
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General Accessory DEHNpanel • Vis
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General Accessory • Allows an EMC
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General Accessory Insulating Enclos
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General Accessory Busbars / Modular
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Surge protection for INFORMATION TE
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1 2 3 4 5 6 7 8 9 0 Contents Easy c
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Easy Choice according to Interface
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SPDs for Information Technology Sys
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LifeCheck ® SPD Test SPD diagnosti
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Pluggable DIN Rail Mounted SPDs •
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Pluggable DIN Rail Mounted SPDs BLI
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Pluggable DIN Rail Mounted SPD BLIT
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BLITZDUCTOR ® XT LifeCheck ® Modu
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Pluggable DIN Rail Mounted SPDs Acc
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Compact DIN Rail Mounted SPDs • M
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Compact DIN Rail Mounted SPDs DEHNc
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Compact DIN Rail Mounted SPDs Acces
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Compact DIN Rail Mounted SPDs BLITZ
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D P M P Compact DIN Rail Mounted SP
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SPDs for LSA Technology • Variabl
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SPDs for LSA Technology DEHNrapid
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SPDs for LSA Technology Accessories
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SPDs for LSA Technology • Suitabl
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SPDs for LSA Technology • Premoun
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SPDs for 482.6 mm (19 inch) Data Ca
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SPDs for RJ Connection • Patch ca
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SPDs for RJ Connection DEHNpatch DE
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SPDs for RJ Connection BLITZDUCTOR
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SPDs for RJ Connection • Surge ar
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Surface-Mounted SPDs • Combined l
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DEHNbox Surface-Mounted SPDs 93 54
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Surface-Mounted SPDs DEHNlink DLI I
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Page 273 and 274: SPDs for Coaxial Connection • Plu
Page 275 and 276: SPDs for Coaxial Connection DEHNgat
Page 277 and 278: 5-3000 MHz SPD No. 909 703 I N 2A U
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Page 287 and 288: SPDs for D-SUB Connection • Surge
Page 289 and 290: SPDs for D-SUB Connection FS / USD
Page 295 and 296: a1 b1 a2 b2 SPDs for Terminal Conne
Page 297 and 298: SPDs for Terminal Connection DSM DS
Page 299 and 300: SPDs for Terminal Connection BUStec
Page 301 and 302: DEHNpipe DEHNpipe arrester series f
Page 303 and 304: 929 941 DPI MD 24 M 2S DPI MD 24 M
Page 305 and 306: Screwable SPDs Accessories for DEHN
Page 307 and 308: SPDs for Use in Potentially Explosi
Page 321: SPDs for Use in Potentially Explosi
Page 335 and 336: Accessory for Terminal Block System
Page 345 and 346: Combined Adapters • Surge protect
Page 347 and 348: 909 310 DPRO 230 NT DPRO 230 NT 909
Page 349 and 350: 909 321 DPRO 230 LAN100 DPRO 230 LA
Page 351 and 352: Lightning Equipotential Bonding Iso
Page 361 and 362: Lightning Equipotential Bonding Pip
Page 365 and 366: Lightning Equipotential Bonding Equ
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Page 369 and 370: Measuring and Test Devices Conditio
Page 371 and 372: Measuring and Test Devices LifeChec
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Measuring and Test Devices SPD Test
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Measuring and Test Devices • SPD
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www.dehn.de 375
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Information and Documentation Publi
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Literature IEC 61643-21:2009-04 Low
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Key to Symbols used in Basic Circui
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Part No. Index Part No. Type Page P
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Part No. Index Part No. Type Page P
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Type / Product Index Type Part No.
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Surge Protection Lightning Protecti
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