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ITAK Ex (i) SPDs for Use in Potentially Explosive Atmospheres 1 1´ 2 2´ 160 81 9 100 3 3´ 4 4´ 35 • Prewired unit for two Ex(i) circuits • Self-capacitance and self-inductance negligibly small • For installation in conformity with the lightning protection zones concept at the boundaries from 0 B – 2 and higher Basic circuit diagram ITAK EXI BXT Dimension drawing ITAK EXI BXT Prewired BXT ML4 BD EX 24 and BXT BAS EX surge arrester unit completely mounted in a junction box for intrinsically safe measuring circuits, meets FISCO requirements. Type ITAK EXI BXT 24 Part No. 989 408 SPD class T SPD monitoring system LifeCheck Nominal voltage (U N ) 24 V Max. continuous operating d.c. voltage (U c ) 33 V Max. input voltage acc. to EN 60079-11 (U i ) 30 V Max. input current acc. EN 60079-11 (I i ) 0.5 A Total nominal discharge current (8/20 μs) (I n ) 20 kA Nominal discharge current (8/20 μs) per line (I n ) 5 kA Voltage protection level line-line for I n C2 (U p ) ≤ 52 V Voltage protection level line-PG for I n C2 (U p ) ≤ 1400 V Voltage protection level line-line at 1 kV/μs C3 (U p ) ≤ 45 V Voltage protection level line-PG at 1 kV/μs C3 (U P ) ≤ 1100 V Series impedance per line 1.0 ohm Cut-off frequency line-line (f G ) 7.7 MHz Capacitance line-line (C) 0.8 nF Operating temperature range -40°C...+80°C Degree of protection IP 65 For mounting on walls in Ex zones 1, 2 Connection (input/output) cable gland (M20 x 1.5) Cross-sectional area, solid 0.08 - 4 mm 2 Cross-sectional area, flexible 0.08 - 2.5 mm 2 Cross-sectional area (equipotential bonding) 4 mm 2 Tightening torque (terminals) 0.4 Nm Earthing via screw terminal on enclosure panel Enclosure material grey aluminium Test standards for installed BXT IEC 61643-21 / EN 61643-21 Approvals for installed BXT ATEX, CSA 989 408 ITAK EXI BXT 24 ITAK EXI BXT 24 989 408 Informationstechnik-Anschaltkasten Accessory for ITAK Ex (i) Mounting Set For fixing ALGA 5 X enclosures at masts and pipes Type MS ALGA 5 X Part No. 906 059 Enclosure material StSt 906 059 MS ALGA 5 X MS ALGA 5 X 906 059 Montageset für Aluminiumgehäuse 906058für Mast- und Rohrmontage NIRO 330 www.dehn.de
SPDs for Use in Potentially Explosive Atmospheres • Extremely space-saving (only 6 mm in width) • Spring-loaded connection system • ATEX and FISCO approval DEHNconnect RK Ex (i) Terminal block with integrated surge protection Two-pole terminal block of 6 mm width with integrated surge protection and cage clamp terminal. Earthing via DIN rail or terminal. DEHNconnect RK MD EX is a terminal block of 6 mm width with integrated surge protection for intrinsically safe circuits. The five cage clamp terminals protect two lines each and additional equipotential bonding with terminal equipment can be established. The snap-in fixing mechanism at the supporting foot of the base part allows the arrester to be safely earthed via the DIN rail. As the enclosure of the arrester is open to one side to minimise the width, it is advisable to use an end plate at the end of each terminal block. DCO RK MD EX with end plate min. 4 mm 2 Zones 1, 2 Installation in an Ex (i) circuit Application cable length max. 1 m min. 4 mm 2 ATEX approval for DCO RK MD EX *) *) The certificates can be downloaded at www.dehn.de www.dehn.de 331
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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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Surface-Mounted SPDs DEHNlink DLI T
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SPDs for Coaxial Connection • Plu
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SPDs for Coaxial Connection DEHNgat
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5-3000 MHz SPD No. 909 703 I N 2A U
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SPDs for Coaxial Connection DEHNgat
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Page 285 and 286: SPDs for Coaxial Connection Accesso
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 331: 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
Page 367 and 368: Lightning Equipotential Bonding Equ
Page 369 and 370: Measuring and Test Devices Conditio
Page 371 and 372: Measuring and Test Devices LifeChec
Page 373 and 374: Measuring and Test Devices SPD Test
Page 375 and 376: Measuring and Test Devices • SPD
Page 377 and 378: www.dehn.de 375
Page 379 and 380: Information and Documentation Publi
Page 381 and 382: 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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