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Here’s a sourcing-ready write-up for DEHN Surge Protection Devices (SPDs), optimized for cataloging, compliance documentation, and industrial risk mitigation:

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⚡ DEHN Surge Protection Devices (SPD) – Industrial-Grade Lightning & Overvoltage Protection

DEHN, a global leader in surge protection technology, offers a comprehensive portfolio of SPDs designed to safeguard electrical infrastructure from transient overvoltages caused by lightning strikes, switching operations, and grid disturbances. Their solutions span Type 1, Type 2, and Type 3 protection levels, ensuring full compliance with IEC/EN 61643, UL 1449, and NFPA 70 standards.

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🔹 Product Families & Applications

Series	Type	Application
DEHNventil / DEHNvenCI	Type 1 + 2	Combined lightning current and surge protection for main distribution boards
DEHNguard	Type 2	Surge protection for sub-distribution and terminal equipment
DEHNshield	Type 2	Compact SPD for residential and commercial systems
DEHNbloc / DEHNgap	Type 1	Spark-gap-based lightning current arresters for industrial zones
DEHNcombo	Type 1 + 2	Integrated protection for power and signal lines
DEHNrail / DEHNpatch	Type 3	Terminal equipment and data line protection

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🛠️ Key Features

• Modular Design: Replaceable cartridges for fast maintenance
• Status Indicators: Visual and remote signaling via dry contacts
• High Discharge Capacity: Up to 600 kA per phase (select models)
• Enclosure Options: NEMA 4X, stainless steel, fiberglass for harsh environments
• Monitoring & Diagnostics: Optional surge counters and remote fault indication
• Fieldbus & Data Line Protection: Ethernet, RS-485, coaxial, and telecom interfaces

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📦 Compliance & Integration

• Standards: IEC/EN 61643-11, UL 1449 4th Ed., UL 96A, IEEE C62.41
• System Compatibility: TT, TN, IT networks; AC/DC up to 1,500 V
• Mounting: DIN rail, panel mount, service entrance, or field enclosures
• Certifications: CE, UL, ETL, CSA, VDE

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🔄 Migration Notes

• DEHN SPDs are suitable for retrofit or new installations across:
  • Industrial automation
  • Renewable energy systems
  • Oil & gas facilities
  • Data centers
  • Building management systems

List of models: 
 

Combined Type 1+2 Surge Protection Device (SPD)

955426 VT1 M TT 385 CN FM

955425 VT1 M TT 385 CN

955417 VT1 M TNS 385 CN FM

955416 VT1 M TNS 385 CN

955338 VT1 M TNC 385 CN FM

955337 VT1 M TNC 385 CN

955328 VT1 M TT2P 385 CN FM

955327 VT1 M TT2P 385 CN

955210 VT1 M TN 385 CN FM

955205 VT1 M TN 385 CN

951300 DV M TNC 255

951305 DV M TNC 255 FM

951400 DV M TNS 255

951405 DV M TNS 255 FM

951310 DV M TT 255

951315 DV M TT 255 FM

951200 DV M TN 255

951205 DV M TN 255 FM

951110 DV M TT 2P 255

951115 DV M TT 2P 255 FM

951001 DV MOD 255

951050 DV MOD NPE 50

951100 DV MOD NPE 100

961200 DVCI 1 255

961205 DVCI 1 255 FM

941300 DSH TNC 255

941305 DSH TNC 255 FM

941400 DSH TNS 255

941405 DSH TNS 255 FM

941310 DSH TT 255

941315 DSH TT 255 FM

941200 DSH TN 255

941205 DSH TN 255 FM

941110 DSH TT 2P 255

941115 DSH TT 2P 255 FM

900360 DVA CSP 3P 100 FM

900361 DVA CSP 1P 50 FM

900367 DVA CSP 3P 100 S FM

941116 DSH B TT 2P 255 FM

941206 DSH B TN 255 FM

Type 1 Lightning Current Surge Protection Device (SPD)

961120 DB M 1 255

961130 DB M 1 320

961125 DB M 1 255 FM

961135 DB M 1 320 FM

961140 DBM 1 440

961145 DBM 1 440 FM

961175 DBM 1 760 FM

971121 DSE M 1 60

971126 DSE M 1 60 FM

971125 DSE M 1 220 FM

961101 DGP M 255

961105 DGP M 255 FM

961180 DGP M 1 255

961185 DGP M 1 255 FM

961160 DGP M 440

961165 DGP M 440 FM

Type 2 Lightning Current Surge Protection Device (SPD)

952440 DG M TNS ACI 275 FM

952342 DG M TT ACI 385 FM

952341 DG M TT ACI 275 FM

952122 DG M TT 2P ACI 385 FM

952121 DG M TT 2P ACI 275 FM

900456 DG TT 20 340

900463 DG TT 10 340

900454 DG TT 2P 10 340 SA

900451 DG TT 2P 20 340

952333 DG M TNC 275 CN

952335 DG M TNC 385 CN

952334 DG M TNC 275 CN FM

952336 DG M TNC 385 CN FM

952343 DG M TT 275 CN

952428 DG M TT 385 CN

952344 DG M TT 275 CN FM

952427 DG M TT 385 CN FM

952443 DG M TNS 275 CN

952414 DG M TNS 385 CN

952444 DG M TNS 275 CN FM

952415 DG M TNS 385 CN FM

952203 DG M TN 275 CN

952204 DG M TN 275 CN FM

952103 DG M TT 2P 275 CN

952324 DG M TT 2P 385 CN

952104 DG M TT 2P 275 CN FM

952326 DG M TT 2P 385 CN FM

952102 DG S 275 CN

952106 DG S 385 CN

952105 DG S 275 CN FM

952109 DG S 385 CN FM

952114 DG S 600 CN FM

952426 DG S WE 600 CN FM

952425 DG M TNS WE600 CN FM

950300 DG MHI TNC 80 385

950305 DG MHI TNC 80 385 FM

950400 DG MHI TNS 80 385

950405 DG MHI TNS 80 385 FM

950310 DG MHI TT 80 385

950315 DG MHI TT 80 385 FM

950240 DG MHI TN 80 385

950245 DG MHI TN 80 385 FM

950110 DG MHI TT2P 80 385

950115 DG MHI TT2P 80 385 FM

950311 DG MPR TT 70 385

950316 DG MPR TT 70 385 FM

950221 DG MPR TT2P 70 385

950226 DG MPR TT2P 70 385 FM

952575 DG M YPV 1000 CN FM

952046 DG MOD PV 500 CN

952050 DG MOD NPE

952060 DGP C MOD

952035 DGP C S FM

952030 DGP C S

950112 DG 1000 FM

950102 DG 1000

952041 DG MOD PV 500

952051 DG MOD PV SCI 500

952017 DG MOD 750

952016 DG MOD 600

952015 DG MOD 440

952014 DG MOD 385

952013 DG MOD 320

952010 DG MOD 275

952012 DG MOD 150

952011 DG MOD 75

952018 DG MOD 48

952041 DG MOD PV 500

952089 DG S 385 VA FM

952051 DG MOD PV SCI 500

952087 DG S 275 VA FM

952300 DG M TNC 275

952314 DG M TNC 385

952303 DG M TNC 440

952318 DG M TNC 150 FM

952305 DG M TNC 275 FM

952319 DG M TNC 385 FM

952308 DG M TNC 440 FM

952400 DG M TNS 275

952404 DG M TNS 385

952405 DG M TNS 275 FM

952409 DG M TNS 385 FM

952310 DG M TT 275

952320 DG M TT 320

952311 DG M TT 385

952328 DG M TT 150 FM

952315 DG M TT 275 FM

952325 DG M TT 320 FM

952316 DG M TT 385 FM

952200 DG M TN 275

952205 DG M TN 275 FM

952110 DG M TT 2P 275

952130 DG M TT 2P 320

952111 DG M TT 2P 385

952115 DG M TT 2P 275 FM

952135 DG M TT 2P 320 FM

952116 DG M TT 2P 385 FM

952302 DG M WE 600

952307 DG M WE 600 FM

952078 DG S 48

952071 DG S 75

952072 DG S 150

952070 DG S 275

952073 DG S 320

952074 DG S 385

952075 DG S 440

952076 DG S 600

952098 DG S 48 FM

952091 DG S 75 FM

952092 DG S 150 FM

952090 DG S 275 FM

952093 DG S 320 FM

952094 DG S 385 FM

952095 DG S 440 FM

952096 DG S 600 FM

952077 DG S WE 600

952097 DG S WE 600 FM

950226 DG MPR TT2P 70 385 FM

Type 3 Surge Protection Device (SPD)

953201 DR M 2P 30

953200 DR M 2P 255

953206 DR M 2P 30 FM

953205 DR M 2P 255 FM

953400 DR M 4P 255

953405 DR M 4P 255 FM

953011 DR MOD 30

953010 DR MOD 255

953020 DR MOD 4P 255

SPD Backup Protector

955511 SCB T1 12.5 1P CN

955521 SCB T2 40 1P CN

955531 SCB T2 80 1P CN

BXT Signal Line Surge Protection (SPD)

920320 BXT ML4 BE 5

920322 BXT ML4 BE 12

920324 BXT ML4 BE 24

920336 BXT ML4 BE 36

920325 BXT ML4 BE 48

920326 BXT ML4 BE 60

920327 BXT ML4 BE 180

920340 BXT ML4 BD 5

920342 BXT ML4 BD 12

920344 BXT ML4 BD 24

920345 BXT ML4 BD 48

920346 BXT ML4 BD 60

920347 BXT ML4 BD 180

920370 BXT ML4 BE HF 5

920371 BXT ML4 BD HF 5

920375 BXT ML4 BD HF 24

920247 BXT ML2 BD 180

920270 BXT ML2 BE HFS 5

920271 BXT ML2 BD HFS 5

920211 BXT ML2 B 180

920298 BXT M2 BSL 12 CN

920299 BXT M3 BSG HF 5 CN

926298 BSP M2 BSL 24 CN

926275 BSP M2 BD HF 24

926271 BSP M2 BD HF 5

926270 BSP M2 BE HF 5

926247 BSP M2 BD 180

926246 BSP M2 BD 60

926245 BSP M2 BD 48

926244 BSP M2 BD 24

926240 BSP M2 BD 5

926227 BSP M2 BE 180

926226 BSP M2 BE 60

926225 BSP M2 BE 48

926224 BSP M2 BE 24

926222 BSP M2 BE 12

926220 BSP M2 BE 5

926375 BSP M4 BD HF 24

926371 BSP M4 BD HF 5

926370 BSP M4 BE HF 5

926347 BSP M4 BD 180

926346 BSP M4 BD 60

926345 BSP M4 BD 48

926344 BSP M4 BD 24

926342 BSP M4 BD 12

926340 BSP M4 BD 5

926327 BSP M4 BE 180

926326 BSP M4 BE 60

926325 BSP M4 BE 48

926324 BSP M4 BE 24

926322 BSP M4 BE 12

926320 BSP M4 BE 5

920349 BXT ML4 BD 0-180

920249 BXTU ML2 BD S 0-180

917988 DCO SD2 E 24

917941 DCO SD2 MD 24

918400 BVT TTY 24

918411 BVT TC 1

918422 BVT AVD 24

918401 BVT RS485 5

929963 DPI CD EXI 24 N

929126 DPA M CLD RJ45B 48

929121 DPA M CLE RJ45B 48

924017 FS 9E PB 6

929010 UGKF BNC

919987 DCO RK E 12

919988 DCO RK E 24

917921 DCO SD2 ME 24

917941 DCO SD2 MD 24

952577 DG M YPV 1500 CN FM

927988 BCO CL2 E24

900612 MVS 1 57

955514 SCB T1 12.5 4P CN

955534 SCB T2 80 4P CN

955524 SCB T2 40 4P CN

955428 VT2 M TT 385 CN FM

954315 DV M2 TT 255 FM

918442 BVT RJ45 220

918441 BVT RJ45 24