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BLITZDUCTOR XT – Protection Modules

Combined lightning current and surge arrester
  • Maximum discharge capacity for two-pole, three-pole or four-pole interfaces
  • Capable of carrying lightning currents up to 10 kA (10/350 µs)
  • Low voltage protection level, capable of protecting terminal equipment

With integrated LifeCheck monitoring
  • Arrester testing during operation
  • Detection of pre-damaged arresters
  • High signal availability thanks to preventive replacement of arresters

SPD consists of a protection module and a base part
  • Vibration and shock-tested for safe operation
  • All protection components integrated in the protection module
  • Two universal base parts with / without signal disconnection
  • Minimum space requirements, 4 single lines or 2 pairs over a width of 12 mm

40 Products

BXT ML4 B 180

Space-saving four-pole lightning current arrester module with LifeCheck feature for almost all types of applications. For use in connection with downstream <sChar id=""typen17""/> surge arresters or combined lightning current and surge arresters with a lower or equal voltage level. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920310
BXT ML4 B 180
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BXT ML4 BE

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting four single lines sharing a common reference potential as well as unbalanced interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920320
BXT ML4 BE 5
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BXT ML4 BE

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting four single lines sharing a common reference potential as well as unbalanced interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920322
BXT ML4 BE 12
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BXT ML4 BE

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting four single lines sharing a common reference potential as well as unbalanced interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920324
BXT ML4 BE 24
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BXT ML4 BE

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting four single lines sharing a common reference potential as well as unbalanced interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920336
BXT ML4 BE 36
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BXT ML4 BE

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting four single lines sharing a common reference potential as well as unbalanced interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920325
BXT ML4 BE 48
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BXT ML4 BE

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting four single lines sharing a common reference potential as well as unbalanced interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920326
BXT ML4 BE 60
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BXT ML4 BE

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting four single lines sharing a common reference potential as well as unbalanced interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920327
BXT ML4 BE 180
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BXT ML4 BD

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting two pairs of unearthed balanced interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by theDEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920340
BXT ML4 BD 5
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BXT ML4 BD

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting two pairs of unearthed balanced interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920342
BXT ML4 BD 12
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BXT ML4 BD

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting two pairs of unearthed balanced interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920344
BXT ML4 BD 24
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BXT ML4 BD

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting two pairs of unearthed balanced interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920345
BXT ML4 BD 48
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BXT ML4 BD

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting two pairs of unearthed balanced interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920346
BXT ML4 BD 60
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BXT ML4 BD

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting two pairs of unearthed balanced interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920347
BXT ML4 BD 180
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BXT ML4 BPD 24

Space-saving combined arrester module with LifeCheck for protecting two pairs in 24 V d.c. systems. Can also be used for systems with earthed negative poles. Integrated PTC resistors allow to reliably the arrester to be safety reset after the system circuit has been affected by short-circuit currents up to 40 A. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920314
BXT ML4 BPD 24
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BXT ML4 BC

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting max. four unearthed single lines sharing a common reference potential. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920350
BXT ML4 BC 5
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BXT ML4 BC

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting max. four unearthed single lines with common reference potential. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920354
BXT ML4 BC 24
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BXT ML4 BE C

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting two pairs of balanced interfaces with diode protective circuit at the input, current loops (TTY) and optocoupler inputs. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920362
BXT ML4 BE C 12
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BXT ML4 BE C

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting two pairs of balanced interfaces with diode protective circuit at the input, current loops (TTY) and optocoupler inputs. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920364
BXT ML4 BE C 24
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BXT ML4 BE HF 5

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting four single lines sharing a common reference potential as well as high-frequency transmission systems without galvanic isolation. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920370
BXT ML4 BE HF 5
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BXT ML4 BD HF

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting two pairs of high-frequency bus systems or video transmission systems. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920371
BXT ML4 BD HF 5
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BXT ML4 BD HF

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting two pairs of high-frequency bus systems or video transmission systems. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920375
BXT ML4 BD HF 24
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BXT ML4 MY

Space-saving surge arrester module with LifeCheck feature for protecting four lines of stranded signal interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920388
BXT ML4 MY 110
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BXT ML4 MY

Space-saving surge arrester module with LifeCheck feature for protecting four lines of stranded signal interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920389
BXT ML4 MY 250
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BXT ML2 BD 180

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting one pair of unearthed balanced interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920247
BXT ML2 BD 180
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BXT ML2 BD S

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting one pair of unearthed balanced interfaces, with direct or indirect shield earthing. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920240
BXT ML2 BD S 5
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BXT ML2 BD S

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting one pair of unearthed balanced interfaces, with direct or indirect shield earthing. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920242
BXT ML2 BD S 12
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BXT ML2 BD S

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting one pair of unearthed balanced interfaces, with direct or indirect shield earthing. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920244
BXT ML2 BD S 24
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BXT ML2 BD S

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting one pair of unearthed balanced interfaces, with direct or indirect shield earthing. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920245
BXT ML2 BD S 48
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BXT ML2 BE S

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting two single lines sharing a common reference potential as well as unbalanced interfaces, with direct or indirect shield earthing. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920220
BXT ML2 BE S 5
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BXT ML2 BE S

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting two single lines sharing a common reference potential as well as unbalanced interfaces, with direct or indirect shield earthing. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920222
BXT ML2 BE S 12
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BXT ML2 BE S

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting two single lines sharing a common reference potential as well as unbalanced interfaces, with direct or indirect shield earthing. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920224
BXT ML2 BE S 24
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BXT ML2 BE S

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting two single lines sharing a common reference potential as well as unbalanced interfaces, with direct or indirect shield earthing. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920226
BXT ML2 BE S 36
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BXT ML2 BE S

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting two single lines with common reference potential as well as unbalanced interfaces, with direct or indirect shield earthing. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920225
BXT ML2 BE S 48
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BXT ML2 BE HFS 5

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting one pair of high-frequency transmissions without galvanic isolation, with direct or indirect shield earthing. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920270
BXT ML2 BE HFS 5
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BXT ML2 BD HFS 5

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting one pair of unearthed high-frequency bus systems or video transmission systems, with direct or indirect shield earthing. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920271
BXT ML2 BD HFS 5
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BXT ML2 B 180

Space-saving two-pole lightning current arrester module with LifeCheck feature and shield earthing for almost all applications. For use in conjunction with downstream <sChar id=""typen17""/> surge arresters or combined lightning current and surge arresters with a lower or equal voltage level. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920211
BXT ML2 B 180
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BXT ML2 BD DL S 15

Space-saving combined lightning current and surge arrester module with LifeCheck feature for protecting one pair of unearthed balanced interfaces, which specifically fulfils the requirements of Dupline buses, direct or indirect shield earthing. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920243
BXT ML2 BD DL S 15
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BXT ML2 MY 250

Space-saving surge arrester module with LifeCheck feature for protecting two lines of stranded signal interfaces up to 250 V a.c. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.
Art.-Nr. 920289
BXT ML2 MY 250
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BXT M2 BD HC5A 24

Space-saving combined lightning current and surge arrester module for protecting 1 pair of unearthed balanced interfaces. The module is adapted to interfaces with direct currents up to 5 A, e.g. for controlling motor-driven actuators with high starting and operating currents.
Art.-Nr. 920296
BXT M2 BD HC5A 24
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