BLITZDUCTOR XT Ex (i) – Protection Modules
Surge arrester for intrinsically safe measuring circuits and bus systems
Arrester consists of a protection module and a base part
Functional and attractive design
- 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 without force
- All protection components are integrated in the protection module
- Arrester with integrated RFID LifeCheck for preventive arrester monitoring
Functional and attractive 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
BXT ML4 BD EX 24
Space-saving LifeCheck-equipped surge arrester module for protecting two pairs in intrinsically safe measuring circuits and bus systems, 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.
If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by DEHNrecord LC / SCM / MCM.
Part No. 920381
BXT ML4 BD EX 24
item
GTIN: 4013364109025, customs tariff number: 85363010, gross weight: 0.03 KG, packaging unit: 1 ST
BXT ML4 BD EX 24 surge protection module with LifeCheck
BLITZDUCTOR XT surge arrester module
SPD class: type 2 / P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting two pairs of intrinsically safe
and galvanically isolated balanced interfaces,
4-20 mA, Profibus PA.
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS EX base parts
Max. input voltage acc. to EN 60079-11 (Ui): 30 V
Max. input current according to EN 60079-11 (Ii): 0.5 A
C2 Total nominal discharge current (8/20 µs) (In): 20 kA
Brand: DEHN
Type: BXT ML4 BD EX 24
Part No.: 920381
or equivalent.
BLITZDUCTOR XT surge arrester module
SPD class: type 2 / P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting two pairs of intrinsically safe
and galvanically isolated balanced interfaces,
4-20 mA, Profibus PA.
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS EX base parts
Max. input voltage acc. to EN 60079-11 (Ui): 30 V
Max. input current according to EN 60079-11 (Ii): 0.5 A
C2 Total nominal discharge current (8/20 µs) (In): 20 kA
Brand: DEHN
Type: BXT ML4 BD EX 24
Part No.: 920381
or equivalent.
BXT ML2 BD S EX 24
Space-saving LifeCheck-equipped surge arrester module for protecting one pair in intrinsically safe measuring circuits and bus systems, direct or indirect shield earthing. 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.
If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by DEHNrecord LC / SCM / MCM.
Part No. 920280
BXT ML2 BD S EX 24
item
GTIN: 4013364142138, customs tariff number: 85363010, gross weight: 0.029 KG, packaging unit: 1 ST
BXT ML2 BD S EX 24 surge arrester module with LifeCheck
BLITZDUCTOR XT surge arrester module
SPD class: type 2 / P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting one pair of intrinsically safe
and galvanically isolated balanced interfaces,
4-20 mA, Profibus PA.
Direct or indirect shield earthing
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS EX base parts
Max. input voltage acc. to EN 60079-11 (Ui): 30 V
Max. input current according to EN 60079-11 (Ii): 0.5 A
C2 Total nominal discharge current (8/20 µs) (In): 10 kA
Brand: DEHN
Type: BXT ML2 BD S EX 24
Part No.: 920280
or equivalent.
BLITZDUCTOR XT surge arrester module
SPD class: type 2 / P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting one pair of intrinsically safe
and galvanically isolated balanced interfaces,
4-20 mA, Profibus PA.
Direct or indirect shield earthing
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS EX base parts
Max. input voltage acc. to EN 60079-11 (Ui): 30 V
Max. input current according to EN 60079-11 (Ii): 0.5 A
C2 Total nominal discharge current (8/20 µs) (In): 10 kA
Brand: DEHN
Type: BXT ML2 BD S EX 24
Part No.: 920280
or equivalent.
BXT ML4 BC EX 24
Space-saving LifeCheck-equipped surge arrester module 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.
If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by DEHNrecord LC / SCM / MCM.
Part No. 920384
BXT ML4 BC EX 24
item
GTIN: 4013364109162, customs tariff number: 85363010, gross weight: 0.029 KG, packaging unit: 1 ST
BXT ML4 BC EX 24 surge arrester module with LifeCheck
BLITZDUCTOR XT surge arrester module
SPD class: type 2 / P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting four intrinsically safe single cores
of galvanically isolated interfaces
Temperature measurement
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS EX base parts
Max. input voltage acc. to EN 60079-11 (Ui): 30 V
Max. input current according to EN 60079-11 (Ii): 0.5 A
C2 Total nominal discharge current (8/20 µs) (In): 20 kA
Brand: DEHN
Type: BXT ML4 BC EX 24
Part No.: 920384
or equivalent.
BLITZDUCTOR XT surge arrester module
SPD class: type 2 / P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting four intrinsically safe single cores
of galvanically isolated interfaces
Temperature measurement
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS EX base parts
Max. input voltage acc. to EN 60079-11 (Ui): 30 V
Max. input current according to EN 60079-11 (Ii): 0.5 A
C2 Total nominal discharge current (8/20 µs) (In): 20 kA
Brand: DEHN
Type: BXT ML4 BC EX 24
Part No.: 920384
or equivalent.
BXT ML2 BD HF EX 6
Space-saving LifeCheck-equipped surge arrester module for protecting one pair in intrinsically safe measuring circuits and RS485 bus systems. Insulation strength > 500 V line-earth.
If LifeCheck detects thermal and electrical overload, the arrester has to be replaced. This status is indicated contactlessly by DEHNrecord LC / SCM / MCM.
If LifeCheck detects thermal and electrical overload, the arrester has to be replaced. This status is indicated contactlessly by DEHNrecord LC / SCM / MCM.
Part No. 920538
BXT ML2 BD HF EX 6
item
GTIN: 4013364125285, customs tariff number: 85363010, gross weight: 0.027 KG, packaging unit: 1 ST
BXT ML2 BD HF EX 6 surge arrester module with LifeCheck
BLITZDUCTOR XT surge arrester module
SPD class: type 2 / P1
tested to EN 61643-21
and energy-coordinated acc. to IEC 61643-22
for protecting one pair of intrinsically safe circuits
and galvanically isolated RS485 bus systems
Integrated LifeCheck for contactless SPD testing
Can be plugged into BXT BAS EX base parts
Max. input voltage acc. to EN 60079-11 (Ui): 4.2 V
Max. input current according to EN 60079-11 (Ii): 4.8 A
C2 Total nominal discharge current (8/20 µs) (In): 10 kA
Brand: DEHN
Type: BXT ML2 BD HF EX 6
Part No.: 920538
or equivalent.
BLITZDUCTOR XT surge arrester module
SPD class: type 2 / P1
tested to EN 61643-21
and energy-coordinated acc. to IEC 61643-22
for protecting one pair of intrinsically safe circuits
and galvanically isolated RS485 bus systems
Integrated LifeCheck for contactless SPD testing
Can be plugged into BXT BAS EX base parts
Max. input voltage acc. to EN 60079-11 (Ui): 4.2 V
Max. input current according to EN 60079-11 (Ii): 4.8 A
C2 Total nominal discharge current (8/20 µs) (In): 10 kA
Brand: DEHN
Type: BXT ML2 BD HF EX 6
Part No.: 920538
or equivalent.