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BXT ML4 BD 180 Surge Arrester
Brand: DEHN, IncSpace-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 contactless by the DEHNrecord LC / SCM / MCM reader.
Features- LifeCheck SPD monitoring function
- Optimal protection of two pairs
- For installation in conformity with the lightning protection zone concept at the boundaries from 0A-2 and higher
Specifications
Brand
Approvals & Certifications
- ATEX DEKRA 11-ATEX-0089 X: II 3 G Ex NA IIC T4 Gc
- CE
- CSA & USA Hazloc (2516389: Class I, Div. 2, GP A, B, C, D T4, Class I, Zone 2, AEx NA IIC T4)
- GOST
- IECEx dEK 11.0032X: Ex NA IIC T4 Gc
- UL
- VDS
Approvals & Certifications
- IEC 61643-21, EN 61643-21, UL 497B
- Up to SIL 3
Capacitance
- Capacitance Line-Line: ≤ 240 PF
- Capacitance Line-PG: ≤ 16 PF
Current
- C2 Total Nominal Discharge Current (8/20 µs): 20 KA
- D1 Lightning Impulse Current (10/350 µs) Per Line: 2.5 KA
- D1 Total Lightning Impulse Current (10/350 µs), C2 Nominal Discharge Current (8/20 µs) Per Line: 10 KA
- Nominal Current at 45° C (113° F): 0.75 A
Enclosure, Body Material
- Polyamide
Environmental Protection
- IP20
Frequency
- Cut-Off Frequency Line-Line: 25 MHz
Operating Temperature
- -40° to 80° C (-40° to 176° F)
Operating Voltages
- Maximum
Resistance
- Series Resistance Per Line: 1.8 ohms
Voltage
- Nominal Voltage: 180 V
- Voltage Protection Level Line-Line at 1 kV/µs C3 (Uₚ): ≤ 250 V
- Voltage Protection Level Line-Line for Iᵢₘₚ D1 (Uₚ): ≤ 270 V
- Voltage Protection Level Line-PG for Iᵢₘₚ D1 (Uₚ) & at 1 kV/µs C3 (Uₚ): ≤ 550 V