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BLITZDUCTOR XTU LifeCheck -Modules INFORMATION TECHNOLOGY SYSTEMS
®
®
920 300 BXT BAS
BXTU ML4 BD 0-180 / PLUGGABLE SPDS FOR DIN RAIL MOUNTING
BXTU ML2 BD S 0-180

1 1‘ 1 1‘ BXT BAS 920 300
NEW i U>U N i U>U N
2 2‘ 2 2‘
i i
9 protected 9 protected
3 3‘
i
U>U N
3 3‘
4 4‘ 4 4‘
i
• Universal voltage type with Basic circuit diagram BXTU ML4 BD 0-180 Basic circuit diagram BXTU ML2 BD S 0-180
actiVsense technology
• For installation in compliance with Space-saving combined SPD module with actiVsense and LifeCheck technology for protecting lines
the lightning protection zones con- of balanced interfaces which are galvanically isolated.
cept at all boundaries from 0 A – 2 or BXTU ML4 BD 0-180: for even with different operating voltages isolated pairs
higher BXTU ML2 BD S 0-180: for one pair, with direct or indirect shield earthing
• With integrated LifeCheck monitoring Automatically detects the operating voltage of the wanted signal and optimally adjusts the volt-
function age protection level to the operating voltage currently applied.

BXTU ML4 BD 0-180 BXTU ML2 BD S 0-180
SPD class M M
SPD monitoring system LifeCheck LifeCheck
Operating voltage U N 0 - 180 V 0 - 180 V
Frequency of the operating voltage f UN ≤ 400 Hz ≤ 400 Hz
Max. continuous operating d.c. voltage U C 180 V 180 V
Max. continuous operating a.c. voltage U C 127 V 127 V
Permissible superimposed signal voltage U Signal ≤ +/- 5 V ≤ +/- 5 V
Cut-off frequency line-line (U signal, balanced 100 ohms) f G 25 MHz 25 MHz
Nominal current at 80° C I L 100 mA 100 mA
D1 Total lightning impulse current (10/350 µs) I imp 10 kA 9 kA
D1 Lightning impulse current (10/350 µs) per line I imp 2.5 kA 2.5 kA
C2 Total nominal discharge current (8/20 µs) I n 20 kA 20 kA
C2 Nominal discharge current (8/20 µs) per line I n 10 kA 10 kA
Voltage protection level line-line for I n C2 U p see diagram, line C2 see diagram, line C2
Voltage protection level line-line at 1 kV/µs C3 U p see diagram, line C3 see diagram, line C3
Voltage protection level line-line for I imp D1 U p ≤ U N + 53 V ≤ U N + 53 V
Voltage protection level line-PG for C2/C3/D1 ≤ 550 V ≤ 550 V
Series impedance per line R ≤ 10 ohms; typically 7.5 ohms ≤ 10 ohms; typically 7.5 ohms
Capacitance line-line C ≤ 200 pF ≤ 200 pF
Capacitance line-PG C ≤ 16 pF ≤ 25 pF
Operating temperature range -40°C...+80°C -40°C...+80°C
Degree of protection (SPD plugged-in) IP 20 IP 20
Pluggable into BXT BAS base part BXT BAS base part
Earthing via BXT BAS base part BXT BAS base part
Enclosure material polyamide PA 6.6 polyamide PA 6.6
Colour yellow yellow
Test standards EN 61643-21 EN 61643-21
Approvals, Certifications GOST GOST
Ordering information
Type BXTU ML4 BD 0-180 BXTU ML2 BD S 0-180
Part No. 920 349 920 249
Packing unit 1 pc(s). 1 pc(s).

• Dimension drawing of BLITZDUCTOR XT
base part with plugged-in arrester
module
• Width: 2/3 modules (12 mm), suitable
for DIN rail mounting in distribution
boards

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