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BLITZDUCTOR XT modules
®
with LifeCheck ®
Data networks and measuring and control systems include The BLITZDUCTOR XT series easily masters this task: The
numerous interfaces that place different requirements on the modules, which can be plugged into the base part, are
performance of the protection components. The function of adapted to the different interfaces, thus providing protection
arresters is not only to protect the interface against lightning and availability for the signal circuits and system components.
strikes and surges, but also to transmit system-relevant signal
parameters.
®
BLITZDUCTOR XT modules:
1 1´ 1 1´
Type Features
2 2´ 2 2´
BXT ML2 Protection of two single cores or one
pair protected
protected
BXT ML4 Protection of four single cores or two 3 3´
pairs 3 3´
BXT ML.B Lightning current arrester 4 4´ 4 4´
BXT ML.BE Combined arrester for unbalanced
interfaces; with common reference
potential (earth) Fine limitation of surges (core- Fine limitation of surges (core-
to-core) for protection against to-earth) for protection against
BXT ML.BD Combined arrester for balanced inter- balanced interference unbalanced interference
faces; electrically isolated, unearthed
BXT ML...HF Combined arrester for high-frequency
signal circuits
1 1´ 1 1‘
BXT ML2...S Protection of two single cores or one ϑ
pair; additional contacts for direct / 2 ϑ 2´ 2 2‘
indirect shield earthing
protected protected
BXT ML.BD EX Protection of intrinsically safe measu-
ring circuits in potentially explosive 3 ϑ 3´
atmospheres 3 3‘
4 4´
BXT BPD 24 ML4 Protection of 24 V DC systems with ϑ 4 4‘
earthed negative poles
BXT M2 BD HC5A 24 Protection of system circuits with
currents up to 5 A Circuit diagram Circuit diagram
BXT ML4 BPD 24 BXT M2 BD HC5A 24
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