Page 166 - Surge-Protection-E_0.pdf

Pluggable SPDs – DIN Rail Mounted

BLITZDUCTOR XT
• 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
Pluggable SPDs – DIN Rail Mounted • SPD consists of a protection module and a base part
– High signal availability thanks to preventive replacement
of arresters

– All protection components integrated in the protection module
BLITZDUCTOR XT with an earthing module (grey). The lines can be tested by means – Vibration and shock-tested for safe operation
of the measuring module (grey with lines) without disconnecting the terminals. – Two universal base parts with / without signal disconnection
– Minimum space requirements, 4 single lines or 2 pairs over
a width of 12 mm

BLITZDUCTOR XT combined arresters are pluggable and universal multi- with non-contact RFID technology. RFID LifeCheck also saves and indicates
pole DIN rail mounted lightning current and surge arresters for protecting the date of the last test of the protection module. A stationary condition
measuring and control circuits, bus systems and telecommunication sys- monitoring system permanently monitors the condition of up to 10 BXT
tems. They are particularly useful in installations and systems with high arresters.
requirements on availability. To ensure effective protection of terminal The module locking system ensures safe operation. Thus, the arrester pro-
equipment under lightning and overvoltage conditions, BLITZDUCTOR XT vides protection against vibration and shock up to a 30-fold acceleration
arresters combine the permanently high impulse current discharge capac- of gravity. The function-optimised design of the arrester ensures both fast
ity of a lightning current arrester with the low voltage protection level of and easy replacement of the protection modules which house all relevant
a surge arrester. protection elements.
RFID LifeCheck technology allows quick and easy testing of arresters with- A wide range of accessories makes BLITZDUCTOR XT arresters particularly
out removing the module from the system. Integrated in the protection easy to use. Elements for earthing unused lines or easily testing signal
modules, RFID LifeCheck permanently monitors the operating state of the circuits round off the product range.
arrester and acts like an early warning system, detecting imminent electri-
cal or thermal overload of the protection components. The status of the The protection module and base part must be ordered separately!
arrester can be read in a second by the portable DEHNrecord LC reader

Two-part design with universal base The module locking mechanism All protection elements are integrat- EMC spring terminal (accessory) for
part and application-specific protec- ensures that the module is vibra- ed in the plug-in module and are permanent low-impedance shield
tion module. tion-proof and protected against po- monitored by means of LifeCheck. contact.
larity reversal.

BLITZDUCTOR XT – Protection Modules with LifeCheck
BXT ML4 B 180
920 310 BXT ML4 B 180
Space-saving four-pole lightning current arrester module with RFID LifeCheck feature for almost all applications. For use in connection with
920 310 4013364109124 04 02 01 02 25 g
113,90 € downstream Q surge arresters or combined lightning current and surge arresters with a lower or equal voltage level.
Type BXT ... ML4 B 180
Part No. 920 310
SPD class H
1 1´ Max. continuous operating voltage (d.c.) (UC) 180 V
Nominal current at 45 °C (IL) 1.2 A
2 2´
D1 Total lightning impulse current (10/350 µs) (Iimp) 10 kA
protected C2 Total nominal discharge current (8/20 µs) (In) 20 kA
Series resistance per line 0.4 ohm(s)
3 3´
Approvals CSA, EAC, ATEX, IECEx, CSA & USA Hazloc, SIL
4 4´

162 You will find detailed product information on our website Valid as of August 1, 2020