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Application Type Part No.
Power supply systems
®
A Inverter and main supply DEHNguard M WE 952 307
DEHNguard ®
952 923
SE CI WE with integrated backup fuse
Type 2 SPD, higher rated varistor voltage, especially
for applications with higher voltage peaks.
DEHN V SCP 900 998
Short-circuiting type 1 SPD, safe tripping of the 900 999
backup fuse when SPD overloads.

®
B Voltage supply DEHNguard M TNC 952 305
Type 2 SPD

961 145
®
C Transformer low-voltage side DEHNbloc Maxi (440 V AC)
Coordinated type 1 SPD
961 175
(760 V AC)

®
DEHNbloc Maxi CI 961 146
Coordinated type 1 SPD, especially space- and (440 V AC)
cost-saving due to integrated backup fuse. 961 176
(760 V AC)

D Transformer medium-voltage side DEHNmid 990 010
Surge arrester for medium voltage systems.

Information technology systems
Protects signal, bus or control BLITZDUCTOR XT 920 324
®
E lines, Ethernet Space-saving type 1 SPD with LifeCheck ® . (signal core)
920 371
(bus signals)
Base part BXT BAS for BLITZDUCTOR ® XT/SP 920 300
Monitoring surge arresters DEHNrecord Alert Modbus 910 694
Modbus TCP/RTU communication module to
integrate SPDs in a monitoring system.
DEHNrecord Alert MCM 910 698
Monitoring of up to 10 BXT – relays the status, the

bus address and the part number to the DEHNrecord
Alert communication unit.
DEHNrecord SCM XT 910 696
Monitoring of up to 10 BXT SPDs for
pre-damage – Fault indication both visual and
via remote signalling contact.
DEHNrecord LC M1+ 910 655
Portable device for quickly testing BXT arresters
for pre-damage.

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