Data line protection device for telecommunications equipment

Part Number 6400066
  • Surge protection for telecommunication applications
  • Protection of VDSL2, VDSL, DSL, ISDN and analog terminals
  • Extended frequency range up to 400 MHz
  • Wall mounting

A stable Internet connection has become even more important in recent times. Whether streaming or private and professional video conferencing from home - a failure of the Internet connection significantly affects our usual everyday life. With the new CL-DSL, CITEL offers reliable protection of this important facility against the effects of transient surges and lightning events. Optimized for state-of-the-art communication technology such as VDSL2 with (Super )Vectoring and VoIP, the CL-DSL offers all the technical prerequisites for the best possible protection of the connected end devices.

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Nominal line voltage
Un 180 V
Max. DC operating voltage
Uc 180 Vdc
Max. frequency
f max. 400 MHz
Insertion loss
< 3 dB
Max. load current
IL 750 mA
Protection level
Following the test category C3 (IEC61643-21) - Line/PE
Up < 280 V
Impulse current
2 x 10/350µs Test - D1 Category
Iimp 2.5 kA
Nominal discharge current
C2 Category
In 15 kA
GDT+Clamping diode
SPD configuration
1 pair
Connection to Network
Spring terminal: cross section 0.5-2.5mm²
Wall mounting box
Wall mounting by screws (not supplied)
Housing material
Thermoplastic UL94 V-0
Operating temperature
Tu -40/+85°C
Protection rating
Failsafe mode
Short-circuit - transmision cut-off - fault mode 2
See diagram
0.130 kg
Standards compliance
IEC 61643-21 / EN 61643-21