Telecommunication network surge protection unit CL-DSL

for telecom applicationsfor data and telecommunication lineshigh-frequency

Product overview
The CL-DSL from CITEL provides targeted surge protection for telecommunications and internet access equipment. Designed for modern broadband technologies such as VDSL2 with (Super)Vectoring and VoIP, it limits transient overvoltages while preserving signal quality.

Key features

• Surge protection for telecommunication and data transmission lines
• Protects VDSL2, VDSL, ADSL/DSL, ISDN and analog terminals
• Extended frequency response up to 400 MHz
• Wall-mount enclosure, compact format

Electrical properties
Network compatibility: RTC, ADSL2, VDSL2
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 @25°C (IL): 750 mA
Nominal discharge current (In) - C2 category: 15 kA
Protection level (Up) - C3 (10/1000µs), 300 applications @10 A, Y-C (Line/Earth): < 280 V
Impulse current (Iimp) - 2 x 10/350µs test - D1 category: 2.5 kA

Mechanical properties
Technology: GDT + TVS diode
SPD configuration: 1 pair
Connection to network: Spring terminal, cross section 0.5–2.5 mm²
Format: Wall-mount box
Mounting: Wall mounting by screws (not supplied)
Housing material: Thermoplastic UL94 V-0
Operating temperature (Tu): -40 / +85 °C
Protection rating: IP55
Failsafe mode: Short-circuit — transmission cut-off — fault mode 2
Dimensions: See diagram
Weight: 0.130 kg

Standards / Norms
IEC 61643-21 / EN 61643-21

Documents available

• Datasheet
• CITEL_Certif_EU_CL-DSL (certification)
• Installation sheet

Technical specifications

• Model: CL-DSL
• Brand: CITEL
• Part number: 6400066
• Network compatibility: RTC, ADSL2, VDSL2
• Nominal line voltage (Un): 180 V
• Max. DC operating voltage (Uc): 180 Vdc
• Max. frequency: 400 MHz
• Insertion loss: < 3 dB
• Max. load current @25°C: 750 mA
• Nominal discharge current (In): 15 kA (C2)
• Protection level (Up): < 280 V (C3)
• Impulse current (Iimp): 2.5 kA
• Technology: GDT + TVS diode
• SPD configuration: 1 pair
• Connection: Spring terminal 0.5–2.5 mm²
• Format / Mounting: Wall-mount box, screws not supplied
• Housing: Thermoplastic UL94 V-0
• Operating temperature: -40 / +85 °C
• Protection rating: IP55
• Failsafe mode: Short-circuit — transmission cut-off (fault mode 2)
• Weight: 0.130 kg
• Standards: IEC 61643-21 / EN 61643-21