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Phoenix ContactOfficial Distributor

By Phoenix Contact

SKU
MPN
CN-UB-280DC-SB
Weight
0.146 kg
Series CN-UB

CN-UB-280DC-SB - Surge protection device

Attachment plug with replaceable surge protection for coaxial signal interfaces. Connection: N connector plug/socket

  • Easy installation with system-compliant connection
  • Use under extreme ambient conditions with robust design
  • Service-friendly with replaceable protective components
Technical Specifications

General

NoteTo meet the discharge conditions for DC voltages, please note the following information: "The surge protective device should be used together with a transmitter unit, which shuts down in the event of a short-circuit."

Product properties

IEC test classificationC1
IEC test classificationC2
IEC test classificationC3
IEC test classificationD1
TypeAttachment plug
Surge protection fault messagenone

Insulation characteristics

Overvoltage categoryIII
Pollution degree2

Connection data

Connection MethodN connector 50 Ω

Dimensions

Width25 mm
Height25 mm
Depth72 mm

Material specifications

ColorNickel
ColorCopper
Seal materialSilicon
Housing MaterialNickel-plated brass
Housing surface materialNickel
Contact surface materialAu
Inner conductor materialCuZn
Inner conductor surface materialGold
Insulation body materialPTFE
Spring contact materialCuSn

Mechanical data

Open side panelNo

Protective circuit

Direction of actionLine-Shield/Earth Ground
Maximum continuous voltage UC280 V DC
Maximum continuous voltage UC195 V AC
Rated current5 A (25 °C)
Operating effective current IC at UC≤ 1 µA
Nominal discharge current In (8/20) µs (line-ground)20 kA
Nominal discharge current In (8/20) µs (line-shield)20 kA
Pulse discharge current Iimp (10/350) µs (line-earth)2.5 kA
Pulse discharge current Iimp (10/350) µs (line-shield)2.5 kA
Total discharge current Itotal (8/20) µs20 kA
Max. discharge current Imax (8/20) µs maximum (line-earth)20 kA
Max. discharge current Imax (8/20) µs maximum (line-shield)20 kA
Nominal pulse current Ian (10/1000) µs (line-earth)100 A
Nominal pulse current Ian (10/1000) µs (line-shield)100 A
Output voltage limitation at 1 kV/µs (line-earth) spike≤ 900 V
Output voltage limitation at 1 kV/µs (line-shield) spike≤ 900 V
Voltage protection level Up (line-earth)≤ 900 V (C1 - 1 kV / 500 A)
Voltage protection level Up (line-earth)≤ 1.1 kV (C2 - 10 kV / 5 kA)
Voltage protection level Up (line-earth)≤ 1 kV (C3 - 25 A)
Voltage protection level Up (line-shield)≤ 900 V (C1 - 1 kV / 500 A)
Voltage protection level Up (line-shield)≤ 1.1 kV (C2 - 10 kV / 5 kA)
Voltage protection level Up (line-shield)≤ 1 kV (C3 - 25 A)
Response time tA≤ 100 ns
Input attenuation aE, asym.typ. 0.1 dB (≤ 1.2 GHz / 50 Ω)
Input attenuation aE, asym.typ. 0.2 dB (≤ 2.2 GHz / 50 Ω)
Cut-off frequency fg (3 dB), asym. (shield) in 50 Ω system> 3 GHz
Voltage standing wave ratio VSWR in a 50 Ω systemtyp. 1.10 (≤ 2 GHz)
Permissible HF power Pmax at VSWR = xx (50 ohm system)700 W (VSWR = 1.1)
Permissible HF power Pmax at VSWR = xx (50 ohm system)200 W (VSWR = ∞)
Capacitytyp. 1.5 pF
Surge protection fault messagenone
Impulse durability (line-earth)C1 - 1 kV / 500 A
Impulse durability (line-earth)C2 - 10 kV / 5 kA
Impulse durability (line-earth)C3 - 100 A
Impulse durability (line-earth)D1 - 2.5 kA
Impulse durability (line-shield)C1 - 1 kV / 500 A
Impulse durability (line-shield)C2 - 10 kV/5 kA
Impulse durability (line-shield)C3 - 100 A
Impulse durability (line-shield)D1 - 2.5 kA

Ambient conditions

Degree of ProtectionIP55
Ambient Temperature (Operation)-40 °C ... 80 °C
Altitude≤ 2000 m (amsl)

Standards and Regulations

Standards/specificationsIEC 61643-21
Note2000 + A1:2008
Standards/specificationsEN 61643-21
Note2001 + A1:2009

Mounting

Mounting TypeConnection-specific intermediate plugging
Accessories

Why Proax for Phoenix Contact 2818148?

Proax is an authorized distributor of Phoenix Contact 2818148 and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.

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Additional Information

Pack Size1
Recommended

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