Teseq CDN 118A - Symmetrical Line Surge CDN

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Teseq Symmetrical Line CDN:

  • Couples both 1.2/50μs or 10/700μs pulse
  • Usable with Many Generators with Connector
  • Max Voltage 6.6kV L/G, 3kV L/L
  • Coupler for up to 8 Signal Lines
  • Compliant CDN for IEC 61000-4-5 Ed.3

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Data/Telecom CDN Equipment

Description

CDN Unsymmetrical Lines Features 

      • Surge Testing Unshielded Symmetrical Telecom Lines
      • ISO 17025 Calibration & 2 Days Free Transit
      • Complies with IEC 61000-4-5 edition 3
      • Compatible with 1.2/50μs & 10/700μs Pulses
      • Complete set includes all accessories
      • Ideal for use with EM Test NX5 & NX7

Overview

Teseq’s CDN 118 coupling-decoupling network is designed for convenient surge testing of telecommunications equipment to IEC/EN 61000-4-5, which specifies a 1.2/50 μs or a 10/700 μs pulse. It includes the special decoupling network and coupling elements that are required for these tests.  The design of the CDN is given in IEC 61000-4-5 Ed.3 Figure 10 and A.4. It can be easily interfaced with the EUT and is designed as a bench top unit. It can be used with Teseq’s NSG series or any industry standard surge generator with the appropriate connector adapter.

The user can manually select coupling modes by connecting the generator’s output to the appropriate input. All coupling methods described in the standard can be configured with the CDN 118. Two CDN 118 main units can be arranged in parallel for testing eight line applications (low speed transmission only). It requires to combine CDN 118-T4 with the option CDN 118-EXT-1..


Data Sheet User Manual CDN 118 Manual CDN 117 & 118

Specifications

Technical specifications

CDN 118

Max operating voltage AC 250 V, DC 250 V
Max operating current 0.5 A
Ohmic resistance per path 3 Ω
Decoupling chokes 1 kHz 20 mH nominal
Transmission 3 dB BW 250 kHz
Symmetrical stray inductance approx. 50 µH (pair, @1 kHz)
Connectors 4 mm safety banana

Pulse 1.2/50 μs and 10/700 μs pulse
Max. pulse voltage 6.6 kV line to ground, 3 kV line to line
Min. generator impedance 2 Ω for 1.2/50 μs, 15 Ω for 10/700 μs
Series resistor in relation to the selected pulse coupling network
Max. pulse frequency 3 per minute
Connectors Fischer 103
Size (W x H x D) in mm 335 x 232 x 180
Weight approx. 19.5 kg

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