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Com-Power CDN-M425E 3-Phase + Earth Coupling Decoupling Network

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  • 150 MHz to 230 MHz Frequency Range
  • Designed for IEC / EN 61000-4-6
  • Four conductor power cable
  • Individual Calibration Included
  • Three Year Warranty

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1 Unit

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Specifications

Voltage Rating 250 V AC / 350 V DC (Line to Ground)
Frequency Range 150 kHz to 230 MHz
Standards Met IEC / EN 61000-4-6
RF Connector 50 Ω BNC (Female)
Mains & EUT Connections 4 mm shrouded banana sockets
Common Mode Impedance 150 kHz - 26 MHz: 150Ω ± 20Ω 26 MHz - 80 MHz: 150Ω + 60Ω / – 45Ω 80 MHz - 230 MHz: 150Ω + 60Ω / – 60Ω
Current Rating 25 Amps AC / 17 Amps DC (Max)
Application/Test Type Four conductor power cable
RF Input Voltage 40 V (Max)
Decoupling of Common Mode Disturbance ≥ 40dB (EUT/AE)
Voltage Division Factor 9.5 dB +4 / -1
Dimensions 6 x 6 x 13 inches 15.2 x 15.2 x 33 cm
Weight 5 lbs. 2.3 kg

Test Equipment Description

Com-Power CDN-M425E is a part of the series of Coupling/Decoupling Networks designed specifically for testing product for conducted immunity per IEC/EN 61000-4-6. The CDN-M525E is designed for testing products that uses four conductor power cable. It has five 4 mm shrouded banana socket for both EUT and AE power connections.

The CDN-M425E can handle up to 25 Amps AC and 17 Amps DC of current. The RF disturbance signal coupling port is female BNC. It can handle up to 40V of RF input Voltage. The bottom surface of the CDN is not painted for easy and effective grounding. All Com-Power CDNs are individually calibrated. The Com-Power CDN-M425E fully complies with the requirement contained in the IEC 61000-4-6 and CISPR 16-1-2.

All Com-Power CDNs can be purchased separately or as part of the CIS series conducted immunity test system. This is a pre-packaged solution that includes an ACS series power amplifier and all accessories required for the test.

Application

During conducted Immunity testing, CDNs are utilized to provide a means of coupling RF common mode signals to each line. In addition, CDNs provide the required common mode impedance to the EUT, isolation to the auxiliary equipment via common mode decoupling of the disturbance signals and provide uninterrupted communication between the EUT and auxiliary equipment.

Before you begin testing with the CDN-M425E you will need to establish calibrated drive levels corresponding to your desired test levels. During drive level calibration, the RF signal level being injected to the CDN is adjusted incrementally until the voltage level measured at the 150Ω to 50Ω adapter (ADA-515-2) connected to the EUT port is approximately equal to the Umr value given in the table below. The ADA-515-2 and accessories needed for this test are available from Com-Power.

Test Levels
Open Circuit Voltage
Umr
1 0.167
3 0.5
10 1.67

Umr= Voltage level measured at the output of the 150Ω to 50Ω adapter (ADA-515-2)

Typical Data

CDN M-425E Accessory Kit:

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