深圳市元锋科技有限公司

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emtest测试/瑞士CNV 508N4耦合去耦网络组

emtest测试/瑞士CNV508N4耦合去耦网络组符合IEC60255-26标准的4对/8线耦合/去耦网络

订货量(台) 价格
1 - 9 99999.0元/
10 - 49 88888.0元/
≥50 77777.0元/
  • 发 货 期:3天内发货
  • 所 在 地:广东 深圳
  • 手     机: 13926526199

详细信息

是否进口:否产地:瑞士
加工定制:否品牌:emtest
型号:CNV 508N4订货号:CNV 508N4
货号:CNV 508N4规格:CNV 508N4
适用范围:用于传输和接收应用是否跨境货源:否

emtest测试/瑞士CNV 508N4耦合去耦网络组Highlights

  • Selection of all coupling modes as per IEC 60255-26

  • Remote controlled by the OCS 500N6 / N6F

  • Coupling capacitor 0.5uF

  • Decoupling inductor >1.5mH per line

  • Nominal line voltage max. 250V AC/DC

  • Nominal line current 4A AC/DC or 16A AC/DC




Coupling/Decoupling networks for testing measuring relays and protection equipment

The CNV 508N4 series are special coupling/decoupling networks being used to perform "Electrical disturbance tests for measuring relays and protection equipment" in accordance to IEC 60255-26. A capacitance of 0.5uF is specified to couple the pulses on to the lines. 

Each line has a decoupling inductor of >1.5mH to protect the auxiliary equipment from being subjected to the test pulse. The disturbance signal used for this test is a damped oscillatory pulse with a frequency of 1MHz, generated by the EM TEST 
OCS 500N6 or OCS 500N6F generators.



  • IEC 60255-22-1

  • IEC 60255-26



Fully-automatic coupling networks for IEC 60255-26

Depending on the configuration of the DUT several different test set-up's are used to perform tests in differential mode (line-to-line of the same pair) or common mode (each pair to ground or one pair to all other pairs with these being grounded). The CNV 508N4 is automatically set by the OCS 500N6 selecting the desired coupling mode and lines to be coupled. The coupler offers capability to test up to 4 pairs/8 lines. 

The test of measuring relays and protection equipment as outlined in IEC 60255-26 includes different coupling modes to test the DUT under different conditions. Each pair of lines is tested individually in differential mode. Common mode test is applied to each pair to ground and to each pair with the other pairs connected to ground.

The EM TEST CNV 508N4 series are a dedicated CDNs for these applications, fully automatic, remote controlled by the OCS 500N6 for the various coupling modes. This offers best user convenience and reliability that all couplings required are tested sequently. The selected coupling mode and lines actually being tested are indicated by LEDs.





The complete solution


The CNV 508N4 series includes the required 1.5mH decoupling inductors to decouple the auxiliary equipment as well as the coupling part via a 0.5uF capacitor for each line and the coupling relays to allow all possible settings for differential mode and common mode testing as per 


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