signal line filters

Signal line filters 8090

This series of signal filters are used for telephone, data communication, control, and fire alarm

These signal line filters are specially designed to use for telephone, fax, fire detection, video signal, and AC/DC switch signal with a rated current between 0.3 A and 1 A. The filter complies with standards specified by national military class C and D shielded room and anechoic chamber.

Shielding performance

Please note : These values are measured under laboratory conditions. Results may vary in other situations; please read our Guarantee.


  • Telephone
  • Fax
  • AC/DC
  • Switch signal
  • Fire detection
  • Door opening buttons
  • All other application using the passband specified in the table below

Dimensional diagrams

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Outline drawing 1
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Outline drawing 3
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Outline drawing 5
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Product Range

Type Rated voltage Rated current Outline drawing Conduit size Passband Typical applications
8090-2x0.3_20 125 VDC 2 x 0.3 A 1 M12 0-20 kHz Telephone, fax
8090-2x1_100 250 VAC 2 x 1 A 1 M12 0-100 kHz Control, voice
8090-2x1_6 100 VDC 2 x 1 A 1 M16 0-6 MHz Special fire alarm
8090-1x1_6 100 VDC 1 x 1 A 2 M16 0-6 MHz Video signal
8090-2x16_100 250 VAC 2 x 16 A 3 M16 0-100 kHz Air conditioning unit
8090-10x1_6 250VDC 10 x 1 A 4 M24 0-6 MHz Special fire alarm
8090-10x1_20 250 VAC/250VDC 10 x 1 A 5 M24 0-20 kHz Telephone, fax
8090-10x1_100 250 VAC 10 x 1 A 6 M24 0-100 kHz Control, voice
Note: Please specify the number of control lines and current volume if control lines are more than 2 or current is bigger than 1 A.


To get a quotation for Signal line filters within 24 hours fill in the form below.

Select an option:
Select an option:
2x0.3_20 : 2x0.3A 0-20kHz
2x1_100 : 2x1A 0-100KHz
2x1_6 : 2x1A 0-6MHz
1x1_6 : 1xaA 0-6MHz
2x16_100 : 2x16A 0-100kHz
10x1_6 : 10x1A 0-6MHz
10x1_20 : 10x1A 0-20kHz
10x1_100 : 10x1A 0-100kHz
* Note: The red blocks are required