Tel/Fax Line Filters

This series of signal filters are used for Tel/Fax lines.


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


All WEMC signal line filters are tested under the following standards and meet or exceed the performance and safety criteria defined by these standards:

LVD 2014/35/EU


Type Rated voltage Rated current Outline drawing Band pass Typical applications
SF-T2 250VDC 2x0.3A 1 0-20kHz Telephone, fax and AC/DC switch signal
SF210-1 250VAC 2x1A 1 0-100kHz Control signal
SF203-1 100VDC 2x1A 1 0-6MHz Special fire alarm
SF103-1 100VDC 1x1A 2 0-6MHz Video signal
SF-LAN100 250VAC   3   Network signal

Note: Above signal filters are in compliance with standards specified by National Military Class C and D shielded room and anechoic chamber.

Please specify number of control line and current volume if control lines are more than 2 or current is bigger than 1A.

Dimensional Diagrams