EMC/EMI Power Line Filters

Removes unwanted noise from your electrical environment

EMC/EMI Power Filters

If you are experiencing interference with your telephones, flickering computer monitors, reliability issues with data networks, instrumentation errors, or misbehaving electronics you are most likely experiencing EMI or RFI in your electrical environment. Our EMI power filters are passive electronic devices used to suppress conducted interference present on power or signal lines. They can be used to suppress the interference generated by the device itself, as well as to suppress the interference generated by other equipment.

Electromagnetic interference (EMI) and radio frequency interference (RFI) are unwanted electrical noise that can interfere with digital, analogue and communication equipment and processes. The disturbance may interrupt, obstruct, degrade, or limit the effective performance of the circuit. In the case of a data path, these effects can range from an increase in error rate to a total loss of the data. Both man-made and natural sources can generate changing electrical currents and voltages that cause EMI.

There are common mode and differential mode components to EMI noise. Common mode EMI noise is transmitted on multiple conductors at the same time and in the same direction on all conductors from source to receiver. Differential mode noise is induced on a conductor and travels in the opposite direction as it does on the ground conductor. This is like a complete circuit with a separate and return path for the EMI.

Our EMI power filters are designed specifically to remove unwanted electrical noise from your process. Take a look at our comprehensive range below.

Rated Current (A)

Filter Circuit Type

Application Type

Richard Wilson
Richard Wilson
2020-12-09
Verified
Excellent customer service, product knowledge and delivery date better than expected. Thank you. Keep up the great work.
Liam
Liam
2020-12-02
Verified
Helpful technical staff, great first experience. Thank you
Mike Martin
Mike Martin
2020-05-26
Verified
Very helpful , eager to please and get the job done, Thanks Jez
Jackie Ades
Jackie Ades
2020-03-18
Verified
Great communication at all stages of the ordering and delivery process. A very organised and professional company making everything much easier. Would recommend
Bethany Kelly
Bethany Kelly
2020-02-24
Verified
Really Quick response time and happy to help. would recommend.
Ray
Ray
2020-02-20
Verified
Good efficient service, arrived as promised on time
David Jones
David Jones
2020-02-05
Verified
Eamon Balfour
Eamon Balfour
2020-01-29
Verified
great response from CD automation, technical knowledge on the products was top class and fast delivery of the necessary spares to get me back up and running.
daniel clarke
daniel clarke
2019-12-04
Verified
Could not fault the company, Delivered when they said and kept me updated via email throughout my order. Will be using again.
Mr Eric Knight
Mr Eric Knight
2019-12-03
Verified
Guided us to the correct product specification and were exceptionally helpful.