Interference suppression filters and mains filters to limit interference voltages

EMC filters for a reliable power supply

EMC filters limit high-frequency interference voltages and currents generated by equipment during normal operation and occurring under fault conditions. Using our EMC filters, you ensure smooth operation in environments subject to interference.

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Your advantages

  • SFP2: Effective protection against high-frequency interferences and transient overvoltages, ensured by surge protection circuits acting on the input and output side of the filter
  • User-friendly handling with easy assembly and installation, either with Push-in or screw connection technology
  • FIL: Improved filter effect and EMC-optimized installation with additional PE terminals for separate connection to the local equipotential bonding system
  • Space-saving and cost-effective thanks to DIN rail mounting
  • Reliable and safe system operation with a reduction of conducted, high-frequency interferences

New products

EMC filter in the plastic housing with additional PE terminal points
SFP2 EMC filters with integrated surge protection
EMC filter TTC-SFP with integrated surge protection for MCR applications
EMC filter for uninterrupted system operation
Better filter effect due to additional PE terminal points

FIL provides effective protection against high-frequency interference. Additional PE terminal points improve the filtering effect in the event of high-frequency interference between the active conductors and the ground potential for filters in plastic housings.

These are the main features

  • EMC-optimized installation due to additional PE terminal points
  • Improved filter effect due to multiple connection to the protective bonding
  • Easy and flexible installation due to quick snap-on to the DIN rail and Push-in connection technology

These are the advantages

  • Universally applicable EMC filter
  • Installation on the DIN rail
  • IP20 degree of protection
  • Product versions with Push-in and screw connection

EMC filters with integrated surge protection
Protection against high-frequency interference and overvoltage

SFP2 filters provide effective protection against overvoltage and high-frequency interference due to a surge protection circuit that protects both the input and output side of the filter.

These are the main features

  • Double protection through effective surge protection on the input and output side of the filter
  • EMC-optimized installation due to metal housing design
  • Easy and flexible installation due to quick snap-on to the DIN rail and Push-in connection technology

These are the advantages

  • Powerful surge protection on the input and output side of the filter
  • Remote signaling connection and status indicator of the surge protection
  • EMC-optimized metal housing

EMC filters for MCR applications
Slim filters with integrated surge protection

The new, universally applicable TTC-6-SFP... interference suppression filter limits and filters high-frequency interference on signal lines. In addition, overvoltages are safely discharged.

These are the main features

  • Increased signal quality by reducing high-frequency interference
  • Protection against high-frequency interference and overvoltages with just one device
  • Space-saving installation thanks to a slim overall width

These are the advantages

  • Reduced HF interference and protection against overvoltage
  • Easy installation on the DIN rail
  • Push-in connection technology
  • Narrow design: 6 mm

EMC filter fields of application

Frequency converters, switching power supplies, and lighting system drivers are often sources of interference in power grids. Some of the EMC interference is mitigated directly at the sources of interference by special filter circuits. However, the remaining interference can propagate and amplify via the supply and control lines. This can have unpredictable effects on controllers, power supplies, sensors, and actuators. Our filters limit the interference directly in front of the potentially susceptible equipment or the sensitive end devices.

Frequency converters, control devices, and counters
Switching power supply
LED drivers
Variable speed inverters

EMC filters for universal use

Product animation: EMC solutions from Phoenix Contact
EMC solutions from Phoenix Contact MovingImage
EMC filter with integrated surge protection against interfering sine waves

EMC filter with integrated type 2 surge protection

Double protection

Conventional filters only protect against high-frequency interferences, but not against overvoltage pulses. For effective protection, additional surge protection components are needed. SFP2 filters provide effective protection against surges and high-frequency interference as they feature a surge protection circuit that protects both the input and output side of the filter.

Hand latching an EMC filter onto a DIN rail

Snap on, connect, ready – with Push-in or screw connection as an option

Simple and flexible installation

Thanks to the simple DIN rail mounting and the variable connection technology, using the filters in the control cabinet is child's play. Choose between the fast Push-in connection technology or proven screw connections for connecting the interference suppression filters.

EMC filter with additional PE terminal points

Additional PE terminal points improve the filtering effect of the filters in the plastic housing

EMC-optimized installation

The connection of the interference suppression filters to the local protective bonding is realized by additional PE terminal points. This improves the filter effect for high-frequency interferences between the active conductors and the ground potential. This way, an EMC-optimized installation and an improved protective effect is also achieved for EMC filters in plastic housings.

Filter properties at a glance

Interactive image map: Portfolio of EMC solutions from Phoenix Contact
Slim design
The TTC-6-SFP... EMC filters feature a narrow design with an overall width of just 6 mm, making them ideal for the protection of MCR applications.
Slim design
Variable connection technology
The products of the FIL... family include product versions with Push-in and screw connection.
Variable connection technology
Additional PE terminal points
The additional PE terminal points for separate connection to the local equipotential bonding system provide improved protection for filters in plastic housings.
Additional PE terminal points
Remote signaling
The remote signaling connection enables the integration of products of the SFP2... family into a monitoring system. The status of the integrated surge protection system is monitored.
Remote signaling
Metal housing
The products of the SFP2 family feature an EMC-optimized metal housing.
Metal housing
Status indicator
The status indicator shows the status of the integrated surge protection system. If the indicator is green, the surge protection system is functional.
Status indicator
Filter and surge protection
The SFP2 product family provides powerful type 2 surge protection on the input and output sides of the filter.
Filter and surge protection