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Specification & Description
| Specification | Description |
|---|---|
| Part Number | NEF 1- 6 |
| Alternative Part Number | NEF16 |
| Manufacturer | Phoenix Contact |
| Type | DIN rail module, one-piece |
| Number of Positions | 2 |
| Direction of Action | 1L-N & N-PE |
| Maximum Continuous Voltage | 264 V AC (L-N), 264 V AC (L-PE) |
| Nominal Frequency | 50 Hz (60 Hz) |
| Rated Current | 6 A (at 40 °C) |
| Operating Effective Current | ≤ 0.25 mA at U_C |
| Residual Current | ≤ 0.5 mA |
| Input Attenuation (Sym.) | > 70 dB (50 Ω / 1 MHz) |
| Input Attenuation (Asym.) | > 40 dB (50 Ω / 1 MHz) |
| Capacity | 2x 470 nF (X2), 2x 2.2 nF (Y2) |
| Inductivity in Series | 2x 2.7 mH (with current compensation) |
| Max. Required Back-up Fuse | 6.3 A (gL / C) |
| Connection Method | Screw connection |
| Screw Thread | M3 |
| Tightening Torque | 0.8 Nm |
| Stripping Length | 8 mm |
| Conductor Cross Section | Flexible: 0.2 mm² - 2.5 mm², Solid: 0.2 mm² - 4 mm², AWG: 24 - 12 |
| Standards/Specifications | IEC 60939-2, EN 60939-2, IEC 60664-1 |
| Discharge Resistance | 1 MΩ |
| Environmental Product Compliance | China RoHS, Environmentally Friendly Use Period = 50 years |
| Approvals | EAC, DNV GL, VDE Zeichengenehmigung |
| Nominal Voltage | 250 V |
| Nominal Current | 6 A |
| Conductor Size | 2.5 mm²/AWG/kcmil |
| Mounting Type | DIN rail: 35 mm |
| Housing Material | PA |
| Flammability Rating | UL 94 V-2 |
| Colour | Black |
| Degree of Protection | IP20 |
| Ambient Temperature (Operation) | -25 °C ... 100 °C (HMF) |
| Dimensions (Height x Width x Depth) | 79.4 mm x 40 mm x 90.2 mm |
The Phoenix Contact NEF 1-6 is a high-performance EMC filter designed for effective suppression of electromagnetic interference in industrial environments. This DIN rail module is a one-piece unit that can be easily mounted on NS 32 and NS 35/7.5 rails, making it a versatile solution for various applications. With a nominal current rating of 6 A and a compact design, it offers space-saving benefits without compromising on functionality.
Crafted with current-coupled coils and X and Y capacitors, the NEF 1-6 excels in attenuating high-frequency interference, ensuring that your equipment operates smoothly and reliably. The filter operates within a wide ambient temperature range from -25 °C to 100 °C, making it suitable for challenging conditions.
The unit is constructed with a robust housing made from polyamide (PA) with a flammability rating of UL 94 V-2 and is finished in a professional black colour. It adheres to the VDE 0110-1 standard for clearances and creepage distances, highlighting its compliance with stringent industry regulations.
With dimensions of 79.4 mm in height, 40 mm in width, and 90.2 mm in depth, the Phoenix Contact NEF 1-6 is a compact yet powerful solution for maintaining the integrity of your electrical systems against disruptive electromagnetic noise.
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Frequently Asked Questions
What is the purpose of this EMC filter?
The EMC filter is designed to provide effective high-frequency interference attenuation. It uses current-coupled coils and X and Y capacitors to reduce electromagnetic interference from power supply lines, ensuring smoother operation of electronic equipment.
Can this filter be mounted on different types of DIN rails?
Yes, the filter comes with a universal foot for mounting on both NS 32 and NS 35/7.5 DIN rails, making it versatile for various installation environments.
What is the nominal current rating for this filter?
The nominal current rating for the NEF 1- 6 is 6 A, which is suitable for a range of applications requiring this level of current handling.
What are the ambient operating temperature limits for this filter?
The filter is designed to operate within an ambient temperature range of -25 °C to 100 °C, making it suitable for use in a variety of environmental conditions.
What is the degree of protection provided by the filter's housing?
The housing of the filter is rated at IP20, which provides protection against solid objects larger than 12.5 mm but not against water.
What materials are used in the construction of the filter's housing?
The housing of the filter is made from polyamide (PA) with a flammability rating according to UL 94 of V-2, ensuring a degree of fire resistance.
What standards does this filter comply with?
The filter complies with IEC 60939-2 and EN 60939-2 standards, which pertain to the safety and performance of passive filter units for electromagnetic interference suppression.
What is the maximum continuous voltage that the filter can handle?
The filter can handle a maximum continuous voltage of 264 V AC for both L-N and L-PE protective circuits.
What type of connections does the filter support?
The filter supports screw connection for both input and output, with screw terminal blocks that can accommodate a range of conductor cross-sections.
What is the filter's attenuation performance?
The filter provides an input attenuation of greater than 70 dB for symmetrical interference and greater than 40 dB for asymmetrical interference at 1 MHz with a 50 Ω load.
