Interference filters - NEF 1-10 2788977

Mains interference filter, with universal foot for mounting on NS 32 and NS 35/7.5, nominal current: 10 A


Product Details




Type DIN rail module, one-piece 
Number of positions 2

Mounting type DIN rail: 35 mm

Color black
Flammability rating according to UL 94 V-2
Housing material PA

Connection method Screw connection
Screw thread M3
Tightening torque 0.8 Nm
Conductor cross section flexible 0.2 mm² ... 2.5 mm²
Conductor cross section solid 0.2 mm² ... 4 mm²
Conductor cross section AWG 24 ... 12

Dimensional drawing
Width 40 mm
Height 79.4 mm
Depth 84.1 mm

Direction of action 1L-N & N-PE
Maximum continuous voltage UC 264 V AC (L-N)
264 V AC (L-PE)
Nominal frequency fN 50 Hz (60 Hz)
Rated current 10 A (40 °C)
Operating effective current IC at UC ≤ 0.25 mA
Residual current IPE ≤ 0.5 mA
Input attenuation aE, sym. > 80 dB (50 Ω / 1 MHz)
Input attenuation aE, asym. > 40 dB (50 Ω / 1 MHz)
Capacity 2x 470 nF (X2)
2x 2.2 nF (Y2)
Inductivity in series 2x 1.8 mH (with current compensation)
Max. required back-up fuse 10 A (gL)
Filter data
Discharge resistance 1 MΩ

Mechanical data
Open side panel No

Nominal frequency fN 50 Hz (60 Hz)

Standards/specifications IEC 60939-2
EN 60939-2
Air clearances and creepage distances
Standards/regulations IEC 60664-1 / VDE 0110-1

Ambient conditions
Degree of protection IP20
Ambient temperature (operation) -25 °C ... 100 °C (HMF)


Order Key 2788977
Packing unit 5 pc
Minimum order quantity 1 pc
Catalog Page Page 211 (C-4-2019)
GTIN 4017918072001
Weight per Piece (including packing) 182.2 GRM
Weight per Piece (excluding packing) 162.7 GRM
Customs tariff number 85363010
Country of origin DE



UL Recognized

EAC

EAC

VDE Zeichengenehmigung

Approval Specification Data
Nominal voltage UN 250 V
Nominal current IN 10 A
AWG/kcmil
Max. cross section 2.5 mm²

China RoHS Environmentally Friendly Use Period = 50 years
China RoHS For details about hazardous substances go to tab “Downloads”, Category “Manufacturer's declaration”


Your advantages

Effective high-frequency interference attenuation with current-coupled coils and X and Y capacitors
Space-saving and cost-saving with a compact design
Versatile in use with universal circuit design