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NBN4-F25K-2Z4L Inductive sensor

Key Benefits at a Glance

  • Direct mounting on standard actuators
  • Small construction with sturdy plastic housing of protection class IP 67
  • 2-wire DC sensor with minimum off-state current
  • Plug-in terminals
Product Compliance: USA - cULus LISTED
Product Compliance: United Kingdom – UKCA
Product Compliance: Europe – CE
Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

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Technical data of NBN4-F25K-2Z4L

Switching function2 x normally open (NO)
Output typeTwo-wire with minimum off-state current
Rated operating distancesn4 mm
Installationflush mountable
Output polarityDC
Assured operating distancesa0 ... 3.24 mm
Actual operating distancesr3.6 ... 4.4 mm typ.
Reduction factor rAl 0.6
Reduction factor rCu 0.45
Reduction factor r304 1
Reduction factor rSt37 1.2
Output type2x 2-wire
Operating voltageUB5 ... 30 V DC
Switching frequencyf0 ... 500 Hz
HysteresisHtyp. 5 %
Reverse polarity protectionreverse polarity protected
Short-circuit protectionpulsing
Voltage dropUd≤ 4.5 V
Operating currentIL4 ... 100 mA
Off-state currentIr120 ... 200 µA typ. 175 µA at 25 °C
Time delay before availabilitytv≤ 100 ms
Switching state indicatorLED, yellow
Standard conformity
StandardsEN IEC 60947-5-2
UL approvalcULus Listed
CCC approvalCCC approval / marking not required for products rated ≤36 V
Ambient temperature-25 ... 70 °C (-13 ... 158 °F)
Storage temperature-40 ... 85 °C (-40 ... 185 °F)
Connection (system side)screw terminal , M20 x 1.5 cable gland
Housing materialPBT
Sensing facePC
Degree of protectionIP67
Mass98 g
Tightening torque, fastening screwsM5 x 40 : ≤ 2.7 Nm
Tightening torque, housing screwsM4 x 25 : 2 Nm
Dimensions
Height37.5 mm
Width52 mm
Length69 mm
NoteMounted on mechanical drive