Pepperl+Fuchs NBB4-F1-UO

Inductive sensor
Pepperl+Fuchs NBB4-F1-UO
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General specifications
Switching element functionAC/DC NC
Rated operating distance4 mm
Output polarityAC/DC
Assured operating distance0 ... 3.24 mm
Reduction factor rAl 0.3
Reduction factor rCu 0.2
Reduction factor r304 0.7
Nominal ratings
Operating voltage20 ... 253 V AC/DC
Switching frequency0 ... 25 Hz
Hysteresistyp. 5%
Reverse polarity protectionreverse polarity protected
Short-circuit protectionpulsing
Voltage dropless than or equal to 7 V
Momentary current
(20 ms, 0.1 Hz)
0 ... 2100 mA
Operating current4 ... 250 mA AC
4 ... 100 mA DC
Off-state currentless than or equal to 1.7 mA
No-load supply currentless than or equal to 4 mA
Operating voltage indicatorLED, green
Switching state indicatorLED, yellow
Approvals and certificates
UL approvalcULus Listed, General Purpose
CSA approvalcCSAus Listed, General Purpose
CCC approvalCertified by China Compulsory Certification (CCC)
Ambient conditions
Ambient temperature-25 ... 70 °C (-13 ... 158 °F)
Mechanical specifications
Connection typecable PVC , 2 m
Core cross-section0.5 mm2
Housing materialPA
Sensing facePA
Degree of protectionIP67
Tightening torque, fastening screwsThreading M3 max: 1.1 Nm
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