Pepperl Plus Fuchs PF 128872 Inductive Sensor
Specifications
- Model: NCB8-18GM50-Z4-V1
- Type: Inductive sensor
- Operating Distance: 8mm flush
- Output Type: Normally open (NO)
- Operating Voltage: UB 3.5 … 30 V
- Switching Frequency: 0 … 1000 Hz
- Protection: Reverse polarity protection
- Connection Type: Connector plug M12 x 1, 4-pin brass, nickel-plated PBT IP67
- Dimensions: Length 65mm, Diameter 18mm
Product Usage Instructions
Installation
- Mount the inductive sensor in a suitable location ensuring the rated operating distance is maintained.
- Connect the sensor using the provided connector plug M12 x 1 with the specified wire colors.
Operation
Ensure the inductive sensor is powered within the specified voltage range. The LED indicators will show the switching state and stability alarm.
Maintenance
Regularly check and clean the sensing face of the sensor to maintain proper functionality.
FAQ
Q: What is the output type of the NCB8-18GM50-Z4-V1 sensor?
A: The output type is normally open (NO).
Q: What is the operating voltage range for this sensor?
A: The operating voltage range is UB 3.5 … 30 V.
Dimensions
Technical Data
General specifications | ||
Switching function Normally open (NO) | ||
Output type | Two-wire | |
Rated operating distance | sn | 8 mm |
Installation | flush | |
Output polarity | DC | |
Assured operating distance | sa | 0 … 6.48 mm ( -25 … 70 °C (-13 … 158 °F) )
0…. 6.08 mm ( -40 … -25 °C (-40 … -13 °F) ) |
Reduction factor rAl | 0.4 | |
Reduction factor Cu | 0.4 | |
Reduction factor r304 | 0.7 | |
Reduction factor brass | 0.5 | |
Output type | 2-wire | |
Nominal ratings | ||
Operating voltage UB 3.5 … 30 V | ||
Switching frequency | f | 0 … 1000 Hz |
Reverse polarity protection | reverse polarity-conductive |
Technical Data
Short-circuit protection | pulsing | |
Voltage drop | Ud | ≤ 3.5 V |
Temperature drift | ± 15% | |
Operating current | IL | 2 … 100 mA |
Off-state current | Ir | typ. 0.8 mA |
Switching state indicator | LED, yellow | |
Stability alarm indicator | LED, red | |
Stability control-switch point | 0,8 sr … 0,9 sr | |
Functional safety related parameters | ||
MTTFd 1370 a | ||
Mission Time (TM) | 20 a | |
Diagnostic Coverage (DC) | 0 % | |
Compliance with standards and directives | ||
Standard conformity | ||
Standards | EN IEC 60947-5-2 | |
Approvals and certificates | ||
UL approval | cULus Listed, General Purpose | |
CCC approval | CCC approval/marking is not required for products rated ≤36 V | |
Ambient conditions | ||
Ambient temperature -40 … 70 °C (-40 … 158 °F) | ||
Mechanical specifications | ||
Connection type Connector plug M12 x 1 , 4-pin | ||
Housing material | brass, nickel-plated | |
Sensing face | PBT | |
Degree of protection | IP67 | |
Dimensions | ||
Length | 65 mm | |
Diameter | 18 mm |
Connection
Connection Assignment
Connection Assignment
Wire colors in accordance with EN 60947-5-2
- BN (brown)
- WH (white)
- BU (blue)
- BK (black)
Operation
- Correlation between output signal/LED-function and stable operating distance ss/effective operating distance sr: (ss typ. 80 % of sr)
- Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
- Pepperl+Fuchs Group www.pepperl-fuchs.com
- USA: +1 330 486 0001
- fa-info@us.pepperl-fuchs.com
- Germany: +49 621 776 1111 fa-info@de.pepperl-fuchs.com
- Singapore: +65 6779 9091 fa-info@sg.pepperl-fuchs.com
Documents / Resources
![]() |
Pepperl Plus Fuchs PF 128872 Inductive Sensor [pdf] Owner's Manual NCB8-18GM50-Z4-V1, PF 128872, PF 128872 Inductive Sensor, PF 128872, Inductive Sensor, Sensor |