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● Inductive M12 with a durable, all-metal construction
● Compact construction used in machinery
● Sensor with limited operating distance
● High resistance to mechanical damage
● Plug-in version – IP67: dust-tight and protected against immersion in water
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A stainless steel all-metal inductive sensor NMF12121 is engineered for extended service life in harsh industrial environments exposed to impacts, contamination, and extreme operating conditions.
This M12 inductive sensor has been engineered for seamless integration into industrial automation and process control systems where durability and long service life are essential. Thanks to their size, Ø12 x 50 mm sensors are easy to install, adjust, and maintain.
Technical specification:
Diameter: M12, increased sensing area for improved detection performance
Length: 50 mm, stable mechanical construction for reliable operation
Sensing range: 2 mm
Housing: Threaded sensor
Housing material: Stainless steel housing
Sensor face material: Stainless steel housing
Mounting: Flush mounting, lush-mounted sensor face aligned with the mounting surface
Switching function: NO, signal generated upon detection of a metal target
Cable length: n/d
Supply voltage: DC 10-30V, standard power supply range for industrial sensors
Applications
They are used in assembly processes to verify the correct positioning and seating of parts.
Delivers reliable performance in high-speed and demanding industrial machining environments.
Detects metal objects and components in packaging systems.
Monitors production cycles in automated manufacturing lines.
Monitors the position of components in special-purpose machines.
Features & Benefits
High reliability in automated automotive production lines.
Resistance to coolants, oils, and industrial contaminants.
Stable detection in high-throughput production processes.
Stable operation in dynamic automation environments.
Long service life in continuous operation.
When to choose this model
Suitable for industrial environments with moderate to challenging operating conditions.
Used in conveyor systems, transport automation, and industrial handling equipment.
Used in applications where resistance to impacts, abrasion, and intensive operation is critical.
Ideal for multi-point detection systems installed in demanding industrial environments.
Connection
The sensor has an NPN output, so connect it with an M12 4-pin connection cable without LEDs. Cables with LEDs (NXOC12281…, NXOC12401…) have a yellow status LED wired for a PNP output and are not suitable for NPN sensors.
The diameter of an inductive sensor is a dimension that defines the width of the sensor element measured in millimeters. This is an important technical parameter as it affects the mounting method and the space required for installation.
Rated detection range is a key parameter of an inductive sensor.Indicates the distance at which the sensor changes its output state when a metal object approaches its front end axially.This is the sensor's most important functional feature—it determines how close the object being detected must be in order to be registered.
2 mm
Mounting
Mounting Flush
Output function
NPN
Switching function
NO
Electrical data
Operating voltage
10–30 V DC
No load current
<10 mA
Max load current
200mA
Leakage current
<0.01 mA
Repeat accuracy
<1.0%sr
Short-circuit protection
YES
Reverse polarity protection
YES
Overload trip point
220 mA
Voltage drop
<1.5 V
Ripple
<10%
Response time
0.1 ms
Switching frequency
2 kHz
Temperature drift
<10%sr
Switching hysteresis
<15%sr
Mechanical data
Housing shape
Threaded
Housing material
Stainless steel
Material active face
Stainless steel
LED display
YES
Dimensions
Ø12 x 50 mm
Sensor length
50 mm
Electrical connection
Connection type
Connector
Connector size
M12
Number of pins
4
Cable length
n/d
Operating conditions
Protection category
IP67
Operating temperature min
-25°C
Operating temperature max
+70°C
Other
Manufacturer code
NMF12121
Condition
New
Packaging condition
Original
Type
Inductive
Net weight
14 g
Weight in kg
0,027
24-month warranty
This product is covered by a 24-month warranty from the date of purchase. Claims can be submitted via the complaint form in our shop. Your statutory rights are not affected by this warranty.
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Full-metal inductive sensors provide precise and reliable detection of metal objects, even in demanding industrial conditions. Their resistance to high temperatures, vibration, corrosion and mechanical damage makes them ideal for welding, metalworking and production automation.
