Product characteristics
Output function
normally open
Sensing range [mm] 8
Housing
threaded type
Dimensions [mm] M18 x 1
Application
Special feature
Gold-plated contacts; Increased sensing range
Application
Use in machine tools, coolants and lubricants
Electrical data
Frequency AC [Hz] 47…63
Operating voltage [V] 20…140 AC/DC
Protection class
II
Reverse polarity protection
yes
Max. power-on delay time [ms] 1000
Outputs
Output function
normally open
Max. voltage drop switching output DC [V] 5.5
Max. voltage drop switching output AC [V] 5.5
Minimum load current [mA] 5
Max. leakage current [mA] 1
Permanent current rating of switching output AC [mA] 200
Permanent current rating of switching output DC [mA] 200
Short-time current rating of switching output [mA] 1200; (20 ms / 0,5 Hz)
Switching frequency AC [Hz] 25
Switching frequency DC [Hz] 500
Short-circuit protection
yes
Type of short-circuit protection
pulsed
Overload protection
yes
Detection zone
Sensing range [mm] 8
Real sensing range Sr [mm] 8 ± 10 %
Operating distance [mm] 0…6.5
Increased sensing range
yes
Accuracy / deviations
Correction factor
steel: 1 / stainless steel: 0.7 / brass: 0.5 / aluminium: 0.4 / copper: 0.3
Hysteresis [% of Sr] 3…15
Switch point drift [% of Sr] -10…10
Operating conditions
Ambient temperature [°C] -25…70
Protection
IP 68; (“Coolant”)
Mechanical data
Weight [K40] 61.2
Housing
threaded type
Mounting
flush mountable
Dimensions [mm] M18 x 1
Thread designation
M18 x 1
Materials
housing: brass white bronze coated; sensing face: LCP
Displays / operating elements
Display
switching status
4 x 90° LED, yellow
Accessories
Accessories (supplied)
lock nuts: 2
Remarks
Pack quantity
1 pcs.
Electrical connection – plug
Connector: 1 x 1/2″; Contacts: gold-plated
