Model explanation of proximity switch
L M 18 - 30 05 N A #
1 2 3 4 5 6 7

No. Composition Code & definition
1 Switch category LM: Inductance type
CM: Capacitance type
SM: Hall type
2 Outward appearance code #: Cylinder type
F #: Angular column type & plane installation type
3 Working voltage 30: 6-36VDC 310: 5-24VDC 320: 12-60VDC
20: 90-25VAC 210: 24-250VAC 220: 380VAC
40: 12 - 240VDC/24-240AVC 50: Special voltage
4 Detection distance 01: 1mm 05: 5mm 10: 10mm
5 Output form N: Three-wire DC NPN output
P: Three-wire DC PNP output
L: Two-wire DC output
#: AC two-wire output
W: AC three-wire output
J: Relay contact output
NP: NPN+PNP double output
6 Output state A: Normally open (NO) B: Normally close (NC)
C: Normally open + normally close (NO+NC)