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K040-3~K040-4 Series
SiRON
9031809090
About selection

Selection example:K040-3 indicates the K040 series, serial number 3, with NPN output, normally open state,
Wire Outlet Type.
K040-3-S indicates the K040 series, serial number 3, with NPN output, normally open state, Plug-in Type.
Specifications
Name | Φ4 inductive proximity switch | ||||
Model | NPNN.O | K040-3 | K040-3-S | K040-4 | K040-4-S |
| NPNN.C | K040-3C | K040-3C-S | K040-4C | K040-4C-S | |
| PNP N.O | K040-3P | K040-3P-S | K040-4P | K040-4P-S | |
| PNP N.C | K040-3P-C | K040-3P-C-S | K040-4P-C | K040-4P-C-S | |
Wiring Form | Wire Outlet Type | Plug-in Type | Wire Outlet Type | Plug-in Type | |
Appearance | ![]() ![]() | ||||
Detection distance | 0.8mm | 1.2mm | |||
Installation | Flush installation | ||||
Diameter | φ4mm | ||||
Operating Voltage | 10~30V DC | ||||
On-off level | 2000Hz | ||||
Pressure drop | <2.0V | ||||
Load current | 100mA | ||||
No-load current | <10mA(24V) | ||||
Hysteresis | <15%(Sr) | ||||
Repeatability | <1.0%(Sr) | ||||
Ambient temperature | -25~70℃ | ||||
| Enclosure rating | IP67 | ||||
| Sensing surface material | POM | ||||
| Cable | Wire Outlet Type:PVC cable;3×0.15mm²; Plug-in Type:M8 connector | ||||
| Cable length | 2M | ||||
Example

Aluminum can inspection Detection of workpiece position
Dimension

Wiring diagram