SiRON K021 Series Proximity Switch Sensor Standard Square Type IP67

About selection

Selection example: K021-2 indicates the K021 series，serial number 2, with NPN output, normally open state.

Note: K021-1/K021-1P has been discontinued and can be replaced by K021-4.

Selection example: K021-4 indicates the K021 series, serial number 4 , with automatic recognition output type,                                                   normally open state.

Specifications

Name		Proximity switch (standard square type)
Model	NPNN.O	K021-1	K021-2	K021-3	K021-4	K021-7	K021-8
	NPN N.C	K021-1C	K021-2C	K021-3C	/	K021-7C	K021-8C
	PNPN.O	K021-1P	K021-2P	K021-3P	K021-4	K021-7P	K021-8P
	PNPN.C	K021-1P-C	K021-2P-C	K021-3P-C	/	K021-7P-C	K021-8P-C
Appearance
Size		17×17×27mm	18×18×34mm	18×10×30.5mm	17×17×27mm	25×25×39.5mm	30×30×53mm
Installation  method		Embedded				Non-embedded
Detection  distance		5mm±10%				10mm	15mm
Operating  Voltage		10～30V DC			5～30V DC	10～30V DC
Residual voltage		<1.5V			<1.1V@100mA	/
Loadcurrent		150mA			100mA	200mA
Current consumpfion		<10mA			/	/
Leakagecurrent		<0.01mA			<100μA	/
No-loadcurrent		/			/	<10mA(24V)
On-off  level		1KHz			500Hz	1000Hz
Repeatability		<1.0%(Sr)			<5%	<1.0%(Sr)
Hysteresis		<15%(Sr)			/	<15%(Sr)
shell  material		plastic			plastic	ABS
Sensing surace material		ABS			PC+ABS	ABS
Operatingtemperature		-25～+70℃			-20～+70℃	-25～+70℃
Protect the circuit		short-circuit protection			/	/
Protection  level		IP67			IP67	IP67
Output  state		NPN / PNP normally open or normally off			NPN/PNPautomatic recognition output	NPN/PNP normally open or normally off
Cable		/			Grey P V C Φ3.9  3 C	PVC;3×0.25mm²
Standarddete ction object		/			12×12×1mm	/
Stdistance		/			0～1.5mm	/
Action  indicator		/			N P N red light ； P N P green light	/
Cable length		2M

Example

Check whether the door is open                                         Check the positioning of the machine tool cutting tools

Dimension

Wiring diagram