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Omron Proximity Sensors. Capacitive. E2K-X

Cylindrical Proximity Sensor
E2K-X

General-purpose Threaded Capacitive Sensor

Appearance Sensing distance Output configuration Model
Operation mode
NO NC
Unshielded
M12 4 mm DC 3-wire, NPN E2K-X4ME1 2M E2K-X4ME2 2M
DC 3-wire, PNP E2K-X4MF1 2M E2K-X4MF2 2M
AC 2-wire E2K-X4MY1 2M E2K-X4MY2 2M
M18 8 mm DC 3-wire, NPN E2K-X8ME1 2M E2K-X8ME2 2M
DC 3-wire, PNP E2K-X8MF1 2M E2K-X8MF2 2M
AC 2-wire E2K-X8MY1 2M E2K-X8MY2 2M
M30 15 mm DC 3-wire, NPN E2K-X15ME1 2M E2K-X15ME2 2M
DC 3-wire, PNP E2K-X15MF1 2M E2K-X15MF2 2M
AC 2-wire E2K-X15MY1 2M E2K-X15MY2 2M
Model E2K-X4ME[],
E2K-X4MF[],
E2K-X4MY[]
E2K-X8ME[],
E2K-X8MF[],
E2K-X8MY[]
E2K-X15ME[],
E2K-X15MF[],
E2K-X15MY[]
Sensing distance 4mm ±10% 8 mm ±10% 15 mm ±10%
Set distance *1 0 to 2.8 mm 0 to 5.6 mm 0 to 10 mm
Differential travel 4% to 20% of sensing distance
Detectable object Conductors and dielectrics
Standard sensing object Grounded metal plate: 50 × 50 × 1 mm
Response frequency E and F Models: 100 Hz, Y Models: 10 Hz
Power supply voltage *2
(operating voltage range)
E and F Models: 12 to 24 VDC (10 to 30 VDC)
Y Models: 100 to 220 VAC (90 to 250 VAC)
Current consumption E and F Models: 15 mA max.
Leakage current Y Models: 2.2 mA max. (Refer to Datasheet.)
Control
output
Load current E and F Models: 200 mA max.*2, Y Models: 10 to 200 mA
Residual
voltage
E and F Models: 2 V max. (Load current: 200 mA, Cable length: 2 m),
Y Models: Refer to Engineering Data on Data Sheet.
Indicators E and F Models: Detection indicator (red), Y Models: Operation indicator (red)
Operation mode
(with sensing object
approaching)
E1, F1, and Y1 Models: NO
E2, F2, and Y2 Models: NC
Refer to the timing charts under I/O Circuit Diagrams on Data Sheet for details.
Protection circuits E and F Models: Reverse polarity protection, Surge suppressor, load short-circuit
protection, output reverse polarity protection, Y Models: Surge suppressor
Ambient temperature
range
Operating/Storage: -25 to 70°C
(with no icing or condensation)
Operating/Storage: -10 to 55°C
(with no icing or condensation)
Ambient humidity range Operating/Storage: 35% to 95% (with no condensation)
Temperature influence ±20% max. of sensing distance at 23°C in the operating temperature range
Voltage influence E and F Models: ±2% max. of sensing distance at rated voltage at rated voltage ±20%
Y Models: ±2% max. of sensing distance at rated voltage at rated voltage ±10%
Insulation resistance 50 MΩ min. (at 500 VDC) between current-carrying parts and case
Dielectric strength E and F Models: 1,000 VAC, 50/60 Hz for 1 min between current-carrying parts and case
Y Models: 2,000 VAC, 50/60 Hz for 1 min between current-carrying parts and case
Vibration resistance Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z
directions
Shock resistance Destruction: 500 m/s2 3 times each in X, Y, and Z directions
Degree of protection IP66 (IEC), in-house standards: oil-resistant
Connection method Pre-wired Models (Standard cable length: 2 m)
Weight (packed state) Approx. 65 g Approx. 145 g Approx. 205 g
Materials Case Heat-resistant ABS
Sensing
surface
Clamping nuts Polyacetal
Accessories Instruction manual
*1. The above values are sensing distances for the standard sensing object. Refer to Engineering Data on Data Sheet for
other materials.
*2. E and F Models (DC switching models): A full-wave rectification power supply of 24 VDC ±20% (average value) can be
used.

E2K-X4ME[]
E2K-X4MF[]
E2K-X4MY[]

E2K-X Dimensions 2

E2K-X8ME[]
E2K-X8MF[]
E2K-X8MY[]

E2K-X Dimensions 3

E2K-X15ME[]
E2K-X15MF[]
E2K-X15MY[]

E2K-X Dimensions 4

Mounting Hole Dimensions

E2K-X Dimensions 5