Cylindrical Proximity Sensor

E2K-X

General-purpose Threaded Capacitive Sensor

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.