Long-distance type

E2K-C

Long-distance Capacitive Sensor with Adjustable Sensitivity

Standard Models

Model

E2K-C25M[]1

E2K-C25M[]2

E2K-C25MY1

E2K-C25MY2

Sensing distance *

25 mm

Sensing distance adjustable
 range

3 to 25 mm

Detectable object

Conductors and dielectrics

Standard sensing object

Grounded metal plate: 50 × 50 × 1 mm

Differential travel

15% max. of sensing sensing distance (when adjusted to 25 mm ±10% with standard
 sensing object)

Response frequency

70 Hz

10 Hz

Power supply voltage
 (operating voltage range)

12 to 24 VDC (10 to 30 VDC), ripple (p-p):
 10% max.

100 to 220 VAC (90 to 250 VAC), 50/60 Hz

Current consumption

E and F Models: 10 mA max. at 12 VDC, 16 mA max. at 24 VDC

Leakage current

Y Models: 1 mA max. at 100 VAC (50/60 Hz) with output turned OFF, 2 mA max. at 200
 VAC (50/60 Hz) with output turned OFF

Control
 output

Load current

200 mA max.

5 to 200 mA (resistive load)

Residual voltage

2 V max. (Load current: 200 mA, Cable
 length: 2 m)

Refer to Engineering Data on Data Sheet

Indicators

Detection indicator (red)

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

Reverse polarity protection,
 Surge suppressor

Surge suppressor

Ambient temperature range

Operating/Storage: -25 to 70°C (with no icing or condensation)

Ambient humidity range

Operating/Storage: 35% to 95% (with no condensation)

Temperature influence

±15% max. of sensing distance at 23°C in the temperature range of -10 to 55°C
 ±25% max. of sensing distance at 23°C in the temperature range of -25 to 70°C

Voltage influence

±2% max. of sensing distance at the rated
 voltage in rated voltage ±15% range

±2% max. of sensing distance at the rated
 voltage in rated voltage +20%, -10% range
 at 100 VAC, ±20% range at 200 VAC

Insulation
 resistance

50 MΩ min. (at 500 VDC) between current-carrying parts and case

Dielectric strength

1,000 VAC, 50/60 Hz for 1 min between
 current-carrying parts and case

1,500 VAC, 50/60 Hz for 1 min between
 current-carrying parts and case

Vibration

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 10 times each in X, Y, and Z directions

Degree of protection

IEC 60529 IP66

Connection method

Pre-wired Models (Standard cable length: 2 m)

Weight (packed state)

Approx. 200 g

Materials

Case

Heat-resistant ABS

Sensing surface

Accessories

Mounting Bracket, Sensitivity adjustment driver, M4 screws, Instruction manual

* The set distances are sensing distances applicable to standard sensing objects. Refer to Engineering Data on Data
    Sheet for other materials.

Noise-resistant Models

Model

E2K-C20MC1

E2K-C20MC2

E2K-C20MT1

E2K-C20MT2

Sensing distance *1

20 mm

Sensing distance
 adjustable range

3 to 20 mm

Detectable object

Conductors and dielectrics

Standard sensing object

Grounded metal plate: 50 × 50 × 1 mm

Differential travel

15% max. of sensing distance (when adjusted to 20 mm ±10% with standard sensing
 object)

Response frequency *2

40 Hz

AC power: 25 Hz, DC power: 40 Hz

Power supply voltage
 (operating voltage range)

12 to 24 VDC (10 to 30 VDC), ripple (p-p):
 10% max.

24 to 240 VAC (20 to 250 VAC), 50/60 Hz;
 24 to 240 VDC (20 to 250 VDC)

Current consumption

13 mA max. at 24 VDC

---

Leakage current

---

1.5 mA max. at 24 VDC, 1.7 mA max. at 110
 VAC (50/60 Hz), 2.5 mA max. at 250 VAC
 (50/60 Hz)
 Refer to Engineering Data on Data Sheet.

Control
 output

Load current

250 mA max.

5 to 200 mA (resistive load)

Residual voltage

2.5 V max. (Load current: 250 mA, Cable
 length: 2 m)

AC power: 10 V max., DC power: 8 V max.
 Refer to Engineering Data on Data Sheet.

Indicators

Operation indicator (yellow)

Operation mode
 (with sensing object
 approaching)

C1/T1 Models: NO
 C2/T2 Models: NC
 Refer to the timing charts under I/O Circuit Diagrams on Data Sheet for details.

Protection circuits

Reverse polarity protection, Load short-
 circuit protection

---

Ambient temperature range

Operating/Storage: -25 to 70°C (with no icing or condensation)

Ambient humidity range

Operating/Storage: 35% to 95% (with no condensation)

Temperature influence

±15% max. of sensing distance at 23°C in the temperature range of -10 to 55°C
 ±25% max. of sensing distance at 23°C in the temperature range of -25 to 70°C

Voltage influence

±2% max. of sensing distance at the rated voltage in rated voltage ±15% range

Insulation resistance

50 MΩ min. (at 500 VDC) between current-carrying parts and case

Dielectric strength

1,000 VAC, 50/60 Hz for 1 min between
 current-carrying parts and case

1,500 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 10 times each in X, Y, and Z directions

Degree of protection

IEC 60529 IP65

Connection method *3

Pre-wired Models (Standard cable length: 2 m)

Weight (packed state)

Approx. 240 g

Materials

Case

PBT

Sensing surface

Accessories

Mounting Bracket, M4 screws, Instruction manual

1. The set distances are sensing distances applicable to standard sensing objects. Refer to Engineering Data on Data Sheet for other materials.
 2. The response frequency is an average value.
3. Only 2-m cables are available. Use a cable with a conductor cross section of 0.5 mm2 or greater to extend the cable.