2
E2J
Ratings and Specifications
Sensors Amplifier Units
Model
Item
E2J-W10MA E2J-W20MA
Sensing
distance
10 mm 20 mm
Sensing distance
adjustable range
4 to 10 mm 8 to 20 mm
Differential
travel
15% max. of sensing distance
Detectable
object
Conductors and dielectrics
Standard
sensing object
Grounded metal plate: 50 × 50 × 1 mm
Response
frequency
70 Hz min.
Indicators Detection indicator (red)
Ambient tem-
perature range
Operating/Storage: −10 to 55°C (with no icing or
condensation)
Ambient
humidity range
Operating/Storage: 35% to 85% (with no con-
densation)
Vibration
resistance
Destruction: 10 to 500 Hz, 2-mm double ampli-
tude or 150 m/s
2
for 2 hours each in X, Y, and Z
directions
Shock
resistance
Destruction: 500 m/s
2
3 times each in X, Y, and
Z directions
Degree of
protection
IP66 (IEC)
Connection
method
Pre-wired Connector Models (Robotics cable,
Standard cable length: 1m)
Weight
(packed state)
Approx. 30 g Approx. 40 g
Materi-
als
Case Heat-resistant ABS
Model
Item
E2J-JC4A
Power supply
voltage
24 VDC ±20%, ripple (p-p): 10% max.
Current
consumption
30 mA max.
Con-
trol
out-
put
Load
current
NPN open-collector output, 100 mA max.
(30 VDC max.)
Residual
voltage
1 V max.
Indicators
Operation indicator (orange)
Power indicator (green)
Number of turns
of sensitivity
adjustment
8 turns with an indicator
Protection
circuits
Load short-circuit protection, Surge suppres-
sor, Reverse polarity protection
Ambient temper-
ature range
Operating/Storage: −10 to 55°C (with no icing
or condensation)
Ambient
humidity range
Operating/Storage: 35% to 85% (with no con-
densation)
Temperature
influence
(Sensor with
Amplifier)
±25% max. of sensing distance at 23°C in the
temperature range of 0 to 40°C
Voltage influence
±1% max. of sensing distance at the rated volt-
age in the ±20% rated voltage 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 cur-
rent-carrying parts and case
Vibration
resistance
Destruction: 10 to 150 Hz, 1.5-mm double am-
plitude or 100 m/s
2
for 2 hours each in X, Y,
and Z directions
Shock resistance
Destruction: 300 m/s
2
3 times each in X, Y, and
Z directions
Degree of
protection
IP50 (IEC)
Connection
method
Pre-wired Models (Standard cable length: 2 m)
Weight
(packed state)
Approx. 60 g
Mate-
rials
Case ABS
Accessories Mounting Bracket, Instruction manual
