E3T-ST21 Photoelectric Sensors NEW

Sensing method

Through-beam

Sensing distance

0 mm to 300 mm

Standard sensing object

Opaque: 2 mm dia. Min.

Minimum sensing object

2 mm dia. Min.

Directional angle

Emitter:2 to 20 DEG

Receiver:2 to 70 DEG

Light source

Red LED (650nm)

Power supply voltage

12 to 24 VDC -10% to 10% (ripple(p-p) :10% Max.)

Current consumption

Emitter: 10mA DC Max., Receiver: 20mA DC Max.

Control output (Output type)

NPN open collector output

Control output (Load current)

0 to 50 mA

Control output (Residual voltage)

(DC) 1 V Max. (Load current: Less than 10mA)

(DC) 2 V Max. (Load current: 10 to 50mA)

Operation mode

Light-ON

Load power supply voltage

26.4 VDC Max.

Protective circuit

Surge suppressor

Output short-cut protection

Output reverse polarity protection

Power supply reverse polarity protection

Response time

1 ms Max.

Ambient illuminance

Incandescent lamp:5000 lux Max., Sunlight:10000 lux Max.

Ambient temperature

Operating: -25 to 55 CEL

Storage: -40 to 70 CEL

(with no icing or condensation)

Ambient humidity

Operating: 35 to 85 %RH

Storage: 35 to 95 %RH

(with no condensation)

Insulation resistance

20 M OHM Min. at 500 VDC between charged parts and the case

Dielectric strength

1000 VAC at 50/60 Hz for 1 minute between charged parts and the case

Vibration resistance

10 to 2000 Hz, 1.5-mm or 300m/s2 double amplitude for 0.5 hours each in X, Y, and Z directions

Shock resistance

1000m/s2 for 3 times each in X, Y, and Z directions

Degree of protection

IEC60529: IP67

Applicable standard (EC Directive (Low Voltage Directive))

EN60947-5-2

Applicable standard (EC Directive (EMC Directive))

EMI: EN60947-5-2

Emission Enclosure: EN55011 Group 1 class A

EMS: EN60947-5-2

Immunity ESD: IEC61000-4-2

Immunity RF-interference: IEC61000-4-3

Immunity Burst: IEC61000-4-4

CE marking: Equipped

Connection method

Pre-wired models (Cable length: 2 m)

Indicator

Operation indicator(orange), Stability indicator(green)

Weight (packed state)

approx. 40 g

Tightening torque

0.15 N.m Max. (with M2 screw via flat washers or spring washers)

Material (case)

PBT

Material (lens)

Denatured Polyarylate

Accessories

Instruction manual, Cross-shaped recess screw(M2*14), Nut, Spring washers, Flat washers