E4A-3K

Ultrasonic Reflective Sensor

E4A-3K

Sensor with an Adjustable Sensing Distance of 0.3 to 3 m Under Stable Operation without Background Interference

* Information in this page is a reference that you created on the basis of information in the product catalog before the end of production, may be different from the current situation, such as goods for / supported standards options / price / features of the product. Before using, please check the compatibility and safety system.

last update: September 1, 2015

Supply voltage		100, 110, 200, and 220 VAC ± 10% at 50/60 Hz (see note)
Power consumption		Approx. 2.5 VA
Sensing distance		Adjustable between 0.3 and 3 m (selectable ranges of 0.3 and 2 m or 1.3 and 3 m)
Standard sensing object		100-mm dia., 1.5-m-long metal or plastic round pipe
Minimum sensing object		50 x 50 mm flat plate
Ultrasonic oscillation frequency		Approx. 40 kHz
Directional angle		Half-value angle: 25°
Response time		Operate time: 0.25 s; release time: 0.5 s
Control output		Contact output: SPDT 3 A at 220 VAC, cos φ=1 (2 A at 220 VAC, cos φ=0.4) or 3 A at 24 VDC, cos φ=1 (2 A at 24 VDC, cos φ=0.4)
Ambient temperature		Operating: -20°C to 55°C (with no icing)
Ambient humidity		Operating: 45% to 85%
Insulation resistance		20 MΩ min. (at 500 VDC)
Dielectric strength		1,500 VAC, 50/60 Hz for 1 min
Vibration resistance		Destruction: 10 to 25 Hz, 1.5-mm double amplitude for 2 hrs each in X, Y, and Z directions
Shock resistance		Destruction: 500 m/s² (approx. 50G) 3 times each in ±X, ±Y, and ±Z directions
Life expectancy (output relay)	Mechanical	20,000,000 operations min.
Life expectancy (output relay)	Electrical	100,000 operations min.
Enclosure rating		IEC IP60
Weight		Approx. 500 g without Mounting Bracket Approx. 600 g with Mounting Bracket

Note: Models operating at 12 to 24 VDC are available. Specify the supply voltage when ordering.

last update: September 1, 2015

Product Category

Sensors
- Ultrasonic Sensors
  - Discontinued
    - E4A-3K

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