WTB250-2N1141

Compact photoelectric sensors
W250-2

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SẢN PHẨM LUÔN ĐƯỢC KIỂM TRA TRƯỚC KHI XUẤT KHO
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Features

Functional principle	Photoelectric proximity sensor
Functional principle detail	Background suppression
Dimensions (W x H x D)	20 mm x 65 mm x 43.9 mm
Housing design (light emission)	Rectangular
Sensing range max.	150 mm … 500 mm ¹⁾
Sensing range	150 mm … 500 mm ¹⁾
Focus	Approx. 3°
Type of light	Visible red light
Light source	LED ²⁾
Light spot size (distance)	Ø 30 mm (500 mm)
Angle of dispersion	Approx. 3°
Adjustment	Potentiometer, 2 turns ³⁾ Potentiometer, 2 rotations

Mechanics/electronics

Supply voltage	10 V DC … 30 V DC ¹⁾
Ripple	< 5 V_pp ²⁾
Current consumption	35 mA ³⁾
Switching output	NPN
Switching mode	Light/dark switching
Switching mode selector	Selectable via L/D control cable
Output current I_max.	≤ 100 mA
Response time	≤ 3 ms ⁴⁾
Switching frequency	160 Hz ⁵⁾
Connection type	Cable, 4-wire, 2 m ⁶⁾
Cable material	PVC
Conductor cross section	0.18 mm²
Cable diameter	Ø 3.8 mm
Circuit protection	A ⁷⁾ B ⁸⁾ C ⁹⁾ D ¹⁰⁾
Protection class	III
Weight	150 g
Housing material	Plastic, ABS
Optics material	Plastic, PMMA
Enclosure rating	IP67
Items supplied	BEF-W250 mounting bracket
Electromagnetic compatibility (EMC)	EN 60947-5-2 ¹¹⁾
Ambient operating temperature	–25 °C … +55 °C
Ambient temperature, storage	–40 °C … +70 °C
UL File No.	NRKH2.E300503 & NRKH8.E300503

¹⁾ Limit values when operated in short-circuit protected network: max. 8 A.
²⁾ May not exceed or fall below U_v tolerances.
³⁾ Without load.
⁴⁾ Signal transit time with resistive load.
⁵⁾ With light/dark ratio 1:1.
⁶⁾ Do not bend below 0 °C.
⁷⁾ A = V_S connections reverse-polarity protected.
⁸⁾ B = inputs and output reverse-polarity protected.
⁹⁾ C = interference suppression.
¹⁰⁾ D = outputs overcurrent and short-circuit protected.
¹¹⁾ The AC/DC devices comply with the Radio Safety Requirements for the industrial sector (Radio Safety Class A). They may cause radio interference if used in a residential area.

Classifications