WTB4S-3P2235V

Miniature photoelectric sensors
W4

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Features

Functional principle

Photoelectric proximity sensor

Functional principle detail

Background suppression

Sensing range max.

4 mm … 120 mm ¹⁾

Sensing range

10 mm … 120 mm ¹⁾

Emitted beam
Light source	PinPoint LED ²⁾
Type of light	Visible red light
Light spot size (distance)	Ø 2.5 mm (50 mm)

Key LED figures
Wave length	650 nm

Adjustment

Cable ³⁾

Special applications

Hygienic and washdown zones

Housing design

Washdown

¹⁾ Object with 90% remission (based on standard white, DIN 5033).
²⁾ Average service life: 100,000 h at T_U = +25 °C.
³⁾ External teach-in: pulse > 2 s with voltage Uv with PNP and M with NPN.

Safety-related parameters

MTTF_D 1,071 years

DC_avg 0%

T_M (mission time) 20 years

Electrical data

Supply voltage U_B

10 V DC … 30 V DC ¹⁾

Ripple

< 5 V_pp ²⁾

Current consumption

30 mA ³⁾

Protection class

III

Digital output
Type	PNP
Output current I_max.	≤ 100 mA
Response time	< 0.5 ms ⁴⁾
Switching frequency	1,000 Hz ⁵⁾

Switching mode

Light switching

Circuit protection

A ⁶⁾

B ⁷⁾

C ⁸⁾

¹⁾ Limit values, reverse-polarity protected, operation 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⁾ A = V_S connections reverse-polarity protected.
⁷⁾ B = inputs and output reverse-polarity protected.
⁸⁾ C = interference suppression.

Mechanical data

Housing

Rectangular

Design detail

Slim

Dimensions (W x H x D)

15.25 mm x 44.5 mm x 22.2 mm

Connection

Male connector M8, 4-pin ¹⁾

Material
Housing	Stainless steel, Stainless steel V4A (1.4404, 316L)
Front screen	Plastic, PMMA

Weight

40 g

¹⁾ Max. tightening torque: 0.6 Nm.

Ambient data

Enclosure rating	IP66 IP67 IP68 IP69K ¹⁾
Ambient operating temperature	–30 °C … +70 °C ²⁾ –30 °C … +60 °C
Ambient temperature, storage	–30 °C … +75 °C
UL File No.	NRKH.E181493 & NRKH7.E181493

¹⁾ Only in case of correctly mounted IP69K connecting cable.
²⁾ At UV ≤ 24 V and IA < 30 mA.

Classifications

eCl@ss 5.0	27270904
eCl@ss 5.1.4	27270904
eCl@ss 6.0	27270904
eCl@ss 6.2	27270904
eCl@ss 7.0	27270904
eCl@ss 8.0	27270904
eCl@ss 8.1	27270904
eCl@ss 9.0	27270904
eCl@ss 10.0	27270904
eCl@ss 11.0	27270904
eCl@ss 12.0	27270903
ETIM 5.0	EC002719
ETIM 6.0	EC002719
ETIM 7.0	EC002719
ETIM 8.0	EC002719
UNSPSC 16.0901	39121528