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Photoelectric sensors

G2S, Photoelectric proximity sensor, Background suppression

Type

GTB2S-E5451

Part No.

1064344

At a glance

Accurate adjustment of the operating distance due to easy operation of the 3-turn potentiometer

Reliable detection of objects of all types regardless of their reflective properties

Minimum black/white shift, less than 10% under 80 mm

Your benefits

Precise, repeatably accurate switching points with a small, brilliant and sharply defined light spot

Universal use, since a minimum black/white shift allows the sensor to be used irrespective of object contours and backgrounds

High throughput and less downtime due to the sensor's ability to suppress active and passive interference in industrial environments.

The 45-degree tilted cable entry offers maximum installation flexibility with additional soft rubber bearings to absorb vibrations and tensile loads

The powerful PinPoint LED permits reliable detection of jet-black and poorly reflective objects

Features
	Sensor/detection principle:	Photoelectric proximity sensor, Background suppression
	Dimensions (W x H x D):	7.7 mm x 27.5 mm x 13.5 mm
	Housing design (light emission):	Rectangular
	Sensing range max.:	2 mm ... 120 mm ¹⁾
	Sensing range:	25 mm ... 90 mm ²⁾
	Type of light:	Visible red light
	Light source:	PinPoint LED ³⁾
	Wave length:	640 nm
	Adjustment:	Potentiometer, 3 turns
	Light spot size (distance):	Ø 3.5 mm (50 mm)

¹⁾ Object with 90 % reflectance (referred to standard white, DIN 5033) ²⁾Object with 6 % remission ³⁾ Average service life of 100,000 h at T_A = +25 °C

Mechanics/electronics
	Supply voltage:	10 V DC ... 30 V DC ¹⁾
	Residual ripple:	≤ 5 Vpp ²⁾
	Power consumption:	≤ 20 mA ³⁾
	Output type:	NPN
	Switching mode:	Dark switching
	Output current Imax.:	< 50 mA
	Response time:	< 0.6 ms ⁴⁾
	Switching frequency:	800 Hz ⁵⁾
	Connection type:	Cable with connector M8, 3-pin, 200 mm ⁶⁾
	Cable diameter:	Ø 3 mm
	Circuit protection:	A, C, D ⁷⁾ ⁸⁾ ⁹⁾
	Optics material:	PMMA
	Enclosure rating:	IP 67
	Ambient operating temperature:	-25 °C ... +50 °C
	Ambient storage temperature:	-40 °C ... +75 °C
	UL File No.:	NRKH.E181493
	Housing material:	ABS, Plastic

¹⁾ Limit values, operation in short-circuit protected network max. 8 A ²⁾ May not exceed or fall short of V_S 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⁾ C = interference suppression ⁹⁾ D = outputs overcurrent and short-circuit protected

1064344 GTB2S-E5451