Photoelectric Sensor Pepperl+Fuchs RLK28-55/31/116

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Photoelectric Sensor RLK28-55/31/116

Brand: Pepperl+Fuchs
Product Code:

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Datasheet excerpt: Technical data of RLK28-55/31/116

Classifications

Item Specification
Retroreflective detector featuring a polarization filter

Overall specifications
Operational sensing range		0 ... 17 m
reflector spacing		0.05 ... 17 m
detection range threshold		21 m
Reference point		H85-2 reflective surface
illumination source		LED
Illumination type		modulated red light in the visible spectrum
polarizing filter		yes
Size of the illumination spot		approximately 290 mm at a distance of 17 m
angle of opening		emitter 1.2° receiver 2nd
Ambient light threshold		80000 Lux
Parameters related to functional safety
MTTF_d		600 a
task duration (T_M)		20 a
Diagnostic Range (DC)		0 %
Indicators/operation controls
Operational status indicator		LED green
operation indicator		2 yellow LEDs illuminate when the light beam is unobstructed, flash when the functioning reserve is insufficient, and turn off when the light beam is broken
control components		Sensitivity calibration (Calibration to < 25% of the usable functioning range), Light-on/dark-on toggle switch
Electrical parameters
Operational voltage		12 ... 240 V AC/DC
Energy usage		= 3.5 VA
Output
Type of switch		switchable light/dark mode
Output signal		Relay, 1 alternator
Switching voltage level		max. 250 V AC/DC
Switching capacity		max. 2 A
Conversion power		DC: max. 50 W AC: max. 500 VA
commutation frequency		25 Hz
reaction time		20 ms
Compliance
Product specification		EN 60947-5-2
Certifications and approvals
Ingress protection rating		II, rated insulation voltage = 250 V AC with pollution degree 1-2 according to IEC 60664-1 Output circuit insulated from control circuit in accordance with IEC 61140. Caution! The protection class 2 applies only when the terminal chamber is secured
UL certification		E87056, cULus Certified Caution: This equipment is categorized as open-type. It should be installed within an enclosure that is properly designed to protect against internal fires and personal injury due to access to live components in accordance with UL 508
CCC certification		Approved by China Compulsory Certification (CCC)
Environmental conditions
Ambient temperature		-40 ... 60 °C (-40 ... 140 °F)
Ambient storage temperature		-40 ... 60 °C (-40 ... 140 °F)
Mechanical characteristics
Protection等级		IP67
Linkage		terminal chamber featuring 8 spring-loaded terminals for wire cross-section of 0.5 ... 1.5 mm² , Insulation stripping 7.5 ... 8.5 mm , M16 x 1.5 cable gland
Material
	Housing	Plastic ABS
	optical surface	synthetic panel
Mass		112 g
Measurements
	Height	88 mm
	Width	25.8 mm
	Depth	65.5 mm