Photoelectric Sensor Pepperl+Fuchs LA39/LK39-Z/31/40a/116

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Photoelectric Sensor LA39/LK39-Z/31/40a/116

Brand: Pepperl+Fuchs
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Datasheet excerpt: Technical data of LA39/LK39-Z/31/40a/116

Classifications

Item Specification
Through-beam sensor with a 20 m detection range, infrared light source, light/dark operation, AC/DC interoperability, relay contact output, Sensitivity calibration feature, timer function, and terminal chamber

System elements
Emitter		LA39/116
Receiver		LK39-Z/31/40a/116
Overall specifications
Operational sensing range		0 ... 20 m
detection range threshold		25 m
modification range		2 ... 25 m
Reference point		receiver
illumination source		IRED
Illumination type		modulated infrared light
Ambient light threshold		10000 Lux
Parameters related to functional safety
MTTF_d		916 a
task duration (T_M)		20 a
Diagnostic Range (DC)		0 %
Indicators/operation controls
Operational status indicator		Red LED (transmitter)
operation indicator		Yellow indicator LED: status of switching LED red: pre-failure alert
control components		Detection distance calibrator, light-on/dark-on toggle switch
control components		control switch for timing functions
Electrical parameters
Operational voltage		12 ... 240 V DC / 24 ... 240 V AC (50 ... 60 Hz)
Ripple		10 %
No-load input current		= 60 mA receiver and emitter
Ingress protection rating		II, rated voltage = 250 V AC with pollution degree 1-2 according to IEC 60664-1 Caution! The protection class 2 is applicable only when the terminal chamber is secured. The output circuit features basic insulation to the control circuit in accordance with IEC/EN 61140
Energy usage		= 3 VA
Delay time prior to availability		= 300 ms
Output
Type of switch		light/dark on
Output signal		1 relay output
Switching voltage level		max. 240 V AC ; 150 V DC
Switching capacity		max. 3 A
Conversion power		DC: max. 90 W AC: max. 750 VA
commutation frequency		= 25 Hz
reaction time		= 20 ms
Timing feature		On/off delay or pulse extension selectable
Compliance
Product specification		EN 60947-5-2
Certifications and approvals
CCC certification		Approved by China Compulsory Certification (CCC)
Certifications		CE
Environmental conditions
Ambient temperature		-25 ... 55 °C (-13 ... 131 °F)
Ambient storage temperature		-40 ... 70 °C (-40 ... 158 °F)
Mechanical characteristics
Protection等级		IP54
Linkage		terminal chamber PG9, = 0.75 mm²
Material
	Housing	PBT
	optical surface	PMMA
Mass		Emitter: approx. 90 g receiver: approx. 110 g
Measurements
	Height	64 mm
	Width	25 mm
	Depth	75 mm
Overview information
Contents of shipment		installation assistance