Pepperl+Fuchs WE 77/EX-2 230V 129198

Manufacturer

Pepperl+Fuchs

Name

WE 77/EX-2 230V

Part number

129198

Country

Germany

Weight (g)

397

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The device transfers digital signals into hazardous areas. Sensors per EN 60947-5-6 (NAMUR) or mechanical contacts may be used as transmitters. The control circuit is monitored for lead breakage (LB).

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General specifications
Signal type	Digital Input
Supply
Connection	terminals 17, 18
Rated voltage	198 ... 253 V AC , 45 ... 65 Hz
Power dissipation	2.5 W
Power consumption	approx. 3.2 VA
Input
Connection side	field side
Connection	terminals 1-, 2+, 8+, 9-
Rated values	acc. to EN 60947-5-6 (NAMUR), see system description for electrical data
Open circuit voltage/short-circuit current	approx. 8 V DC / approx. 8 mA
Switching point/switching hysteresis	1.2 ... 2.1 mA / approx. 0.2 mA
Pulse/Pause ratio	min. 0.5 ms / min. 0.5 ms
Line fault detection	breakage I &le, 0.1 mA
Output
Connection side	control side
Connection	terminals 10, 11, 12, 13, 14, 15
Output	signal , relay
Contact loading	253 V AC/2 A/500 VA/cos &phi, min. 0,7, 125 V AC/4 A/500 VA cos &phi, min. 0,7, 40 V DC/2 A/80 W ohmic load
Energized/De-energized delay	approx. 10 ms / approx. 20 ms
Mechanical life	107 switching cycles
Transfer characteristics
Switching frequency	< 10 Hz
Galvanic isolation
Input/Output	reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Input/power supply	reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output/power supply	basic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Indicators/settings
Display elements	LEDs
Directive conformity
Electromagnetic compatibility
	Directive 2014/30/EU	EN 61326-1:2013 (industrial locations)
Low voltage
	Directive 2014/35/EU	EN 61010-1:2010
Conformity
Degree of protection	IEC 60529
Ambient conditions
Ambient temperature	-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protection	IP20
Connection	screw terminals
Mass	approx. 410 g
Dimensions	60 x 104 x 110 mm (2.4 x 4.1 x 4.3 inch)
Data for application in connection with hazardous areas
EU-Type Examination Certificate	PTB 02 ATEX 2065
	Marking	II (1)GD [EEx ia] IIC [circuit(s) in zone 0/1/2]
	Input	Ex ia
	Voltage	13.4 V DC
	Current	31 mA
	Power	145 mW (trapezoid characteristic curve)
Supply
	Maximum safe voltage	253 V AC (Attention! The rated voltage can be lower.)
Output
	Maximum safe voltage	253 V AC (Attention! The rated voltage can be lower.)
Galvanic isolation
	Input/Output	safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
	Input/power supply	safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity
	Directive 2014/34/EU	EN 60079-0:2012+A11:2013 , EN 60079-11:2012
General information
Supplementary information	Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.