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WE77/Ex-1 230V Switch Amplifier

主要优势一览

  • 1-channel
  • Control circuit EEx ia IIC
  • 230 V AC supply voltage
  • Reversible mode of operation
  • Lead breakage (LB) monitoring
  • 1 relay contact output (change-over contact)

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Product photo: Switch Amplifier WE77/Ex-1 230V
Dimensions: Switch Amplifier WE77/Ex-1 230V
Product photo: Switch Amplifier WE77/Ex-1 230V
Dimensions: Switch Amplifier WE77/Ex-1 230V
Product Compliance: Europe – CE
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数据表功能分类Product Documentation认证

WE77/Ex-1 230V 技术数据

Signal typeDigital Input
Connectionterminals 11, 12
Rated voltageUr198 ... 253 V AC ; 45 ... 65 Hz
Power dissipation1.6 W
Power consumptionapprox. 2.3 VA
Connection sidefield side
Connectionterminals 1-, 2+
Rated valuesacc. to EN 60947-5-6 (NAMUR), see manual for electrical data
Open circuit voltage/short-circuit currentapprox. 8 V DC / approx. 8 mA
Switching point/switching hysteresis1.2 ... 2.1 mA / approx. 0.2 mA
Pulse/Pause ratiomin. 0.5 ms / min. 0.5 ms
Line fault detectionbreakage I ≤ 0.1 mA
Connection sidecontrol side
Connectionterminals 7, 8, 9
Outputsignal ; relay
Contact loading253 V AC/2 A/500 VA/cos φ min. 0,7; 125 V AC/4 A/500 VA cos φ min. 0,7; 40 V DC/2 A/80 W ohmic load
Energized/De-energized delayapprox. 10 ms / approx. 20 ms
Mechanical life107 switching cycles
Switching frequency< 10 Hz
Input/Outputreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Input/power supplyreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output/power supplybasic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Display elementsLED
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Low voltage
Directive 2014/35/EUEN 61010-1:2010
Degree of protectionIEC 60529
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Degree of protectionIP20
Connectionscrew terminals
Massapprox. 390 g
Dimensions40 x 104 x 110 mm (1.6 x 4.1 x 4.3 inch) (W x H x D) , housing type W1
Height104 mm
Width40 mm
Depth100 mm
EU-type examination certificatePTB 02 ATEX 2065
MarkingEx-Hexagon II (1)GD [EEx ia] IIC [circuit(s) in zone 0/1/2]
InputEx ia
VoltageUo13.4 V DC
CurrentIo31 mA
PowerPo145 mW (trapezoid characteristic curve)
Supply
Maximum safe voltageUm253 V AC (Attention! The rated voltage can be lower.)
Output
Maximum safe voltageUm253 V AC (Attention! The rated voltage can be lower.)
Galvanic isolation
Input/Outputsafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Input/power supplysafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity
Directive 2014/34/EUEN 60079-0:2012+A11:2013 , EN 60079-11:2012
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
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