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WE77/Ex-2 115V Switch Amplifier

Key Benefits at a Glance

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

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Please contact us for exact delivery estimation.521.00 USD Net price—your individual price will be shown during checkout process.
Dimensions: Switch Amplifier WE77/Ex-2 115V
Dimensions: Switch Amplifier WE77/Ex-2 115V
Approval
Product Compliance: Europe – CE
Product Compliance: USA - cULus
Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

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DatasheetFunctionClassificationProduct DocumentationApprovals

Technical data of WE77/Ex-2 115V

Signal typeDigital Input
Connectionterminals 17, 18
Rated voltageUr103.5 ... 126 V AC , 45 ... 65 Hz
Power dissipation2.5 W
Power consumptionapprox. 3.2 VA
Connection sidefield side
Connectionterminals 1-, 2+; 8+, 9-
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 10, 11, 12; 13, 14, 15
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 elementsLEDs
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. 410 g
Dimensions60 x 104 x 110 mm (2.4 x 4.1 x 4.3 inch) (W x H x D) , housing type W2
Height104 mm
Width60 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 voltageUm126.5 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
UL approval
Control drawing116-0115C (cULus)
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
General Notes
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