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WE77/Ex2 倍加福開關(guān)放大器現(xiàn)貨供應(yīng)

WE77/Ex2 倍加福開關(guān)放大器現(xiàn)貨供應(yīng)

???????倍加福WE77/Ex2開關(guān)放大器，雙通道，每個(gè)通道1個(gè)繼電器觸點(diǎn)輸出（轉(zhuǎn)換觸點(diǎn)），弗熙堡從事自動(dòng)化產(chǎn)品經(jīng)銷多年，一切從客戶實(shí)際需求出發(fā)，備有大量現(xiàn)貨，竭誠為您服務(wù)，您值得選擇！021-51601058

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立即詢價(jià) WE77/Ex2 倍加福開關(guān)放大器現(xiàn)貨供應(yīng)
倍加福WE77/Ex2開關(guān)放大器現(xiàn)貨供應(yīng)
WE77/Ex2
產(chǎn)品特點(diǎn)
       ? 2通道
       ? 控制電路EEx ia IIC
       ? 230 V AC電源電壓
       ? 鉛破損（LB）監(jiān)控
       ? 每個(gè)通道1個(gè)繼電器觸點(diǎn)輸出（轉(zhuǎn)換觸點(diǎn)）

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 ≤ 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 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 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 Ex-Hexagon 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.

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