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WE77/Ex2 倍加福開關放大器現(xiàn)貨供應

???????倍加福WE77/Ex2開關放大器，雙通道，每個通道1個繼電器觸點輸出（轉換觸點），弗熙堡從事自動化產(chǎn)品經(jīng)銷多年，一切從客戶實際需求出發(fā)，備有大量現(xiàn)貨，竭誠為您服務，您值得選擇！021-51601058

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倍加福WE77/Ex2開關放大器現(xiàn)貨供應

產(chǎn)品特點

? 2通道

? 控制電路EEx ia IIC

? 230 V AC電源電壓

? 鉛破損（LB）監(jiān)控

? 每個通道1個繼電器觸點輸出（轉換觸點）

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 V_eff
Input/power supply		reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V_eff
Output/power supply		basic insulation according to IEC/EN 61010-1, rated insulation voltage 300 V_eff
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.

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WE77/Ex2 倍加福開關放大器現(xiàn)貨供應

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