Isolated Switch Amplifier | WE 77/Ex-2 110V
Артикул: WE 77/Ex-2 110V
Наименование: Isolated Switch Amplifier | WE 77/Ex-2 110V
Производитель: Pepperl-Fuchs
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2-channel Control circuit EEx ia IIC 115 V AC mains nominal voltage Reversible mode of operation Lead breakage (LB) monitoring 1 relay output with 1 changeover contact per channel
Datasheet as PDF in following languages:
Technical Data: WE 77/Ex-2 110V Supply Connection terminals 17, 18 Rated voltage 103.5 ... 126 V AC , 45 ... 65 Hz Power loss 2.5 W Power consumption approx. 3.2 VA Input 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 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 Directive conformity Electromagnetic compatibility Standards Directive 89/336/EEC EN 61326, EN 50081-2, NE 21 Ambient conditions Ambient temperature -25 ... 60 В°C (-13 ... 140 В°F) Mechanical specifications Protection degree IP20 Mass approx. 410 g Data for application in connection with Ex-areas EC-Type Examination Certificate PTB 02 ATEX 2065 ; for additional certificates see www.pepperl-fuchs.com Group, category, type of protection II (1)GD [EEx ia] IIC [circuit(s) in zone 0/1/2]Directive conformity Standards Directive 94/9/EC EN 50014, EN 50020
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