Pepperl+Fuchs WE77/EX1 Part No. 01544S Switch Amplifier

1-channel

Control circuit EEx ia IIC

230 V AC supply voltage

Reversible mode of operation

Lead breakage (LB) monitoring

Rated voltage :- 198 ... 253 V AC ; 45 ... 65 Hz

Power dissipation :- 1.6 W

Power consumption :- approx. 2.3 VA

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

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

Switching frequency :- < 10 Hz

Ambient temperature :- -20 ... 60 °C (-4 ... 140 °F)

Degree of protection :- IP20

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.)