WE77/EX2-115VAC

Specifications in general
Type of signal - Digital Input

Supply
Terminals of connection 17, 18
Rated voltage range: 103.5–126 V AC, 45–65 Hz
2.5 W power dissipation
Approximate 3.2 VA power consumption

Input
field side of the connection
1-, 2-, 8+, 9-, 10+, 11+, 12+, 13+, 14+, 15+,
EN 60947-5-6 (NAMUR) rated values; see manual for electrical data.
Approx. 8 V DC / approx. 8 mA open circuit voltage/short-circuit current
Switching hysteresis/switching point
1.2...2.1 mA / 0.2 mA approx.
0.5 ms pulse/pause ratio / 0.5 ms pulse/pause ratio
I 0.1 mA line fault detection breaking

Output
Control side of the connection
10, 11, 12; 13, 14, 15 are the connection terminals.
Relay; output signal
40 V DC/2 A/80 W ohmic load 253 V AC/2 A/500 VA/cos min. 0,7; 125 V AC/4 A/500 VA cos min. 0,7;
Approx. 10 ms / approx. 20 ms energized/de-energized delay
107 switching cycles of mechanical life

Characteristics of transfer
10 Hz switching frequency

Isolation galvanic
IEC/EN 61010-1 reinforced input/output insulation, rated insulation voltage 300 Veff
IEC/EN 61010-1 reinforced input/power supply insulation, rated insulation voltage 300 Veff
Basic insulation of the output/power supply according to IEC/EN 61010-1, rated insulation voltage 300 Veff

Indicators/settings
LED display elements

Conformity to regulations
Compatibility with magnets

EN 61326-1:2013 Directive 2014/30/EU (industrial locations)
Low current

EN 61010-1:2010 Directive 2014/35/EU

Conformity
IEC 60529 Protection Level

Environmental factors
Temperature range: -20 to 60 degrees Celsius (-4 to 140 degrees Fahrenheit).

Mechanical requirements
Degree of security
Screw terminals for IP20 connections
410 g (about)
Housing type W2, dimensions 60 x 104 x 110 mm (2.4 x 4.1 x 4.3 inch) (W x H x D)

Data for use in potentially hazardous environments
PTB 02 ATEX 2065 EU-type inspection certificate

[EEx ia] Marking II (1)GD IIC [zone 0/1/2 circuit(s)]

Ex ia as input

13.4 volts direct current

31 mA current

145 mW output (trapezoid characteristic curve)

126.5 V AC is the maximum safe voltage. (Be aware that the rated voltage can be lower.)
Output

253 V AC is the maximum safe voltage. (Be aware that the rated voltage can be lower.)
Isolation galvanic

IEC/EN 60079-11 input/output safe electrical separation, voltage peak value 375 V

IEC/EN 60079-11 input/power supply secure electrical separation, voltage peak value 375 V Directive conformance

EN 60079-0:2012+A11:2013, EN 60079-11:2012 Directive 2014/34/EU