Dungs GW A4 Series Manuel - Page 3
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Specifications
Max. operating pressure
Pressure connection
Measuring connection
Temperature range
Materials
Switching voltage
Nominal current
Switching current
Electrical connection
Degree of protection
Setting tolerance
3 ... 6
NB, ÜB, GW 3 A4 - GW 150 A4
NB, ÜB, GW 500 A4
Standard:
Special design:
Test nipple integrated in metal housing, ø 9
Ambient temperature
Medium temperature
Storage temperature
Housing
Switch
Diaphragms
Switching contact
AC eff. min. 10 V
DC
min. 12 V
AC eff. 10 A
AC eff. 6 A
AC eff. 3 A
AC eff. min. 20 mA
DC
min. 20 mA
DC
max. 1 A
Standard:
Special design:
IP 54 as per IEC 529 (EN 60529)
± 15% switching point deviation referred to reference value, adjusted as
pressure rises, vertical diaphragm position
500 mbar (50 kPa)
600 mbar (60 kPa)
G 1/4 female thread on centre of housing underside
as per ISO 228
additionally G 1/4 female thread on opposite
measuring conection side
-15 °C to +60 °C
-15 °C to +60 °C
-30 °C to +80 °C
aluminium die casting
polycarbonate
NBR basis
Ag, fine silver, optional (Au)
max. 250 V
max.
48 V
at cos ϕ 1
at cos ϕ 0,6
at screw terminals via PG* 11 cable gland
(* heavy-gauge conduit thread)
plug connection for line sockets as per
DIN 43 650 A, 3-pin with protective contact