Dungs AA-A1-3-2 Kurulum Talimatları - Sayfa 2
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Specifications
AA...A1
SPDT differential pressure switch in pressure and vacuum ranges. The differential pressure acts via the
diaphragm against the force of the setting spring on the micro-switch. The pressure switch operates
without any auxiliary power.
[PSI]
[V] [A]
[Hz] [VA]
Ag
[A]
NEMA
Models Designations & Ranges
Type
Version
AA-A1-0-...
AA-A1-0-2
AA-A1-0-3
AA-A1-0-4
AA-A1-3-...
AA-A1-3-2
AA-A1-3-3
AA-A1-3-4
Max. Operating Pressure
MOP = 1.5 PSI (103 mbar)
Electrical Connection
1/4 x 1/32" (6.3 x 0.8 mm)
flat male terminals
Contact Rating
5 A resistive,
3 A inductive @ 120 VAC
1 A @ 12 - 48 VDC
Enclosure
NEMA Type 1 / NEMA Type 12 with
appropriate cover
Description
No cover
No cover
No cover
Includes NEMA Type 12 cover
and 1/2 NPT conduit connection
Includes NEMA Type 12 cover
and 1/2 NPT conduit connection
Includes NEMA Type 12 cover
and 1/2 NPT conduit connection
°F
+140
0
-40
Gas
Order No.
Factory setting
range
in. W.C.
266906
0.16 - 1.20
266904
0.40 - 4.00
266908
1.00 - 20.00
266907
0.16 - 1.20
266905
0.40 - 4.00
266909
1.00 - 20.00
Ambient / Medium Temperature
-40 °F ... +140 °F
(-40 °C ... +60 °C)
Gases
Air and non-aggressive gases.
Not suitable for natural gas, propane,
butane and other combustable
gases.
Materials in contact with Gas
Housing: Polycarbonate
Switch: Polycarbonate
Diaphragm: NBR-based rubber
Switching contact: Silver (Ag)
Switching
hysteresis
in. W.C.
≤ 0.14
≤ 0.20
≤ 0.40
≤ 0.14
≤ 0.20
≤ 0.40
2 ... 5