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** Difference between switching pressure and pos-
sible reset.
*** Mean switching differential at min. and max. set-
ting
▷ Deviation from the switching point during testing
pursuant to EN 1854: air pressure switch: ± 15%.
▷ If the DL does not trip at the desired switch-
ing point, correct the adjusting range using the
hand wheel. Relieve the pressure and repeat
the process.
Function check
▷ We recommend a function check once a year.
DL..A
▷ Press the test key during operation – the pressure
switch switches.
▷ In case of differential pressure, press both keys
simultaneously.
TEST
Accessories
Z-angle bracket
40 (1.6")
1 (0.04")
10 (0.39")
59 (2.3")
DL..K: Order No.: 74916158
DL..A: Order No.: 74913661
50 (1.97")
30 (1.18")
45 (1.77")
25 (0.98")
+
TEST
–
TEST
+
ø 4,2 (0.17")
ø 5,5 (0.22")
ø 6 (0.22")
Fastening set with screws, U-shape bracket
7 5 ( 2
2 0
( 0 . 7 9
" )
45 (1.77")
25 (0.98")
24 (0.94")
43
64 (2.52")
Order No.: 74915387
Restrictor orifice for DL..A
In the case of high pressure fluctuations, we recommend
using a restrictor orifice (contains non-ferrous metals).
Hole diameter Ø 0.2 mm, Order No.: 75456321.
Hole diameter Ø 0.3 mm, Order No.: 75441317.
Standard coupler plug
Order No.: 74916159
Pilot lamp set, red or blue
GB-4
4 7 , 5
. 9 5 " )
( 1 . 8
7 " )
M4 x 12
50 (1.97")
30 (1.18")
M4 x 10
(1.69")
-0,3
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