Datasheet

www.suco.de
2929
Zinc-plated steel body (CrVI-free)
With integrated changeover switch and silver contacts
Overpressure safe up to 300 / 600 bar
1)
Incl. polyamide cap, degree of protection IP65
0140 / 0141
Diaphragm / piston pressure switches 250 V
R o H S
compliant
Our pressure switches are
also available with factory
pre-set switching points.
Ready-wired versions can be
found starting on page 38
following.
We offer other body
materials and connecting
threads upon request.
Protection class 2,
protective insulation
Other diaphragm- / seal
materials are available on
request, e.g. HNBR or silicone
for diaphragm pressure
switches.
For further technical data
see page 26/27.
p
max.
in bar
Adjustment
range in bar
Tolerance at
room temperature
Thread Order number:
0140 Diaphragm pressure switch with screw terminals
300
1)
0.3 – 1.5 ± 0.2
G 1⁄4 0140 457 03 X 003
NPT 1/8 0140 457 04 X 300
NPT 1⁄4 0140 457 09 X 305
7/16-20 UNF 0140 457 20 X 310
9/16-18 UNF 0140 457 21 X 315
1 – 10 ± 0.5
G 1⁄4 0140 458 03 X 006
NPT 1/8 0140 458 04 X 301
NPT 1⁄4 0140 458 09 X 306
7/16-20 UNF 0140 458 20 X 311
9/16-18 UNF 0140 458 21 X 316
10 – 20 ± 1.0
G 1⁄4 0140 459 03 X 009
NPT 1/8 0140 459 04 X 302
NPT 1⁄4 0140 459 09 X 307
7/16-20 UNF 0140 459 20 X 312
9/16-18 UNF 0140 459 21 X 317
20 – 50 ± 2.0
G 1⁄4 0140 461 03 X 012
NPT 1/8 0140 461 04 X 303
NPT 1⁄4 0140 461 09 X 308
7/16-20 UNF 0140 461 20 X 313
9/16-18 UNF 0140 461 21 X 318
0141 Piston pressure switch with screw terminals
600
1)
50 – 150 ± 5.0
G 1⁄4 0141 460 03 X 003
NPT 1/8 0141 460 04 X 304
NPT 1⁄4 0141 460 09 X 309
7/16-20 UNF 0141 460 20 X 314
9/16-18 UNF 0141 460 21 X 319
Diaphragm / seal material
– areas of application
NBR Hydraulic / machine oil, heating oil, air, nitrogen etc. 1
EPDM Brake uid, ozone, acetylene, hydrogen etc. 2
FKM Hydraulic uids (HFA, HFB, HFD), petrol/gasoline etc. 3
Temperature ranges of diaphragm / seal materials see page 26
Order number:
014X XXX XX X XXX
Piston pressure switches are only to a limited extent suitable for use with gases.
See explanation on page 9.
~50 before tightening
~50
Pg 9
only NPT 1/4
hex 27
9 14
Ø 26
With male thread
1)
Static pressure, dynamic pressures should be 30 to 50% lower. These values refer to the hydraulic or pneu-
matic part of the pressure switch.