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101-11-301-002-EH-0712.pdf
The factory-setpressure switches.
101-11-301-002-EH-0712
101-11-301-002-EH-0712.pdf
Pressure switch 901with factory-set pressure setting
ApplicationFactory-set pressure switch monitoring overpressure, vacuum ordifferential pressure of liquid and gaseous – also aggressive –media. Pressure setting and switching differential are factory-set by themanufacturer.
Temperature rangeAmbient temperature from –20° C to 85° C. Temperature of media up to 85° C or 130° C depending onmaterial of pressure connection and diaphragm.
Diaphragm materialDepending on media NBR, Silicone, FKM (Viton®), EPDM.For 901.30 Silicone, others upon request.
Electrical ratingValues indicated for resistive loadAgNi-contacts: 6 (1.5) A/250 VAC
2 A/24 VDCGold-plated contacts: 100 mA/24 VAC
30 mA/24 VDCAgNi-contacts up to 10 A/250 VAC can be supplied upon request.
Electrical connectionAMP connection 6.3 mm x 0.8 mm DIN 46244.
Arrangement of contactsfor 901.1x, 901.30, only for 901.2x901.41, 901.51
CE Conformityeach depending on technical specification: Low Voltage Directive 2006/95/EC; RoHS Directive 2002/95/EC; ATEX-Directive 94/9/EC; Product types tested by TÜV Südwest.
LifeMinimum 106 cycles.
DampingRestrictors alternatively with 0.3/0.5/0.8 mm diameter.
AccessoriesVarious mounting brackets and protection caps with IP 44, IP 54 and IP 65.
Mounting positionMounting in any position, to be specified for settings below100 mbar.
1
P2
3
1
– P 2
3
PA = polyamide, PVDF = polyvinyldifluoride, PPS = polyphenylensulfide, CuZn40 = brass, V2A = stainless steel
For temperature above 85° C metal or PPS pressure connection is required. Upon request pressure connections of other sizes, otherplastics or brass nickel-plated are available.
BAUMUSTERGEPRUFT...
SUDWEST
TUV.
Viton® is a registered trademark of DuPont Dow Elastomers.
Type Tube connection Threaded connection5.0 mm 6.5 mm 10.0 mm M10 x1 G1/8 G1/4 G1/2
901.1x PA PA, PPS PA, PPS PA, PVDF PA, PVDF PVDF CuZn40 CuZn40, V2A CuZn40, V2A CuZn40, V2A
901.2x PA PA, PPS PA, PPS PA, PVDF PA, PVDF CuZn40, V2A CuZn40CuZn40, V2A CuZn40, V2A
901.30 PA901.41 PA, PPS PA, PPS PA,PVDF PA, PVDF CuZn40, V2A CuZn40
CuZn40, V2A CuZn40, V2A 901.51 CuZn40 CuZn40, V2A CuZn40, V2A
Pressure connection
101-11-301-002-EH-0712
101-11-301-002-EH-0712.pdf
Overpressure range
Type Factory-set Standard switching Tolerance Maximum Maximumtrip pressure differential band in % of positive negative
trip pressure working workingpressure pressure
between and of range of range
901.1x 5 mbar 200 mbar 2.5 mbar 50 mbar ±10 % 0.5/4 bar –/–1 bar
200 mbar 1.000 mbar 50 mbar 150 mbar ±10 % 1/4 bar –/–1 bar
901.41 500 mbar 3.000 mbar 200 mbar 600 mbar ±10 % 10 bar –1 bar
901.51 1.0 bar 12 bar 0.2 bar 1.5 bar ±10 % 25 bar –1 bar
lower end upper end
lower end upper end
standard/extended
standard/extended
standard/extended
standard/extended
Vacuum rangeType Factory-set Standard switching Tolerance Maximum Maximum
trip pressure differential band in % of positive negativetrip pressure working working
pressure pressure
between and of range of range
901.2x – 5 mbar – 200 mbar 2.5 mbar 50 mbar ±10 % 0.5/4 bar –1 bar
– 200 mbar – 900 mbar 50 mbar 150 mbar ±10 % 1/4 bar –1 bar
Differential pressure range
Type Factory-set Standard switching Tolerance Maximum Maximumtrip pressure differential band in % of positive negative
trip pressure working workingpressure pressure
between and of range of range
901.30 5 mbar 50 mbar 2.5 mbar 25 mbar ±10 % 100 mbar –100 mbar
standard/extended
standard/extended
lower end upper end
101-11-301-002-EH-0712
101-11-301-002-EH-0712.pdf
901.10/20 901.30
901.11/21/41 901.51
Pressure switch 901 with factory-set pressure setting
Ø 45
15
23
13
35
Ø 45
12
22
13
35
Ø 45
23
15
43 Ø 6
.511
Ø 45
12
22
16
38
Mounting brackets6403 6404 6405
Ø 14Ø 10
.5Ø 16
30
54
11
22
30
18
Ø 45
Ø 48.5
2950
.5
Ø 46
3550
Ø 46
61
50
6345 IP 54
6374 IP 54 / 6375 IP 65
6371 IP 54 / 6372 IP 65
Protection caps6329 IP 44
101-11-301-002-EH-0712
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