User guide

24-9
Standard Pressure Switches
16
17
18
19
20
21
22
24
23
25
26
27
28
For overpressure monitoring of non-aggressive liquids and gaseous media.
Fixed pressure hysteresis
0,2 ... 2,5 0,15 ... 1,5 – 16 1.4104 + 1.4571 DCMV3
0,5 ... 6 0,25 ... 2 – 16 1.4104 + 1.4571 DCMV6
1 ... 10 0,5 ... 2,8 – 25 1.4104 + 1.4571 DCMV10
3 ... 16 0,7 ... 3,5 – 25 1.4104 + 1.4571 DCMV16
4 ... 25 1,3 ... 6 – 60 1.4104 + 1.4571 DCMV25
8 ... 40 2,6 ... 6,6 – 60 1.4104 + 1.4571 DCMV40
16 ... 63 3 ... 10 – 130 1.4104 + 1.4571 DCMV63
Syphon for high temperature, steel, U-shape (for more accessories, see Accessories
for Pressure Switches / Transmitters)
U430B
Pressure adjustment
range
Adjustable switching
differential
Switching differential Max. pressure Sensing element
material
Type
bar bar bar bar
Pressure switch for liquid, gas, small range (DCM)
Kind of pressure overpressure, relative
Pressure connection internal thread G1/4, external thread G1/2
Electrical connection Plug DIN 43650
Protection class IP54
Housing material rugged housing of seawater resistant aluminium die casting GD Al Si
12.
Media temp. -15 ... 60
o
C
Media temp. limit temperatures up to 85
o
C are allowable for short periods. Higher
temperatures are possible, provided that the limit is safeguarded by
suitable measures (e.g. water tube trap, see Accessories for Pressure
Switches / Transmitters)
Ambient temperature -15 ... 60
o
C
Ambient temp. limit at temperatures below 0
o
C, ensure that no water condensation can
arise in the sensor and in the switching device
Switch function/capacity SPDT Microswitch 250 Vac; capacity 5 A inductive, 8 A resistive
Optional functions add the type numbers below to the listed type numbers for extra
functionality as described
• -301: terminal connection housing, IP65
• -213: gold-plated contacts, switching capacity: max. 24 Vdc, 100
mA, min. 5 Vdc, 2 mA. And others not available with adjustable
switching difference.
• -351: protection class IP65 and switching housing with surface
protection (chemical version)
• -513: gold-plated contacts, switching differential permanent, IP65,
switching capacity: max. 24 Vdc, 100 mA, min. 5 Vdc, 2 mA;
suitable isolating switching amplifier, degree of protection EEx-i
Pressure adjustment range Switching differential Max. pressure Sensing element material Type
mbar mbar bar
1 ... 16 2 1 Perbunan + 1.4301 DCM4016
4 ... 25 2 1 Perbunan + 1.4301 DCM4025
10 ... 100 12 10 Perbunan + Brass DCM1000
15 ... 60 10 12 1.4104 + 1.4571 DCM506
Syphon for high temperature, steel, U-shape (for more accessories, see Accessories
for Pressure Switches / Transmitters)
U430B