Product catalog Product catalog - Unicom

Pressure Switches with ATEX Approval
Ambient temperature -15 ... 60 oC Ambient temp. limit at temperatures below 0 oC, ensure that no water condensation can
arise in the sensor and in the switching device
Switch function/capacity SPDT Microswitch; capacity 2 A inductive, 3 A resistive
Certificates ATEX-approval No. PTB 02 ATEX 1121
Pressure adjustment range Switching differential Max. pressure Sensing element material Type
bar bar bar
0,004 ... 0,025 0,002 0,5 Perbunan + Aluminium EX-DDCM252
0,01 ... 0,06 0,015 1,5 Perbunan + Aluminium EX-DDCM662
0,02 ... 0,16 0,02 3 Perbunan + Aluminium EX-DDCM1602
0,1 ... 0,6 0,035 3 Perbunan + Aluminium EX-DDCM6002
-0,1 ... 0,4 0,15 15 1.4305 + 1.4571 EX-DDCM014
0,2 ... 1,6 0,13 15 1.4305 + 1.4571 EX-DDCM1
1 ... 4 0,2 25 1.4305 + 1.4571 EX-DDCM4
0,5 ... 6 0,2 15 1.4305 + 1.4571 EX-DDCM6
3 ... 16 0,6 25 1.4305 + 1.4571 EX-DDCM16
Syphon for high temperature, steel, U-shape (for more accessories, see Accessories
for Pressure Switches / Transmitters)
Vacuum switches (Ex) liquid, gas (Ex-VCM)
U430B
Vacuum switches for Ex-applications. Degree of Ex-protection: Ex II 2 G D EEx de IIC T6 IP65 T80 oC. For monitoring vacuum of non-aggressive liquids and gaseous media.
Kind of pressure vacuum, relative
Pressure connection internal thread G1/4, external thread G1/2
Electrical connection terminal connection M16x1,5
Protection class IP65
Housing material rugged housing of seawater resistant aluminium die casting GD Al Si
12.
Media temp. -15 ... 60 oC Media temp. limit temperatures up to 80 oC 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 oC Ambient temp. limit at temperatures below 0 oC, ensure that no water condensation can
arise in the sensor and in the switching device
Switch function/capacity SPDT Microswitch 250 Vac; capacity 2 A inductive, 3 A resistive
Certificates ATEX-approval No. PTB 02 ATEX 1121
Pressure adjustment range Switching differential Max. pressure Sensing element material Type
mbar mbar bar
-15 ... 6 2 1 Perbunan + 1.4301 EX-VCM4156
-250 ... 100 25 1,5 Copper + Brass EX-VCM301
-250 ... 100 45 3 1.4104 + 1.4571 EX-VNM301
-1000 ... 100 45 3 Copper + Brass EX-VCM101
-900 ... 500 50 3 Copper + Brass EX-VCM095
-1000 ... 100 50 6 1.4104 + 1.4571 EX-VNM111
Syphon for high temperature, steel, U-shape (for more accessories, see Accessories
for Pressure Switches / Transmitters)
U430B
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