3
72
PRESSURE
SWITCHES
&
SENSORS
For further information www.norgren.com/us
18D
Electrical connection M12x1 acc. to IEC 947-5-2 - connector are not included in delivery, max. allowable voltage 30 V.
The pressure switch will lose the Ex approval when using other connectors than those listed in the data sheet.
*1) Setpoints should be ideally in the middle of the switching pressure range. Reference pressure = atmospheric pressure. Switching pressure must not exceed the indicated values.
*2) Max. values.
*3) NPT versions may be available upon request. Please contact technical support.
Accessories for use with all 18D series switches
Symbol Model Pressure
range *1)
(bar)
Switching pressure difference
Lower range Upper range
(bar) (bar)
Max. Over
pressure *2)
(bar)
Switching
cycles
(1/min)
Materials
Pressure Sealing
sensor housing
Port
size*3)
0880181000000000 -1 ... 0 0.15 0.18 80 100 Aluminum FPM/BR/NBR G1/4
0880281000000000 0.2 ... 2 0.20 0.35 80 100 Aluminum FPM/BR/NBR G1/4
0880381000000000 0.5 ... 8 0.35 0.85 80 100 Aluminum FPM/BR/NBR G1/4
0880481000000000 1 ... 16 0.40 1.20 80 100 Aluminum FPM/BR/NBR G1/4
0880681000000000 1 ... 30 1 5 80 100 Aluminum FPM/BR/NBR G1/4
0881181000000000 -1 ... 0 0.15 0.18 80 100 Aluminum FPM/BR/NBR Flange
0881281000000000 0.2 ... 2 0.20 0.35 80 100 Aluminum FPM/BR/NBR Flange
0881381000000000 0.5 ... 8 0.35 0.85 80 100 Aluminum FPM/BR/NBR Flange
0881481000000000 1 ... 16 0.40 1.20 80 100 Aluminum FPM/BR/NBR Flange
0881681000000000 1 ... 30 1 5 80 100 Aluminum FPM/BR/NBR Flange
Connector Connector M 12 x 1
90°
Connector M 12 x 1
straight
0570110000000000 0523058000000000 (2 m cable, 4-core) 0523056000000000 (90° without cable) 0523057000000000 (2 m cable, 4-core) 0523055000000000 (without cable)
0523053000000000 (5 m cable, 4-core) 0523052000000000 (5 m cable, 4-core)
18D ATEX
Electro-mechanical pressure switch
-1 ... 30 bar G1/4 & Flanged
