Norgren 18D Datasheet

Microswitch with gold plated contacts
High number of switching cycles
Vibration resistant to 15 g
Conforms to Low Voltage Directive 2006/95/EG
Intrinsically safe operation

Technichal features

Medium:

For neutral, gaseous and liquid
fluids, non-combustible (Special
versions for water application)
Operation:
Diaphragm
Operating pressure range:

-1 ... 30 bar
Operating viscosity:
Up to 1000 mm

2

/s
Switching pressure difference:
Fixed

Repeatability:
±3% for vacuum
±4% of final value
(depending on regulating
pressure)
Switching element:
Microswitch with gold plated
contacts
Mounting position:
Optional
Degree of protection:
IP65 for DIN EN 175301-803
(DIN 43650) form A
IP67 for M12 x 1

Pneumatic pressure switch

electromechanically actuated

-1 ... 30 bar, G1/4, 1/4 NPT and flange

Electrical connection:
DIN EN 175301-803 (DIN 43650)
form A or M12 x 1 IEC 947-5-2
Fluid-/Ambient temperature:

-10 ... +85°C (NBR)
0 ... +80°C (FPM)
Air supply must be dry enough
to avoid ice formation at
temperatures below +2°C.

18D

Materials:
Housing: aluminium (brass)
Sealing: NBR/FPM

Technical data
Electrical connection acc. to DIN EN 175301-803, form A

Symbol

*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) Static seal: O-ring (NBR)
*4) LABS free
*6) Plug 0570110 not included, please order separately.

Pressure
range *1)
(bar)

-1 ... 0 G1/4 0,15 0,18 80 100 AL FPM *3) 0,2 1 0880100

-1 ... 1 G1/4 0,25 0,35 80 100 AL FPM *3) 0,2 1 0880110

-1 ... 0 1/4 NPT 0,15 0,18 80 100 AL FPM *3) 0,2 1 0880120

-1 ... 0 G1/4 0,15 0,18 80 100 AL FPM *3) 0,2 1 0880126 *4) *6)

-1 ... 0 Flange 0,15 0,18 80 100 AL FPM *3) 0,2 3 0881100

0,2 ... 2 G1/4 0,20 0,35 80 100 AL FPM *3) 0,2 1 0880200

0,2 ... 2 1/4 NPT 0,20 0,35 80 100 AL FPM 0,2 1 0880220

0,2 ... 4 G1/4 0,20 0,35 80 100 AL FPM 0,2 1 0880226 *4) *6)

0,2 ... 2 Flange 0,20 0,35 80 100 AL NBR 0,2 3 0881200

0,5 ... 8 G1/4 0,35 0,85 80 100 AL NBR 0,2 2 0880300

0,5 ... 8 1/4 NPT 0,35 0,85 80 100 AL NBR 0,2 2 0880320

0,5 ... 8 G1/4 0,35 0,85 80 100 AL FPM 0,2 2 0880326 *4) *6)

0,5 ... 8 Flange 0,35 0,85 80 100 AL NBR 0,2 3 0881300

1 ... 16 G1/4 0,40 1,20 80 100 AL NBR 0,2 2 0880400

1 ... 16 1/4 NPT 0,40 1,20 80 100 AL NBR 0,2 2 0880420

1 ... 16 G1/4 0,40 1,20 80 100 AL FPM 0,2 2 0880426 *4) *6)

1 ... 16 Flange 0,40 1,20 80 100 AL NBR 0,2 3 0881400

1 ... 30 G1/4 1,0 5,00 80 100 AL NBR 0,2 2 0880600

1 ... 30 1/4 NPT 1,0 5,00 80 100 AL NBR 0,2 2 0880620

Port size

Switching pressure difference
Lower range Upper range

(bar)

(bar)

-

Max. over
pressure *2)
(bar)

Switching
cycles
(1/min)

Materials
pressure sensor
Housing Sealing

Weight

(kg)

Dimension

No.

Model

12/13 1998-5249c

Our policy is one of continued research and development. We therefore reserve the right to amend,

without notice, the specifications given in this document. © 2013 Norgren GmbH

N/en 5.11.001.01

18D

Electrical connection M12 x 1 nach IEC 947-5-2 - plug not included, max. allowable voltage 30 V

Symbol Pressure

range *1)
(bar)

-1 ... 0 G1/4 0,15 0,18 80 100 AL FPM 0,2 1 0880149 *4), *5)

-1 ... 0 G1/4 0,15 0,18 80 100 AL FPM 0,2 1 0880160 *4)

0,2 ... 2 G1/4 0,20 0,35 80 100 AL FPM 0,2 1 0880260

0,5 ... 8 G1/4 0,35 0,85 80 100 AL FPM 0,2 2 0880360

1 ... 16 G1/4 0,40 1,20 80 100 AL FPM 0,2 2 0880460 *4)

1 ... 30 G1/4 1,00 5,00 80 100 AL FPM 0,3 2 0880660 *4)

-1 ... 0 Flange 0,15 0,18 80 100 AL FPM 0,2 3 0881160 *4)

0,2 ... 2 Flange 0,20 0,35 80 100 AL FPM 0,2 3 0881260 *4)

0,5 ... 8 Flange 0,35 0,85 80 100 AL FPM 0,2 3 0881360

1 ... 16 Flange 0,40 1,20 80 100 AL FPM 0,2 3 0881460 *4)

*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
*4) LABS free
*5) Switching function reversed

Port size

Switching pressure difference
Lower range Upper range

(bar)

(bar)

Max. over
pressure *2)
(bar)

Versions for water applications
Electrical connection acc. to DIN EN 175301-803, form A

Symbol Pressure

range *1)
(bar)

0,2 ... 2 G1/4 0,20 0,35 80 100 Messing FPM 0,2 1 0880219

0,2 ... 2 1/4 NPT 0,20 0,35 80 100 Messing FPM 0,2 1 0880240

0,5 ... 8 G1/4 0,35 0,85 80 100 Messing FPM 0,2 2 0880323

0,5 ... 8 1/4 NPT 0,35 0,85 80 100 Messing FPM 0,2 2 0880340

*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

Port size

Switching pressure difference
Lower range Upper range

(bar)

(bar)

Max. over
pressure *2)
(bar)

Accessories

Pressure port
Reducing nipple

Surge damper

Cover
(via adjustment
screw)

Connector

Connector M 12 x 1
90°

Switching
cycles
(1/min)

Switching
cycles
(1/min)

Materials
pressure sensor
Housing Sealing

Materials
pressure sensor
Housing Sealing

Connector M 12 x 1
straight

Weight

(kg)

Weight

(kg)

Dimension

No.

Dimension

No.

Model

Model

*4)

*4)

*4)

Page 4

0574767 0574773 0554737 0570110 0523058 0523056 0523057 0523055

(brass) (brass) (2 m cable,4-core) (90°without cable) (2 m cable, 4-core) (without cable)

0550083 0553258 0523053 0523052

(stainless steel) (stainless steel) (5 m cable,4-core) (5 m cable, 4-core)

Page 4

Page 4

N/en 5.11.001.02

Our policy is one of continued research and development. We therefore reserve the right to amend,

without notice, the specifications given in this document. © 2013 Norgren GmbH

1998-5249c 12/13