Pressure

Pressure switch
Models 201, 203, 281
WIKA data sheet PV 35.54

Applications
■ Hydraulics and pneumatics
■ Steel
■ Power
■ Special purpose machine

Special features
■ Internal Switch point adjustment for critical applications
■ Stainless steel case option for corrosive environment
■ Switch point repeatability of ±0.5% of FSR for reliable
switching
■ Two set-point option for controlling at different process
levels

Fig. Left: Pressure switch, model 201, weatherproof

Fig. Right: Pressure switch, model 201, flameproof

Description

Series 200 Pressure Switches is a SWITZER mainstream Precise and accurate operation is obtained by using time
product range for switching upto 75 bar and includes models proven seamless hydraulically formed bellows. Setpoint is
for vacuum, compound and millibar ranges and high overload continuously adjustable over the instrument range. A scale is
protection. provided for approximate switch setting.

Precision mechanisms are of stainless steel for Hazardous

atmospheres and high humidity. Enclosures, sensing
elements and switching modes can be combined to offer
the variety needed to suit the demands of rapidly expanding
industrial processes.

WIKA Data sheet PV 35.54 ∙ 06/2023 Page 1 of 11

Specifications

Basic information

Switch enclosure ■ GM style aluminium pressure die cast weatherproof to IP66 with
nitrile gasket
■ GA style CF8 (304 SS) casting, weatherproof to IP66, fit for off
shore
■ GA6 style CF8M (316 SS) casting, weatherproof to IP66, fit for
off shore
■ GK style (Type-1) aluminium pressure die cast, weatherproof and
flameproof to group IIC as per IS/IEC 60079-1
■ GR style (Type-1) aluminium pressure die cast, weatherproof
to IP66 and flameproof to group IIC as per IS/IEC 60079-1
(available only in model 201)

Sealing Nitrile

Measuring element 316L SS bellows

Wetted parts 316L SS / CF3M

Output signal

Ranges Several ranges from –1 ... +75 bar

Switching differential ■ Fixed

■ Wideband adjustable

Repeatability of the setpoint (note 3) ■ ±0.5% of FSR for 201 & 203
■ ± 1.0% of FSR for 281

Maximum working pressure Refer table 1

Respond time <1 second

Scale accuracy (note 4) ±5% of FSR

Switching contacts with microswitch ■ 1 x SPDT (single pole double throw)

■ 2 x SPDT (single pole double throw)

Switching function (note 8) Instrument quality snap acting microswitch

Operating condition

Permissible ambient temperature –10°C ... +60°C

Permissible medium temperature 170°C for bellows

Ingress protection IP66

Process connection 1/4" NPT(F) per ASME B1.20.1 direct

Other connections through adaptor

Electrical connection 1/2" NPT(F) per ASME B1.20.1 single entry standard
Dual entry on request

Mounting ■ Panel
■ Wall
■ On-line
■ 2" pipe

Page 2 of 11 WIKA Data sheet PV 35.54 ∙ 06/2023

Ordering matrix
Sample model number GM 201 02 B02   
--- --- --- --- --- --- ---

Switch enclosure
GM style aluminium pressure die cast weatherproof to IP66 with
nitrile gasket–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– GM
GA style CF8 (304 SS) casting, weatherproof to IP66, fit for off shore–––––––––––––––GA
GA style CF8M (316 SS) casting, weatherproof to IP66, fit for off shore––––––––––––– GA6
GK style (Type-1) aluminium pressure die cast, weatherproof and flameproof
to group IIC as per IS/IEC 60079-1––––––––––––––––––––––––––––––––––––––––––––––GK
GR style (Type-1) aluminium pressure die cast, weatherproof to
IP66 and flameproof to group IIC as per IS/IEC 60079-1
(available only in model 201)–––––––––––––––––––––––––––––––––––––––––––––––––––GR

Model
This is the basic pressure switch actuated by a seamless bellows having
close fixed non-adjustable switching differential.–––––––––––––––––––––––––––––––––––––––201
Same as 201, but with auxiliary mechanism permitting switching differential
adjustment between 8–15% min. to 60% max. without disturbing the
falling set point.–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––203
A variant of series 200, employs twin levers each operating a SPDT microswitch
actuated by a single sensor through a unique linkage thereby providing
two independent adjustable setpoints, each with its own setting scale,
spring and switch. Minimum separation between setpoints must be more than
sum of on-off differentials; or 10% of FSR whichever is higher.–––––––––––––––––––––––––––281

Sensor material
316L SS bellows––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– 3

Wetted part
316L SS / CF3M––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– 3

Range code
Refer table-1 –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– 

Switch code and rating

Refer table-6 –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Electrical entry code

Refer table-7 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– 

For available other options refer table-8

WIKA Data sheet PV 35.54 ∙ 06/2023 Page 3 of 11

Table 1: Range code and availability

Maximum
working
Range code Range 201 203 281
pressure
bar
B001 / K087 – 1 ... 0 bar / Kg/Cm² P P Í 4

B003 / K007 – 0.5 ... +0.5 bar / Kg/Cm² P P Í 4

B002 / K078 – 1 ... +1.5 bar / Kg/Cm² P P Í 4

M041 5 ... 50 mbar P Í Í 2

M045 7.5 ... 75 mbar P Í Í 2

M046 10 ... 100 mbar P Í Í 2

M043 5 ... 200 mbar P Í Í 2

M044 5 ... 250 mbar P Í Í 2

B020 / K088 0.05 ... 0.16 bar P P Í 2

B021 / K089 0.08 ... 0.4 bar / Kg/Cm² P P P 4

B022 / K091 0.1 to 1.1 bar / Kg/Cm² Ø P P P 4

B027 / K092 0.2 ... 2 bar / Kg/Cm² Ø P P P 4

B030 / K093 0.4 ... 4 bar / Kg/Cm² Ø P P P 8

B031 / K094 0.6 ... 6 bar / Kg/Cm² Ø P P P 9

B033 / K095 1 ... 10 bar / Kg/Cm² Ø P P P 15

B035 / K096 1.6 ... 16 bar / Kg/Cm² Ø P P P 25

B036 / K097 2 ... 20 bar / Kg/Cm² Ø P P P 25

B038 /K098 8 ... 32 bar / Kg/Cm² Ø P P P 36

B039 / K076 10 ... 40 bar / Kg/Cm² Ø P P P 50

B040 / K099 10 ... 60 bar / Kg/Cm² Ø P P P 80

B041 / K100 15 ... 75 bar / Kg/Cm² Ø P P Í 80

W037 50 ... 500 mmWC P Í Í 2

W173 75 ... 750 mmWC P Í Í 2

W038 100 ... 1000 mmWC P Í Í 2

W174 50 ... 2000 mmWC P Í Í 2

W186 50 ... 2500 mmWC P Í Í 2

Ø Chemical seal options availble, See datasheet DS 70.01. For SPDT function, the minimum switching differential shall
be arrived by applying 1.3 multiplication factor to values given in differential Table. For DPDT function, the minimum switching
differential shall be arrived by applying 1.5 multiplication factor to values given in differential Tables ‘2, 3, 4 & 5’.

Page 4 of 11 WIKA Data sheet PV 35.54 ∙ 06/2023

Table 2: Switching differential for model 201, GM / GA enclosure

Switching differential for contact versions - GM/GA Enclosures

Range code Range Unit
D, 3, 4 5 9, G DD, 33, 44 55 99, GG

B001 / K087 – 1 ... 0 bar / Kg/Cm² 0.04 0.07 0.12 0.052 0.09 0.155

B003 / K007 – 0.5 ... +0.5 bar / Kg/Cm² 0.04 0.07 0.12 0.052 0.09 0.155

B002 / K078 – 1 ... +1.5 bar / Kg/Cm² 0.045 0.075 0.15 0.059 0.1 0.195

M041 5 ... 50 mbar 5 6 10 7 8 13

M045 7.5 ... 75 mbar 5 6 10 7 8 13

M046 10 ... 100 mbar 8 8 12 11 10 16

M043 5 ... 200 mbar 10 10 15 13 12 20

M044 5 ... 250 mbar 10 10 15 13 12 20

B020 / K088 0.05 ... 0.16 bar / Kg/Cm² 0.01 0.008 0.015 0.013 0.01 0.02

B021 / K089 0.08 ... 0.4 bar / Kg/Cm² 0.012 0.016 0.025 0.013 0.021 0.032

B022 / K091 0.1 ... 1.1 bar / Kg/Cm² 0.02 0.03 0.05 0.026 0.04 0.065

B027 / K092 0.2 ... 2 bar / Kg/Cm² 0.025 0.04 0.08 0.033 0.05 0.104

B030 / K093 0.4 ... 4 bar / Kg/Cm² 0.06 0.098 0.18 0.078 0.128 0.234

B031 / K094 0.6 ... 6 bar / Kg/Cm² 0.075 0.12 0.27 0.098 0.156 0.351

B033 / K095 1 ... 10 bar / Kg/Cm² 0.075 0.17 0.2 0.098 0.22 0.26

B035 / K096 1.6 ... 16 bar / Kg/Cm² 0.15 0.22 0.3 0.195 0.3 0.39

B036 / K097 2 ... 20 bar / Kg/Cm² 0.2 0.25 0.5 0.26 0.35 0.65

B038 /K098 8 ... 32 bar / Kg/Cm² 0.25 0.35 0.6 0.325 0.455 0.78

B039 / K076 10 ... 40 bar / Kg/Cm² 0.3 0.4 0.7 0.39 0.52 0.91

B040 / K099 10 ... 60 bar / Kg/Cm² 0.5 0.9 1.4 0.65 1.17 1.82

B041 / K100 15 ... 75 bar / Kg/Cm² 0.6 0.96 2 0.78 1.25 2.6

W037 50 ... 500 mmWC 50 60 100 70 80 130

W173 75 ... 750 mmWC 80 80 120 110 80 160

W038 100 ... 1000 mmWC 80 80 120 79 100 130

W174 50 ... 2000 mmWC 100 100 150 130 120 200

W186 50 ... 2500 mmWC 100 100 150 130 120 200

WIKA Data sheet PV 35.54 ∙ 06/2023 Page 5 of 11

Table 3: Switching differential for model 201, GR / GK enclosure

Switching differential for contact versions - GR/GK Enclosures

Range code Range Unit
D, 3, 4 5 9,G DD, 33, 44 55 99, GG

B001 / K087 – 1 ... 0 bar / Kg/Cm² 0.07 0.1 0.19 0.084 0.12 0.228

B003 / K007 – 0.5 ... +0.5 bar / Kg/Cm² 0.07 0.1 0.19 0.084 0.12 0.228

B002 / K078 – 1 ... +1.5 bar / Kg/Cm² 0.08 0.13 0.245 0.096 0.156 0.294

M041 5 ... 50 mbar 8 9 14 9.6 10.8 17

M045 7.5 ... 75 mbar 8 9 16 9.6 9.6 19.2

M046 10 ... 100 mbar 12 12 18 14.4 14.4 21.6

M043 5 ... 200 mbar 15 15 20 18 18 24

M044 5 ... 250 mbar 15 15 20 18 18 24

B020 / K088 0.05 ... 0.16 bar / Kg/Cm² 0.015 0.015 0.02 0.018 0.018 0.024

B021 / K089 0.08 ... 0.4 bar / Kg/Cm² 0.018 0.024 0.035 0.022 0.029 0.042

B022 / K091 0.1 ... 1.1 bar / Kg/Cm² 0.03 0.04 0.1 0.036 0.048 0.12

B027 / K092 0.2 ... 2 bar / Kg/Cm² 0.04 0.05 0.135 0.048 0.06 0.162

B030 / K093 0.4 ... 4 bar / Kg/Cm² 0.1 0.15 0.27 0.12 0.18 0.324

B031 / K094 0.6 ... 6 bar / Kg/Cm² 0.125 0.195 0.405 0.15 0.234 0.486

B033 / K095 1 ... 10 bar / Kg/Cm² 0.175 0.3 0.3 0.21 0.36 0.36

B035 / K096 1.6 ... 16 bar / Kg/Cm² 0.26 0.325 0.45 0.312 0.39 0.54

B036 / K097 2 ... 20 bar / Kg/Cm² 0.3 0.375 0.75 0.36 0.45 0.9

B038 /K098 8 ... 32 bar / Kg/Cm² 0.36 0.5 0.9 0.432 0.60 1.08

B039 / K076 10 ... 40 bar / Kg/Cm² 0.525 0.525 1 0.63 0.63 1.2

B040 / K099 10 ... 60 bar / Kg/Cm² 0.85 1.2 2 1.02 1.44 2.4

B041 / K100 15 ... 75 bar / Kg/Cm² 1 1.5 2.8 1.2 1.8 3.36

W037 50 ... 500 mmWC 80 90 140 100 100 170

W173 75 ... 750 mmWC 80 90 160 96 144 192

W038 100 ... 1000 mmWC 120 120 180 144 144 216

W174 50 ... 2000 mmWC 150 150 200 180 180 240

W186 50 ... 2500 mmWC 150 150 200 180 180 240

Page 6 of 11 WIKA Data sheet PV 35.54 ∙ 06/2023

Table 4: Switching differential for model 203

Switching differential for Switching differential for

contact versions contact versions
Range code Range Unit GM / GA Enclosures GK Enclosures
W WW W WW

B001 / K087 – 1 ... 0 bar / Kg/Cm² 0.175 ... 0.6 0.23 ... 0.6 0.3 ... 0.6 0.36 ... 0.6

B003 / K007 – 0.5 ... +0.5 bar / Kg/Cm² 0.175 ... 0.5 0.23 ... 0.5 0.3 ... 0.5 0.36 ... 0.5

B002 / K078 – 1 ... +1.5 bar / Kg/Cm² 0.2 ... 1 0.26 ... 1 0.35 ... 1 0.42 ... 1

B021 / K089 0.08 ... 0.4 bar / Kg/Cm² 0.05 ... 0.15 0.07 ... 0.15 0.08 ... 0.15 0.1 ... 0.15

B022 / K091 0.1 ... 1.1 bar / Kg/Cm² 0.08 ... 0.6 0.1 ... 0.6 0.14 ... 0.6 0.17 ... 0.6

B027 / K092 0.2 ... 2 bar / Kg/Cm² 0.15 ... 1.2 0.2 ... 1.2 0.25 ... 1.2 0.3 ... 1.2

B030 / K093 0.4 ... 4 bar / Kg/Cm² 0.5 ... 2.5 0.65 ... 2.4 0.8 ... 2.4 0.96 ... 2.4

B031 / K094 0.6 ... 6 bar / Kg/Cm² 0.8 ... 3.6 1.05 ... 3.6 1.3 ... 3.6 1.56 ... 3.6

B033 / K095 1 ... 10 bar / Kg/Cm² 0.5 ... 6 0.65 ... 6 0.85 ... 6 1 ... 6

B035 / K096 1.6 ... 16 bar / Kg/Cm² 1.2 ... 10 1.56 ... 10 2 ... 10 2.4 ... 10

B036 / K097 2 ... 20 bar / Kg/Cm² 1.3 ... 12 1.7 ... 12 2.2 ... 12 2.65 ... 12

B038 /K098 8 ... 32 bar / Kg/Cm² 1.8 ... 18 2.35 ... 18 2.8 ... 18 3.35 ... 18

B039 / K076 10 ... 40 bar / Kg/Cm² 2.5 ... 24 3.25 ... 24 4.3 ... 24 5.5 ... 24

B040 / K099 10 ... 60 bar / Kg/Cm² 4 ... 36 5.2 ... 36 6.8 ... 36 8.0 ... 36

B041 / K100 15 ... 75 bar / Kg/Cm² 8 ... 40 10.4 ... 40 13.5 ... 40 16 ... 40

Table 5: Switching differential for model 281

Switching differential for Switching differential for

contact versions contact versions
Range code Range Unit GM / GA Enclosures GK Enclosures
D, 3, 4 5 9, G D, 3, 4 5 9, G

B021 / K089 0.08 ... 0.4 bar / Kg/Cm² 0.015 0.03 0.05 0.02 0.038 0.085

B022 / K091 0.1 ... 1.1 bar / Kg/Cm² 0.03 0.055 0.1 0.055 0.08 0.15

B027 / K092 0.2 ... 2 bar / Kg/Cm² 0.04 0.065 0.15 0.055 0.08 0.215

B030 / K093 0.4 ... 4 bar / Kg/Cm² 0.09 0.18 0.3 0.125 0.233 0.435

B031 / K094 0.6 ... 6 bar / Kg/Cm² 0.11 0.233 0.45 0.16 0.3 0.645

B033 / K095 1 ... 10 bar / Kg/Cm² 0.15 0.31 0.5 0.21 0.4 0.475

B035 / K096 1.6 ... 16 bar / Kg/Cm² 0.225 0.42 0.51 0.315 0.55 0.715

B036 / K097 2 ... 20 bar / Kg/Cm² 0.25 0.45 0.85 0.35 0.6 1.2

B038 /K098 8 ... 32 bar / Kg/Cm² 0.35 0.72 1.1 0.5 1 1.53

B039 / K076 10 ... 40 bar / Kg/Cm² 0.45 0.77 1.2 0.63 1.5 1.665

B040 / K099 10 ... 60 bar / Kg/Cm² 0.75 1.5 2.4 1 1.9 3.3

WIKA Data sheet PV 35.54 ∙ 06/2023 Page 7 of 11

Table 6: Switch code, rating and availability (note 9)
Switch code DC rating in Ampere Availability
Contact version AC rating Resistive Inductive in models
SPDT DPDT
250V 125V 30V 250V 125V 30V SPDT DPDT
D DD General purpose 15A 250 / 125V 0.2 0.4 2.0 0.02 0.03 1.0 201 & 281 201

3 33 General purpose 15A 250 / 125V - - - - - - 201 & 281 201

W WW General purpose 15A 250 / 125V - - - - - - 203 203

With Gold alloy

4 44 1A 125V - 0.5 0.5 - 0.25 0.25 201 & 281 201
contact.

General purpose with

5 55 5A 250 / 125V 0.2 0.4 4.0 0.2 0.4 3.0 201 & 281 201
good DC rating.

Hermetically sealed,
1A 115V
9 99 inert gas filled with - - 3.0 × - - 1.0 × 201 & 281 201
400 Hz.
Silver alloy contact.

Hermetically sealed,
G GG inert gas filled with - - - 1.0 × - - 0.25 × 201 & 281 201
Gold plated contact.

Note : In model 281 DPDT for individual set point is not available,
For model 281 specify only one character for switch code D, 4, etc
× For Codes 9, 99, G, GG; DC Rating of Resitive and Inductive is 28V

Table 7: Electrical entry

Single entry Dual entry

Size Ø
GM / GA GK/GR GM / GA GK/GR
1/2" NPT(F) per ASME B1.20.1 A A N N

3/4" NPT(F) per ASME B1.20.1

L - O -
through adaptor

M20 × 1.5 per ISO724 ØØ E E EB EB

7 pin plug through connector ØØØ C - - -

9 pin plug through connector D - - -

Ø Cable gland available on request

ØØ Possible in GK and GR enclosure as direct. Others through adaptor.
ØØØ Possible only in GM enclosure.

Page 8 of 11 WIKA Data sheet PV 35.54 ∙ 06/2023

Table 8: Options

Model
Details
201 203 281

Chemical Seal P P #
Special Range P P P
Zero Starting § P P NP

Optional MWP # P P NP

PVC Cover for Armour of chemical seal P P #

Full Vacuum withstandability P P NP

Ammonia Service P P NP

Oxygen Service P P P
Nuclear grade cleaning P P P
EPDM cover gasket (only for GM / GA / GR) P P P
NACE Preparation Ø P P P
Blow out disc (not available in GR) P P P
Special repeatability NP NP P
Optional scale accuracy ±2% (not available in GR) P P P

NP Not possible
# Consult sales department
Ø Available only with '316L SS / CF3M' wetted parts
§ Available only in M041, M045, M046, M043, M044, B020, B021, B022, B027, B030, B031, B033.
Chemical seal is not possible with zero starting.

WIKA Data sheet PV 35.54 ∙ 06/2023 Page 9 of 11

NOTES

1. Style GM/GA is weatherproof only if all entries and joint are higher than that of SPDT as force required to actuate
faces are properly sealed. Style GK / GR is weatherproof the contacts are more. Please refer respective range table
only if cover ‘O’ ring is retained in position and flameproof for exact values.
only if proper FLP cable gland is used. It is recommended
to procure cable glands along with GK / GR instruments 10. Contact life of microswitches are 5 × 105 switching cycles
to avoid neglect of it while installation. for nominal load. To quench DC sparks, use diode in
parallel with inductance, ensuring polarity. A ‘R–C’ network
2. Intrinsic Safety (Exi) — Pressure switches are classified is also recommended with ‘R’ value in Ohms equal to coil
as simple apparatus as they neither generate nor store resistance and ‘C’ value in micro Farads equal to holding
energy. Hence pressure switches in weatherproof (GM/ current in Amps.
GA) enclosures also may be used in intrinsically safe
systems without certification provided the power source 11. Higher Maximum Working Pressure is available on request
is certified IS. Because of the low voltages and currents for some ranges; but ON-OFF differentials will be higher.
it is recommended to use gold contact and / or sealed
12. Ambient temperature range: All models are suitable for
contacts.
operating within a range of ambient temperature from
3. Accuracy & Repeatability are not different for all blind (-) 10°C to (+) 60°C provided the process does not freeze
pressure switches. A shift of ±2% may be observed in within this range. Below 0°C, precautions should be taken
setpoint when pressure falls from full static pressure. in humid atmospheres to prevent frost formation inside
Settings will also shift with varying temperature. the instrument from jamming the mechanism. Occasional
excursions beyond this range are possible but accuracy
4. The instrument is calibrated in the mounting position might be impaired. The microswitch is the limiting factor
depicted in the drawing. Mounting in any other direction which should never exceed the limits (–) 50°C to (+) 80°C.
will cause a minor range shift, especially in low and
compound ranges. Ranges above 1 bar will not experience 13. Fluid Temperature: A pressure switch when connected
this shift. to the process is not subjected to through flow and
therefore is not fully exposed to the fluid temperature.
5. A pressure switch is a switching device and not a Use of adequate length of impulse piping will greatly
measuring instrument — eventhough it has a scale to reduce excessive heating of the sensing element. For
assist setting. For this reason, Test Certificates will not e.g., connection of 7.5 cm of 12 mm dia impulse piping will
contain individual ON-OFF switching values at different reduce water temperature of 100°C to 65°C at an ambient
scale readings. Maximum differential obtained alone will temperature of 50°C. Ask factory for piping nomogram
be declared, besides other specifications. #441184–4 for different temperatures.

6. Select working range of the instrument such that the set 14. Ensure that impulse pipework applies no stress on sensing
value lies in the mid 35% of the range i.e., between 35% element housing and use spanners to hold pressure port/
and 70% of range span. housing when connections are made.

7. For switching differential values refer differential tables. 15. For pressure above 75 bar, Switzer S20/920 Series and
Switching differentials furnished are nominal values PS01Series are available. Complementary instrumentation
under test conditions at mid-scale and will vary with range for differential pressure is available in Series 300.
settings and operating conditions.
16. Custom built instruments are available for special service
8. On and off settings should not exceed the upper or lower requirements under Special Engineering Category.
range value.
17. Accuracy figures are exclusive of test equipment tolerance
9. DPDT action is achieved by two SPDT switches on the claimed values.
synchronised to practical limits i.e., ±2% of FSR.
(Synchronisation is applicable at Setpoint only. Not 18. All performance data are guaranteed to ±5%.
applicable at Reset points.) Deadband for DPDT contacts

Page 10 of 11 WIKA Data sheet PV 35.54 ∙ 06/2023

Dimensions in mm

Models 201, 203 & 281 in GM enclosure Models 201, 203 & 281 in GK enclosure

Dim ‘A’ varies from 42 to 92±2 depending on range Dim ‘D’ varies from 42 to 92±2 depending on range

Models 201 in GR enclosure

Dim ‘A’ varies from 42 to 92±2 depending on range

Note: Unspecified general tolerance ±1

Ordering information
Switch enclosure / Model / Sensor material / Wetted part / Range code / Switch code and rating / Electrical entry code

© 2022 WIKA Alexander Wiegand SE & Co. KG, all rights reserved.
The specifications given in this document represent the state of engineering at the time of publishing.
We reserve the right to make modifications to the specifications and materials.

WIKA Data sheet PV 35.54 ∙ 06/2023 Page 11 of 11

WIKA Instruments India Pvt. Ltd.

128 SIDCO North Phase
Ambattur Industrial Estate, Chennai 600 098
Tel. +91 44 2625 2017 / 2018 / 9840919318
switch.sales@wika.com
www.wika.co.in