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General Purpose Pressure Switch ISG Series

General Purpose Pressure Switch ISG Series
  • Volume Discount

A pressure switch made by SMC.

[Features]
· IP44 equivalent
· With light

[Applications]
Used for automatic pressure control of hydraulic, water pressure, liquid pressure and pneumatic applications in a wide variety of fields, such as machine tools, industrial machinery, compressors, chemical plants, and power plants.

(i)Caution

  • Refer to the manufacturer's catalog for specification and material details.
  • CAD data is not available for some model numbers.
  • Product images may be representative. Please refer to the manufacturer's catalog for shape details.

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Part Number

Configured Part Number is shown.

Specifications of General-Purpose Pressure Switch ISG Series

External appearance of ISG Series open type

External appearance of ISG Series open type

External appearance of ISG Series open type hysteresis scale plate type

External appearance of ISG Series open type hysteresis scale plate type

External appearance of ISG Series drip-proof type

External appearance of ISG Series drip-proof type

Model/Specification

ModelPressure Adjustment Range
MPa
Hysteresis adjustment range
MPa
Proof Pressure
MPa
Repeat accuracy
MPa
Liquid-contacting parts materialHysteresis scale plateElectrical entry
Open type (Non-waterproof)Drip-proof type
ISG110-030ISG210-0300.02 to 0.30.015 to 0.21.0±0.006Brass•Phosphor BronzeNone(Open type) Grommet
(Drip-proof type) CAPCON (cable gland)
ø11 to 13 (Diameter 11 to 13 mm)
ISG110-031ISG210-031Brass•Phosphor BronzeYes
ISG111-030ISG211-030SUS316None
ISG111-031ISG211-031SUS316Yes
ISG120-030ISG220-0300.05 to 0.70.02 to 0.351.5±0.014Brass•Phosphor BronzeNone
ISG120-031ISG220-0310.02 to 0.45Brass•Phosphor BronzeYes
ISG121-030ISG221-0300.02 to 0.35SUS316None
ISG121-031ISG221-0310.02 to 0.45SUS316Yes
ISG130-030ISG230-0300.1 to 1.00.03 to 0.41.5±0.02Brass•Phosphor BronzeNone
ISG130-031ISG230-0310.03 to 0.6Brass•Phosphor BronzeYes
ISG131-030ISG231-0300.03 to 0.4SUS316None
ISG131-031ISG231-0310.03 to 0.6SUS316Yes
ISG190-030ISG290-030-10 to -100 kPa7 to 53 kPa0.5±2 kPaBrass•Phosphor BronzeNone
ISG191-030ISG291-030SUS316None

* Ambient and fluid temperature: 5 to 80°C (no freezing), contact configuration: 1a1b, 2ab (semi-standard), connection port size: 3/8, weight: 1.2 kg (open type), 1.3 kg (Drip-proof type)

Fluid

Operating fluid is limited by the material of wetted parts. Model with compatible material should be selected.

FluidLiquid-contacting parts material
BellowsFluid intake part
Water, air, liquid,inert gas without corrosionPhosphor bronzeBrass
* Fluid that does not corrode SUS316, such as steam (150°C or less)SUS316SUS316

* Use at an ambient temperature of 80°C or less.

JIS symbol

JIS symbol of ISG Series

JIS symbol of ISG Series

Contact

1a1b type snap switch (standard)/2ab type snap switch contact configuration

1a1b type snap switch (standard)/2ab type snap switch contact configuration

Electrical rating

Rated voltage (V) *)Non-inductive load (A)Inductive load (A)
Load resistanceLamp loadInductive loadElectric motor load
AC110122123
AC220101101.5
AC4406131
DC2432.532.5
DC481.51.21.51.25
DC1100.50.250.50.2
DC2200.250.10.250.1

Insulation Resistance: 100 MΩ or more (500 V DC by insulation resistance tester)
Withstand Voltage: 2,000 V AC for 1 minute
*) CE compliant products are compatible with 220 V AC and 110 V DC or less.

Diagram

Structural drawing of ISG Series

Structural drawing of ISG Series

NumberPart Name
1Set pressure regulating bolt
2Scale plate
3Pointer
4Set pressure regulating spring
5Main lever for actuation
6Bellows assembly
7Adjusting bolt between switch and push
81a+1b type snap switch
NumberPart Name
9Main body
10Hysteresis (ON-OFF width) adjustment spring
11Hysteresis (ON-OFF width) adjustment bolt
12Bracket
13Grommet
14Connection lever for switch operation
15Stopper for operating lever

Dimensions

 

(Units: mm)

 

Dimensional drawing of open type ISG110 to 191-030 (without adjustment hysteresis scale plate)

Dimensional drawing of open type ISG110 to 191-030 (without adjustment hysteresis scale plate)

Part numberABC
ISG110-030 (-W)1725419
ISG1□0 to 1□0-030 (-W)1695119
ISG1□1 to 1□1-030 (-W)1775923
Dimensional drawing of open type ISG110 to 131-031 (with adjustment hysteresis scale plate)

Dimensional drawing of open type ISG110 to 131-031 (with adjustment hysteresis scale plate)

Part number(A)(B)C
ISG110 to 130-031 (-W)1725419
ISG111 to 131-031 (-W)1775923
Dimensional drawing of drip-proof type ISG210 to 291-030 (without adjustment hysteresis scale plate)

Dimensional drawing of drip-proof type ISG210 to 291-030 (without adjustment hysteresis scale plate)

Part numberABC
ISG2□0 to 2□0-030 (-W)1735519
ISG2□1 to 2□1-030 (-W)1786023
Dimensional drawing of drip-proof ISG210 to 231-031 (with adjustment hysteresis scale plate)

Dimensional drawing of drip-proof ISG210 to 231-031 (with adjustment hysteresis scale plate)

Part number(A)(B)C
ISG210 to 230-031 (-W)1735519
ISG211 to 231-031 (-W)1786023
  • *See the SMC catalog for information other than that detailed above.
  • *Product pictures are representative images.
Part Number
ISG110-030
ISG110-031
ISG120-030
ISG120-031
ISG130-030
ISG130-031
ISG131-031
ISG131-031-W
ISG190-030
ISG210-031
ISG211-031
ISG220-030
ISG220-031
ISG230-030
ISG230-031
ISG231-030
ISG231-031
Part NumberMinimum order quantityVolume DiscountDays to Ship Fluid Type Fluid Characteristics Pressure Type Liquid-contacting parts material Details Type Pressure Setting Range Hysteresis scale plate for adjustment Contact configuration
1 Piece(s)Available

Quote

Air / Water / Nitrogen Gas / ArgonNoncorrosive / InertPositive Pressure[Copper Alloy] Brass•Phosphor BronzeOpen type (equivalent to IP40)0.02 to 0.3 MPaNone1a1b
1 Piece(s)Available

Quote

Air / Water / Nitrogen Gas / ArgonNoncorrosive / InertPositive Pressure[Copper Alloy] Brass•Phosphor BronzeOpen type (equivalent to IP40)0.02 to 0.3 MPaWith hysteresis scale plate1a1b
1 Piece(s)Available

3 Days

Air / Water / Nitrogen Gas / ArgonNoncorrosive / InertPositive Pressure[Copper Alloy] Brass•Phosphor BronzeOpen type (equivalent to IP40)0.05 to 0.7 MPaNone1a1b
1 Piece(s)Available

Quote

Air / Water / Nitrogen Gas / ArgonNoncorrosive / InertPositive Pressure[Copper Alloy] Brass•Phosphor BronzeOpen type (equivalent to IP40)0.05 to 0.7 MPaWith hysteresis scale plate1a1b
1 Piece(s)Available

3 Days

Air / Water / Nitrogen Gas / ArgonNoncorrosive / InertPositive Pressure[Copper Alloy] Brass•Phosphor BronzeOpen type (equivalent to IP40)0.1 to 1.0 MPaNone1a1b
1 Piece(s)Available

3 Days

Air / Water / Nitrogen Gas / ArgonNoncorrosive / InertPositive Pressure[Copper Alloy] Brass•Phosphor BronzeOpen type (equivalent to IP40)0.1 to 1.0 MPaWith hysteresis scale plate1a1b
1 Piece(s)Available

Quote

WaterNoncorrosivePositive Pressure[Stainless Steel] Stainless SteelOpen type (equivalent to IP40)0.1 to 1.0 MPaWith hysteresis scale plate1a1b
1 Piece(s)Available

3 Days

WaterNoncorrosivePositive Pressure[Stainless Steel] SUS316Open type (equivalent to IP40)0.1 to 1.0 MPaWith hysteresis scale plate2ab
1 Piece(s)Available

Quote

Air / Water / Nitrogen Gas / ArgonNoncorrosive / InertVacuum Pressure[Copper Alloy] Brass•Phosphor BronzeOpen type (equivalent to IP40)-10 to -100 kPaNone1a1b
1 Piece(s)Available

Quote

Air / Water / Nitrogen Gas / ArgonNoncorrosive / InertPositive Pressure[Copper Alloy] Brass•Phosphor BronzeDrip-proof type (equivalent to IP44)0.02 to 0.3 MPaWith hysteresis scale plate1a1b
1 Piece(s)Available

Quote

WaterNoncorrosivePositive Pressure[Stainless Steel] Stainless SteelDrip-proof type (equivalent to IP44)0.02 to 0.3 MPaWith hysteresis scale plate1a1b
1 Piece(s)Available

Quote

Air / Water / Nitrogen Gas / ArgonNoncorrosive / InertPositive Pressure[Copper Alloy] Brass•Phosphor BronzeDrip-proof type (equivalent to IP44)0.05 to 0.7 MPaNone1a1b
1 Piece(s)Available

Quote

Air / Water / Nitrogen Gas / ArgonNoncorrosive / InertPositive Pressure[Copper Alloy] Brass•Phosphor BronzeDrip-proof type (equivalent to IP44)0.05 to 0.7 MPaWith hysteresis scale plate1a1b
1 Piece(s)Available

3 Days

Air / Water / Nitrogen Gas / ArgonNoncorrosive / InertPositive Pressure[Copper Alloy] Brass•Phosphor BronzeDrip-proof type (equivalent to IP44)0.1 to 1.0 MPaNone1a1b
1 Piece(s)Available

Quote

Air / Water / Nitrogen Gas / ArgonNoncorrosive / InertPositive Pressure[Copper Alloy] Brass•Phosphor BronzeDrip-proof type (equivalent to IP44)0.1 to 1.0 MPaWith hysteresis scale plate1a1b
1 Piece(s)Available

Quote

WaterNoncorrosivePositive Pressure[Stainless Steel] Stainless SteelDrip-proof type (equivalent to IP44)0.1 to 1.0 MPaNone1a1b
1 Piece(s)Available

Quote

WaterNoncorrosivePositive Pressure[Stainless Steel] Stainless SteelDrip-proof type (equivalent to IP44)0.1 to 1.0 MPaWith hysteresis scale plate1a1b
Part Number
Part NumberMinimum order quantityVolume DiscountDays to Ship Fluid Type Fluid Characteristics Pressure Type Liquid-contacting parts material Details Type Pressure Setting Range Hysteresis scale plate for adjustment Contact configuration

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Basic Information

Type Pressure Switch Sensor, Monitor Structure Integrated shape Output Method Switch
Pipe Port Type Male thread Plumbing Thread Type R Plumbing Thread Nominal 3/8
Number of Output Points 1 Scale plate pressure unit MPa CE compliant Non-Compatible

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