• Adjustable Set Point Range:
    • Increasing: 1 to 1000 psig, 6.89 to 6894.7 kPa, 0.07 to 68.9 bar
    • Decreasing: 0.3 to 935 psig, 2.1 to 6446.5 kPa, 0.02 to 64.5 bar
  • Deadband: Approximately 0.7-65 psi, 4.9-448.1 kPa, 0.05-4.5 bar
  • System Pressure (Maximum): 500-3000 psig, 3337.4-20684.2 kPa, 34.5-207 bar
  • Proof Pressure: 750-5000 psig, 5171.1-34473.7 kPa, 51.7-345 bar
  • Wetted Materials:
    • Pressure Port: 1/4" FNPT Aluminum
    • Diaphragm: Polyimide
    • O-Ring: Buna N
  • Relay: SPDT or DPDT
  • UL, CRN, CE Mark, General Purpose 
The above description encapsulates the entire product series. Specifications for individual configurations may vary depending on the selection chosen.
read more...

12 Models In Stock

604G1
604G1
$177.00
  • Base Model
  • psig
    • Increasing 1 to 16
    • Decreasing 0.3 to 15.3
  • kPa
    • Increasing 6.9 to 110.3
    • Decreasing 2.1 to 105.4
  • bar
    • Increasing 0.07 to 1.1
    • Decreasing 0.02 to 1.05
  • Base Model

    604G1
  • O-Ring

    Buna-N
  • Output

    SPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    UL, CE, CRN
604G11
604G11
$145.00
  • Base Model
  • psig
    • Increasing 20 to 150
    • Decreasing 8 to 138
  • kPa
    • Increasing 137.9 to 1034.2
    • Decreasing 55.2 to 951.4
  • bar
    • Increasing 1.4 to 10.3
    • Decreasing 0.6 to 9.5
  • Base Model

    604G11
  • O-Ring

    Buna-N
  • Output

    SPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    UL, CE, CRN
604G2
604G2
$112.00
  • Base Model
  • psig
    • Increasing 8 to 75
    • Decreasing 3 to 70
  • kPa
    • Increasing 55.2 to 517.1
    • Decreasing 20.7 to 482.6
  • bar
    • Increasing 0.6 to 5.2
    • Decreasing 0.2 to 4.8
  • Base Model

    604G2
  • O-Ring

    Buna-N
  • Output

    SPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    UL, CE, CRN
604G3
604G3
$177.00
  • Base Model
  • psig
    • Increasing 50 to 375
    • Decreasing 22 to 347
  • kPa
    • Increasing 344.8 to 2585.5
    • Decreasing 151.7 to 2392.4
  • bar
    • Increasing 3.5 to 25.9
    • Decreasing 1.5 to 23.9
  • Base Model

    604G3
  • O-Ring

    Buna-N
  • Output

    SPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    UL, CE, CRN
604G5
604G5
$176.49 $111.00 37% off While Supplies Last
  • Base Model
  • psig
    • Increasing 330 to 1000
    • Decreasing 265 to 935
  • kPa
    • Increasing 2275.3 to 6894.7
    • Decreasing 1827.2 to 6446.5
  • bar
    • Increasing 22.8 to 68.9
    • Decreasing 18.3 to 64.5
  • Base Model

    604G5
  • O-Ring

    Buna-N
  • Output

    SPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    UL, CE, CRN
604GJ1
604GJ1
$185.00
  • CSA (J)
  • psig
    • Increasing 1 to 16
    • Decreasing 0.3 to 15.3
  • kPa
    • Increasing 6.9 to 110.3
    • Decreasing 2.1 to 105.4
  • bar
    • Increasing 0.07 to 1.1
    • Decreasing 0.02 to 1.05
  • Base Model

    604G1
  • O-Ring

    Buna-N
  • Output

    SPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    CSA
604GJ11
604GJ11
$185.00
  • CSA (J)
  • psig
    • Increasing 20 to 150
    • Decreasing 8 to 138
  • kPa
    • Increasing 137.9 to 1034.2
    • Decreasing 55.2 to 951.4
  • bar
    • Increasing 1.4 to 10.3
    • Decreasing 0.6 to 9.5
  • Base Model

    604G11
  • O-Ring

    Buna-N
  • Output

    SPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    CSA
604GJ2
604GJ2
$185.00
  • CSA (J)
  • psig
    • Increasing 8 to 75
    • Decreasing 3 to 70
  • kPa
    • Increasing 55.2 to 517.1
    • Decreasing 20.7 to 482.6
  • bar
    • Increasing 0.6 to 5.2
    • Decreasing 0.2 to 4.8
  • Base Model

    604G2
  • O-Ring

    Buna-N
  • Output

    SPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    CSA
604GJ5
604GJ5
$185.00
  • CSA (J)
  • psig
    • Increasing 330 to 1000
    • Decreasing 265 to 935
  • kPa
    • Increasing 2275.3 to 6894.7
    • Decreasing 1827.2 to 6446.5
  • bar
    • Increasing 22.8 to 68.9
    • Decreasing 18.3 to 64.5
  • Base Model

    604G5
  • O-Ring

    Buna-N
  • Output

    SPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    CSA
604GM1
604GM1
$232.00
  • DPDT Electrical (M)
  • psig
    • Increasing 1 to 16
    • Decreasing 0.3 to 15.3
  • kPa
    • Increasing 6.9 to 110.3
    • Decreasing 2.1 to 105.4
  • bar
    • Increasing 0.07 to 1.1
    • Decreasing 0.02 to 1.05
  • Base Model

    604G1
  • O-Ring

    Buna-N
  • Output

    DPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    UL, CE, CRN
604GM11
604GM11
$231.99 $143.00 38% off While Supplies Last
  • DPDT Electrical (M)
  • psig
    • Increasing 20 to 150
    • Decreasing 8 to 138
  • kPa
    • Increasing 137.9 to 1034.2
    • Decreasing 55.2 to 951.4
  • bar
    • Increasing 1.4 to 10.3
    • Decreasing 0.6 to 9.5
  • Base Model

    604G11
  • O-Ring

    Buna-N
  • Output

    DPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    UL, CE, CRN
604GM2
604GM2
$232.00
  • DPDT Electrical (M)
  • psig
    • Increasing 8 to 75
    • Decreasing 3 to 70
  • kPa
    • Increasing 55.2 to 517.1
    • Decreasing 20.7 to 482.6
  • bar
    • Increasing 0.6 to 5.2
    • Decreasing 0.2 to 4.8
  • Base Model

    604G2
  • O-Ring

    Buna-N
  • Output

    DPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    UL, CE, CRN

Selected Configuration

Model #:

604G1

Price:
$177.00 USD
Availability:
In Stock (100+)
Min. Qty:
5 Items

Configuration

reset configuration

Agency Approvals

Available agency approvals listed below, CSA is a non standard option.
  • CE
  • CRN - Alberta
  • CRN - British Columbia
  • CRN - Manitoba
  • CRN - N.W. Territories
  • CRN - Saskatchewan
  • CSA
  • cUL
  • EMC Directive
  • LVD
  • PED
  • RoHS
  • UL

Environmental Protection

  • NEMA 4, 13 / IP65, 66
  • Non-Hazardous Area

Set Point - Increasing

Set Point Ranges below describe the adjustable increasing range of the entire series, for specific ranges by model click desired unit of measurement below.
MODEL 604G 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure

psi
Proof
(Test)
Pressure

psi
Adjustable Set Point Range Deadband
Approximate
psi
Model Number & Wetted Parts
Increasing
Pressure

psi
Decreasing
Pressure

psi
Model
604G*
Wetted
Parts
500 750 1 - 16 0.3 - 15.3 0.7 G1 Aluminum
Polyimide
Buna N
500 750 1.2 - 18  0.4 - 17.2 0.8 GM1
3000 5000 8 - 75 3 - 70 5 G2
3000 5000 20 - 150 8 - 138 12 G11
3000 5000 50 - 375 22 - 347 28 G3
3000 5000 330 - 1000 265 - 935 65 G5

MODEL 604G 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure
kPa
Proof
(Test)
Pressure
kPa
Adjustable Set Point Range Deadband
Approximate
kPa
Model Number & Wetted Parts
Increasing
Pressure 
kPa
Decreasing
Pressure 
kPa
Model
604G*
Wetted
Parts
3450 5170 7 - 110 2 - 105 5 G1 Aluminum
Polyimide
Buna N
3450 5170 8 - 120 3 - 118 5 GM1
20700 34500 60 - 520 20 - 480 34 G2
20700 34500 140 - 1030 60 - 950 80 G11
20700 34500 350 - 2590 150 - 2390 190 G3
20700 34500 2280 - 6890 1830 - 6450 450 G5

MODEL 604G 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure
 
bar
Proof
(Test)
Pressure

bar
Adjustable Set Point Range Deadband
Approximate
bar
Model Number & Wetted Parts
Increasing
Pressure

bar
Decreasing
Pressure

bar
Model
604G*
Wetted 
Parts
34.5 51.7 0.07 - 1.1 0.02 - 1.05 0.05 G1 Aluminum
Polyimide
Buna N
34.5 51.7 0.08 - 1.2 0.03 - 1.18 0.05 GM1
207 345 0.6 - 5.2 0.2 - 4.8 0.34 G2
207 345 1.4 - 10.3 0.6 - 9.5 0.8 G11
207 345 3.5 - 25.9 1.5 - 23.9 1.9 G3
207 345 22.8 - 68.9 18.3 - 64.5 4.5 G5

  • bar: 0.07 to 68.9
  • kPa: 6.9 to 6,895
  • psig: 1 to 1,000

Set Point - Decreasing

Set Point Ranges below describe the adjustable decreasing range of the entire series, for specific ranges by model click desired unit of measurement below.
MODEL 604G 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure

psi
Proof
(Test)
Pressure

psi
Adjustable Set Point Range Deadband
Approximate
psi
Model Number & Wetted Parts
Increasing
Pressure

psi
Decreasing
Pressure

psi
Model
604G*
Wetted
Parts
500 750 1 - 16 0.3 - 15.3 0.7 G1 Aluminum
Polyimide
Buna N
500 750 1.2 - 18  0.4 - 17.2 0.8 GM1
3000 5000 8 - 75 3 - 70 5 G2
3000 5000 20 - 150 8 - 138 12 G11
3000 5000 50 - 375 22 - 347 28 G3
3000 5000 330 - 1000 265 - 935 65 G5

MODEL 604G 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure

kPa
Proof
(Test)
Pressure

kPa
Adjustable Set Point Range Deadband
Approximate
kPa
Model Number & Wetted Parts
Increasing
Pressure
 
kPa
Decreasing
Pressure
 
kPa
Model
604G*
Wetted
Parts
3450 5170 7 - 110 2 - 105 5 G1 Aluminum
Polyimide
Buna N
3450 5170 8 - 120 3 - 118 5 GM1
20700 34500 60 - 520 20 - 480 34 G2
20700 34500 140 - 1030 60 - 950 80 G11
20700 34500 350 - 2590 150 - 2390 190 G3
20700 34500 2280 - 6890 1830 - 6450 450 G5

MODEL 604G 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure
 
bar
Proof
(Test)
Pressure

bar
Adjustable Set Point Range Deadband
Approximate
bar
Model Number & Wetted Parts
Increasing
Pressure

bar
Decreasing
Pressure

bar
Model
604G*
Wetted 
Parts
34.5 51.7 0.07 - 1.1 0.02 - 1.05 0.05 G1 Aluminum
Polyimide
Buna N
34.5 51.7 0.08 - 1.2 0.03 - 1.18 0.05 GM1
207 345 0.6 - 5.2 0.2 - 4.8 0.34 G2
207 345 1.4 - 10.3 0.6 - 9.5 0.8 G11
207 345 3.5 - 25.9 1.5 - 23.9 1.9 G3
207 345 22.8 - 68.9 18.3 - 64.5 4.5 G5

  • bar: 0.02 to 64.5
  • kPa: 2.1 to 6,446
  • psig: 0.3 to 935

Adjustment Type

  • Field Adjustable

System Pressure

System Pressure below describes the range of the entire series, for specific values by model click desired unit of measurement below.
MODEL 604G 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure

psi
Proof
(Test)
Pressure

psi
Adjustable Set Point Range Deadband
Approximate
psi
Model Number & Wetted Parts
Increasing
Pressure

psi
Decreasing
Pressure

psi
Model
604G*
Wetted
Parts
500 750 1 - 16 0.3 - 15.3 0.7 G1 Aluminum
Polyimide
Buna N
500 750 1.2 - 18  0.4 - 17.2 0.8 GM1
3000 5000 8 - 75 3 - 70 5 G2
3000 5000 20 - 150 8 - 138 12 G11
3000 5000 50 - 375 22 - 347 28 G3
3000 5000 330 - 1000 265 - 935 65 G5

MODEL 604G 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure

kPa
Proof
(Test)
Pressure

kPa
Adjustable Set Point Range Deadband
Approximate
kPa
Model Number & Wetted Parts
Increasing
Pressure
 
kPa
Decreasing
Pressure
 
kPa
Model
604G*
Wetted
Parts
3450 5170 7 - 110 2 - 105 5 G1 Aluminum
Polyimide
Buna N
3450 5170 8 - 120 3 - 118 5 GM1
20700 34500 60 - 520 20 - 480 34 G2
20700 34500 140 - 1030 60 - 950 80 G11
20700 34500 350 - 2590 150 - 2390 190 G3
20700 34500 2280 - 6890 1830 - 6450 450 G5

MODEL 604G 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure
 
bar
Proof
(Test)
Pressure

bar
Adjustable Set Point Range Deadband
Approximate
bar
Model Number & Wetted Parts
Increasing
Pressure

bar
Decreasing
Pressure

bar
Model
604G*
Wetted 
Parts
34.5 51.7 0.07 - 1.1 0.02 - 1.05 0.05 G1 Aluminum
Polyimide
Buna N
34.5 51.7 0.08 - 1.2 0.03 - 1.18 0.05 GM1
207 345 0.6 - 5.2 0.2 - 4.8 0.34 G2
207 345 1.4 - 10.3 0.6 - 9.5 0.8 G11
207 345 3.5 - 25.9 1.5 - 23.9 1.9 G3
207 345 22.8 - 68.9 18 - 64.5 4.5 G5

  • bar: 34.5 to 207
  • kPa: 3,447 to 20,684
  • psig: 500 to 3,000

Proof Pressure

Proof Pressure below describes the range of the entire series, for specific values by model click desired unit of measurement below.

MODEL 604G 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure

psi
Proof
(Test)
Pressure

psi
Adjustable Set Point Range Deadband
Approximate
psi
Model Number & Wetted Parts
Increasing
Pressure

psi
Decreasing
Pressure

psi
Model
604G*
Wetted
Parts
500 750 1 - 16 0.3 - 15.3 0.7 G1 Aluminum
Polyimide
Buna N
500 750 1.2 - 18  0.4 - 17.2 0.8 GM1
3000 5000 8 - 75 3 - 70 5 G2
3000 5000 20 - 150 8 - 138 12 G11
3000 5000 50 - 375 22 - 347 28 G3
3000 5000 330 - 1000 265 - 935 65 G5

MODEL 604G 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure

kPa
Proof
(Test)
Pressure

kPa
Adjustable Set Point Range Deadband
Approximate
kPa
Model Number & Wetted Parts
Increasing
Pressure
 
kPa
Decreasing
Pressure
 
kPa
Model
604G*
Wetted
Parts
3450 5170 7 - 110 2 - 105 5 G1 Aluminum
Polyimide
Buna N
3450 5170 8 - 120 3 - 118 5 GM1
20700 34500 60 - 520 20 - 480 34 G2
20700 34500 140 - 1030 60 - 950 80 G11
20700 34500 350 - 2590 150 - 2390 190 G3
20700 34500 2280 - 6890 1830 - 6450 450 G5

MODEL 604G 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure
 
bar
Proof
(Test)
Pressure

bar
Adjustable Set Point Range Deadband
Approximate
bar
Model Number & Wetted Parts
Increasing
Pressure

bar
Decreasing
Pressure

bar
Model
604G*
Wetted 
Parts
34.5 51.7 0.07 - 1.1 0.02 - 1.05 0.05 G1 Aluminum
Polyimide
Buna N
34.5 51.7 0.08 - 1.2 0.03 - 1.18 0.05 GM1
207 345 0.6 - 5.2 0.2 - 4.8 0.34 G2
207 345 1.4 - 10.3 0.6 - 9.5 0.8 G11
207 345 3.5 - 25.9 1.5 - 23.9 1.9 G3
207 345 22.8 - 68.9 18.3 - 64.5 4.5 G5

  • bar: 51.7 to 345
  • kPa: 5,171 to 34,473
  • psig: 750 to 5,000

Operating Temperature

  • -40° to 86° C (-40° to 187° F)

Deadband, Approximate

Deadband below describes the approximate deadband range of the entire series, for specific values by model click desired unit of measurement below.
MODEL 604G 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure

psi
Proof
(Test)
Pressure

psi
Adjustable Set Point Range Deadband
Approximate
psi
Model Number & Wetted Parts
Increasing
Pressure

psi
Decreasing
Pressure

psi
Model
604G*
Wetted
Parts
500 750 1 - 16 0.3 - 15.3 0.7 G1 Aluminum
Polyimide
Buna N
500 750 1.2 - 18  0.4 - 17.2 0.8 GM1
3000 5000 8 - 75 3 - 70 5 G2
3000 5000 20 - 150 8 - 138 12 G11
3000 5000 50 - 375 22 - 347 28 G3
3000 5000 330 - 1000 265 - 935 65 G5

MODEL 604G 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure

kPa
Proof
(Test)
Pressure

kPa
Adjustable Set Point Range Deadband
Approximate
kPa
Model Number & Wetted Parts
Increasing
Pressure
 
kPa
Decreasing
Pressure
 
kPa
Model
604G*
Wetted
Parts
3450 5170 7 - 110 2 - 105 5 G1 Aluminum
Polyimide
Buna N
3450 5170 8 - 120 3 - 118 5 GM1
20700 34500 60 - 520 20 - 480 34 G2
20700 34500 140 - 1030 60 - 950 80 G11
20700 34500 350 - 2590 150 - 2390 190 G3
20700 34500 2280 - 6890 1830 - 6450 450 G5

MODEL 604G 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure
 
bar
Proof
(Test)
Pressure

bar
Adjustable Set Point Range Deadband
Approximate
bar
Model Number & Wetted Parts
Increasing
Pressure

bar
Decreasing
Pressure

bar
Model
604G*
Wetted 
Parts
34.5 51.7 0.07 - 1.1 0.02 - 1.05 0.05 G1 Aluminum
Polyimide
Buna N
34.5 51.7 0.08 - 1.2 0.03 - 1.18 0.05 GM1
207 345 0.6 - 5.2 0.2 - 4.8 0.34 G2
207 345 1.4 - 10.3 0.6 - 9.5 0.8 G11
207 345 3.5 - 25.9 1.5 - 23.9 1.9 G3
207 345 22.8 - 68.9 18.3 - 64.5 4.5 G5

  • bar: 0.05 to 4.5
  • kPa: 4.9 to 448.1
  • psig: 0.7 to 65

Process Connection - Threaded

  • 1/4" Female NPT

Switch Type

  • DPDT
  • SPDT

Electrical Rating

Electrical Characteristics:  
VOLTS AMPERES
SPDT DPDT "M" Dbl Brk"X"
Resistive Resistive Resistive
Silver Contacts
125 AC - 50/60 Hz 15 5 15
250 AC - 50/60 Hz 15 5 15
480 AC - 50/60 Hz 15 - 15
28 DC     6 5 -
125 DC     0.5 0.5 1
250 AC - 50/60 Hz 0.2 - 0.5
Gold Contacts
125 AC - 50/60 Hz 1 Max 1 Max -
30 DC     1 Max 1 Max -
SPDT (Single Pole Double Throw)
A SPDT switching element has one normally open, one normally closed and one common terminal. Three terminals mean that the switch can be wired with the circuit either normally open (N/O) or normally closed (N/C).

DPDT (Double Pole Double Throw)
A DPDT switching element has six electrical terminals. In simple terms, it is two SPDT switching elements operating simultaneously at the same settings. This type of switch can handle two independent circuits without using a relay.

Normally Closed Switching Element
A Normally Closed (NC) Switching Element is one in which the terminals are wired so that current can flow through the switching element until the plunger pin is actuated to open the circuit.
  • 1 A at 125 Vac, 50/60 Hz
  • 15 A at 125/250/480 Vac Resistive, 0.4 A at 125 DC, 0.2 A at 250 DC
  • 5 A at 125/250 Vac Resistive, 5 A at 28 Vdc, 0.5 A at 125 Vdc

Electrical Contacts

Available electrical contact materials listed below, silver is standard.

  • Gold
  • Silver

Electrical Connectors

  • Terminal Strip - Internal

Enclosure/Body Material

  • Aluminum

Process Connection Material

  • Aluminum

O-Ring Material

Available O-ring materials listed below, Buna N is standard.

  • Buna-N
  • Ethylene Propylene
  • Viton

Diaphragm Material

  • Polyimide

Manual Reset

  • Manual Reset on Increasing Pressure

Standard Features

  • Internal Case Ground
  • Weatherproof