• Adjustable Set Point Range:
    • Increasing: 1.2 to 1000 psig, 8.3 to 6894.7 kPa, 0.07 to 68.9 bar
    • Decreasing: 0.4 to 935 psig, 2.8 to 6446.5 kPa, 0.03 to 64.5 bar
  • Deadband: Approximately 0.8 to 65 psig, 5.51 to 448.1 kPa, 0.06 to 4.5 bar
  • System Pressure (Maximum): 500 to 3000 psig, 3447.38 to 20684.2 kPa, 35  to 207 bar
  • Proof Pressure: 750 to 5000 psig, 5171.07 to 34473.7 kPa, 52 to 345 bar
  • Wetted Materials:
    • Pressure Port: 1/4" FNPT Aluminum
    • Diaphragm: Polyimide
    • O-Ring: Buna N
  • Relay: SPDT or DPDT
  • UL, CSA
    • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
  • CRN, CE Mark, Dual Seal
The above description encapsulates the entire product series. Specifications for individual configurations may vary depending on the selection chosen.
read more...

7 Models In Stock

646GE1
646GE1
$306.00
  • Base Model
  • psig
    • Increasing 1.2 to 16
    • Decreasing 0.4 to 15.2
  • kPa
    • Increasing 8.3 to 110.3
    • Decreasing 2.8 to 104.8
  • bar
    • Increasing 0.07 to 1.1
    • Decreasing 0.03 to 1.04
  • Base Model

    646GE1
  • Process Connection

    1/4"-18 NPT Aluminum
  • Diaphragm

    Polyimide
  • O-Ring

    Buna-N
  • Output

    SPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    UL, CSA, CE, CRN, Dual Seal
646GE1026
646GE1026
$333.00
  • Adjustable Set Point Range:
    • Increasing: 210 to 410 psig
  • Deadband: Approximately 10 psig
  • System Pressure (Maximum): 3000 psig, 20684.27 kPa, 207 bar
  • Proof Pressure: 4500 psig
  • Wetted Materials:
    • Pressure Port: 1/4" FNPT Aluminum
    • Diaphragm: Polyimide
  • Relay: SPDT
  • Leads: (4)x 18" Free Leads
  • UL, CSA
    • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
    • Dual Seal - ANSI/ISA - 12.27.01-2003
  • CRN, CE Mark
646GE11
646GE11
$305.25 $241.00 21% off While Supplies Last
  • 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

    646GE11
  • Process Connection

    1/4"-18 NPT Aluminum
  • Diaphragm

    Polyimide
  • O-Ring

    Buna-N
  • Output

    SPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    UL, CSA, CE, CRN, Dual Seal
646GE2
646GE2
$306.00
  • 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

    646GE2
  • Process Connection

    1/4"-18 NPT Aluminum
  • Diaphragm

    Polyimide
  • O-Ring

    Buna-N
  • Output

    SPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    UL, CSA, CE, CRN, Dual Seal
646GE3
646GE3
$306.00
  • 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

    646GE3
  • Process Connection

    1/4"-18 NPT Aluminum
  • Diaphragm

    Polyimide
  • O-Ring

    Buna-N
  • Output

    SPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    UL, CSA, CE, CRN, Dual Seal
646GEM2
646GEM2
$360.75 $234.00 35% off While Supplies Last
  • 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

    646GE2
  • Process Connection

    1/4"-18 NPT Aluminum
  • Diaphragm

    Polyimide
  • O-Ring

    Buna-N
  • Output

    DPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    UL, CSA, CE, CRN, Dual Seal
646GEY2
646GEY2
$442.89 $276.00 37% off While Supplies Last
  • ATEX (Y)
  • 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

    646GE2
  • Process Connection

    1/4"-18 NPT Aluminum
  • Diaphragm

    Polyimide
  • O-Ring

    Buna-N
  • Output

    SPDT
  • Electrical Contacts

    Silver
  • Manual Reset

    None
  • Agency Approvals

    ATEX

Selected Configuration

Model #:

646GE1

Price:
$306.00 USD
Availability:
In Stock (50+)
Min. Qty:
5 Items

Configuration

reset configuration

Agency Approvals

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

Set Point - Increasing

Set Point Ranges below describe the adjustable increasing range of the entire series, for specific ranges by model click a desired unit of measurement below.
Operating & Ordering Data:
MODEL 646GE 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure

psig
Proof
(Test)
Pressure

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

psig
Decreasing
Pressure

psig
Model
646GE*
Wetted
Parts
500 750 1.2 - 16 0.4 - 15.2 0.8 GE1 Aluminum
Polyimide
Buna N
3000 5000 8 - 75 3 - 70 5 GE2
3000 5000 20 - 150 8 - 138 12 GE11
3000 5000 50 - 375 22 - 347 28 GE3
3000 5000 330 - 1000 265 - 935 65 GE5

MODEL 646GE 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
646GE*
Wetted
Parts
3500 5200 7 - 110 3 - 104 6 GE1 Aluminum
Polyimide
Buna N
2700 34500 60 - 520 20 - 480 34 GE2
2700 34500 140 - 1030 60 - 950 80 GE11
2700 34500 350 - 2590 150 - 2390 190 GE3
2700 34500 2280 - 6890 1830 - 6450 450 GE5

Operating & Ordering Data:
MODEL 646GE 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
646GE*
Wetted
Parts
35 52 0.07 - 1.1 0.03 - 1.04 0.06 GE1 Aluminum
Polyimide
Buna N
207 345 0.6 - 5.2 0.2 - 4.8 0.34 GE2
207 345 1.4 - 10.3 0.6 - 9.5 0.8 GE11
207 345 3.5 - 25.9 1.5 - 23.9 1.9 GE3
207 345 22.8 - 68.9 18.3 - 64.5 4.5 GE5

  • bar: 0.07 to 68.9
  • kPa: 8.3 to 6,895
  • psig: 1.2 to 1,000

Set Point - Decreasing

Set Point Ranges below describe the adjustable decreasing range of the entire series, for specific ranges by model a desired unit of measurement below.
Operating & Ordering Data:
MODEL 646GE 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure

psig
Proof
(Test)
Pressure

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

psig
Decreasing
Pressure

psig
Model
646GE*
Wetted
Parts
500 750 1.2 - 16 0.4 - 15.2 0.8 GE1 Aluminum
Polyimide
Buna N
3000 5000 8 - 75 3 - 70 5 GE2
3000 5000 20 - 150 8 - 138 12 GE11
3000 5000 50 - 375 22 - 347 28 GE3
3000 5000 330 - 1000 265 - 935 65 GE5

MODEL 646GE 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
646GE*
Wetted
Parts
3500 5200 7 - 110 3 - 104 6 GE1 Aluminum
Polyimide
Buna N
2700 34500 60 - 520 20 - 480 34 GE2
2700 34500 140 - 1030 60 - 950 80 GE11
2700 34500 350 - 2590 150 - 2390 190 GE3
2700 34500 2280 - 6890 1830 - 6450 450 GE5

Operating & Ordering Data:
MODEL 646GE 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
646GE*
Wetted
Parts
35 52 0.07 - 1.1 0.03 - 1.04 0.06 GE1 Aluminum
Polyimide
Buna N
207 345 0.6 - 5.2 0.2 - 4.8 0.34 GE2
207 345 1.4 - 10.3 0.6 - 9.5 0.8 GE11
207 345 3.5 - 25.9 1.5 - 23.9 1.9 GE3
207 345 22.8 - 68.9 18.3 - 64.5 4.5 GE5

  • bar: 0.03 to 64.5
  • kPa: 2.8 to 6,446
  • psig: 0.4 to 935

Adjustment Type

  • Field Adjustable

System Pressure

System Pressure below describes the range of the entire series, for specific values by model click a desired unit of measurement below.
Operating & Ordering Data:
MODEL 646GE 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure

psig
Proof
(Test)
Pressure

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

psig
Decreasing
Pressure

psig
Model
646GE*
Wetted
Parts
500 750 1.2 - 16 0.4 - 15.2 0.8 GE1 Aluminum
Polyimide
Buna N
3000 5000 8 - 75 3 - 70 5 GE2
3000 5000 20 - 150 8 - 138 12 GE11
3000 5000 50 - 375 22 - 347 28 GE3
3000 5000 330 - 1000 265 - 935 65 GE5

MODEL 646GE 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
646GE*
Wetted
Parts
3500 5200 7 - 110 3 - 104 6 GE1 Aluminum
Polyimide
Buna N
2700 34500 60 - 520 20 - 480 34 GE2
2700 34500 140 - 1030 60 - 950 80 GE11
2700 34500 350 - 2590 150 - 2390 190 GE3
2700 34500 2280 - 6890 1830 - 6450 450 GE5

Operating & Ordering Data:
MODEL 646GE 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
646GE*
Wetted
Parts
35 52 0.07 - 1.1 0.03 - 1.04 0.06 GE1 Aluminum
Polyimide
Buna N
207 345 0.6 - 5.2 0.2 - 4.8 0.34 GE2
207 345 1.4 - 10.3 0.6 - 9.5 0.8 GE11
207 345 3.5 - 25.9 1.5 - 23.9 1.9 GE3
207 345 22.8 - 68.9 18.3 - 64.5 4.5 GE5

  • 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 a desired unit of measurement below.
Operating & Ordering Data:
MODEL 646GE 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure

psig
Proof
(Test)
Pressure

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

psig
Decreasing
Pressure

psig
Model
646GE*
Wetted
Parts
500 750 1.2 - 16 0.4 - 15.2 0.8 GE1 Aluminum
Polyimide
Buna N
3000 5000 8 - 75 3 - 70 5 GE2
3000 5000 20 - 150 8 - 138 12 GE11
3000 5000 50 - 375 22 - 347 28 GE3
3000 5000 330 - 1000 265 - 935 65 GE5

MODEL 646GE 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
646GE*
Wetted
Parts
3500 5200 7 - 110 3 - 104 6 GE1 Aluminum
Polyimide
Buna N
2700 34500 60 - 520 20 - 480 34 GE2
2700 34500 140 - 1030 60 - 950 80 GE11
2700 34500 350 - 2590 150 - 2390 190 GE3
2700 34500 2280 - 6890 1830 - 6450 450 GE5

Operating & Ordering Data:
MODEL 646GE 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
646GE*
Wetted
Parts
35 52 0.07 - 1.1 0.03 - 1.04 0.06 GE1 Aluminum
Polyimide
Buna N
207 345 0.6 - 5.2 0.2 - 4.8 0.34 GE2
207 345 1.4 - 10.3 0.6 - 9.5 0.8 GE11
207 345 3.5 - 25.9 1.5 - 23.9 1.9 GE3
207 345 22.8 - 68.9 18.3 - 64.5 4.5 GE5

  • 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 a desired unit of measurement below.
Operating & Ordering Data:
MODEL 646GE 1/4" Aluminum Pressure Port & Polyimide Diaphragm
Maximum
System
Pressure

psig
Proof
(Test)
Pressure

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

psig
Decreasing
Pressure

psig
Model
646GE*
Wetted
Parts
500 750 1.2 - 16 0.4 - 15.2 0.8 GE1 Aluminum
Polyimide
Buna N
3000 5000 8 - 75 3 - 70 5 GE2
3000 5000 20 - 150 8 - 138 12 GE11
3000 5000 50 - 375 22 - 347 28 GE3
3000 5000 330 - 1000 265 - 935 65 GE5

MODEL 646GE 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
646GE*
Wetted
Parts
3500 5200 7 - 110 3 - 104 6 GE1 Aluminum
Polyimide
Buna N
2700 34500 60 - 520 20 - 480 34 GE2
2700 34500 140 - 1030 60 - 950 80 GE11
2700 34500 350 - 2590 150 - 2390 190 GE3
2700 34500 2280 - 6890 1830 - 6450 450 GE5

Operating & Ordering Data:
MODEL 646GE 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
646GE*
Wetted
Parts
35 52 0.07 - 1.1 0.03 - 1.04 0.06 GE1 Aluminum
Polyimide
Buna N
207 345 0.6 - 5.2 0.2 - 4.8 0.34 GE2
207 345 1.4 - 10.3 0.6 - 9.5 0.8 GE11
207 345 3.5 - 25.9 1.5 - 23.9 1.9 GE3
207 345 22.8 - 68.9 18.3 - 64.5 4.5 GE5

  • bar: 0.06 to 4.5
  • kPa: 5.6 to 446.1
  • psi: 0.8 to 65

Process Connection - Threaded

  • 1/4" Female NPT

Environmental Protection

  • Hazardous Area
  • NEMA 13
  • NEMA 4, 7, 9, 13 / IP54, 66

Switch Type

  • DPDT
  • SPDT

Electrical Assembly

  • Hermetic Seal

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     2 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
  • 11 A at 125/250 Vac Resistive, 5 A at 28 Vdc, 0.5 A at 125 Vdc
  • 15 A at 125/250/480 Vac Resistive 0.5 A at 125 DC, 0.2 A at 250 DC

Electrical - Free Leads

Available selections listed below, free leads are standard.
  • 18" (45 cm) Free Leads
  • 18" (45 cm) Teflon Leadwire

Electrical Contacts

Available electrical contact materials listed below, silver is standard.
  • Gold
  • Silver

Electrical Connectors

  • 1/2" Male NPT

Electrical Certification

  • ±5%
  • 8-12 Vdc

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