646DZE Series Pressure Switch

Brand: Custom Control Sensors
  • Adjustable Set Point Range:
    • Increasing: 1.2 to 75 psid, 8.3 to 517.1 kPa, 0.083 to 5.2 bar
    • Decreasing: 0.4 to 71 psid, 2.8 to 489.5 kPa, 0.028 to 4.9 bar
  • Deadband: Approximately 0.8 to 4 psi, 5.51 to 27.6 kPa, 0.055 to 0.28 bar
  • System Pressure (Maximum): 400 psig, 2757.90 kPa, 28 bar
  • Proof Pressure:
    • Both Ports: 750 psig, 5171.07 kPa, 52 bar
    • High: 750 psig, 5171.07 kPa, 52 bar
    • Low: 400 psig, 2757.90 kPa, 28 bar
  • Wetted Materials:
    • Pressure Port: 1/4" Female NPT 300 Stainless Steel
    • Diaphragm: Polyimide
    • O-Ring: Viton
  • Relay: SPDT or DPDT
  • UL, CSA
    • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
  • CRN, CE Mark, Dual Seal
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  • Adjustable Set Point Range:
    • Increasing: 1.2 to 75 psid, 8.3 to 517.1 kPa, 0.083 to 5.2 bar
    • Decreasing: 0.4 to 71 psid, 2.8 to 489.5 kPa, 0.028 to 4.9 bar
  • Deadband: Approximately 0.8 to 4 psi, 5.51 to 27.6 kPa, 0.055 to 0.28 bar
  • System Pressure (Maximum): 400 psig, 2757.90 kPa, 28 bar
  • Proof Pressure:
    • Both Ports: 750 psig, 5171.07 kPa, 52 bar
    • High: 750 psig, 5171.07 kPa, 52 bar
    • Low: 400 psig, 2757.90 kPa, 28 bar
  • Wetted Materials:
    • Pressure Port: 1/4" Female NPT 300 Stainless Steel
    • Diaphragm: Polyimide
    • O-Ring: Viton
  • Relay: SPDT or DPDT
  • UL, CSA
    • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
  • CRN, CE Mark, Dual Seal
18 models matching criteria
646DZE1
CCS DUAL-SNAP Differential Pressure Switch, Hazardous Area, 1/4" NPT 300 SST Port, Polyimide Diaphragm, Viton O-Ring, SPDT, Approvals: UL, CSA, CRN, CE, CCC, EAC, Dual Seal
19 In Stock
$1,519.00USD
$9.99 Shipping
646DZE2
CCS DUAL-SNAP Differential Pressure Switch, Hazardous Area, 1/4" NPT 300 SST Port, Polyimide Diaphragm, Viton O-Ring, SPDT, Approvals: UL, CSA, CRN, CE, CCC, EAC, Dual Seal
3 In Stock
$1,519.00USD
$9.99 Shipping
646DZEY2
CCS DUAL-SNAP Differential Pressure Switch, Hazardous Area, 1/4" NPT 300 SST Port, Polyimide Diaphragm, Viton O-Ring, SPDT, Approvals: UL, CSA, Approvals: ATEX, GOST, IECEx, CE, CRN, CCC, EAC, Dual Seal
5 - 7 weeks
$1,747.00USD
$9.99 Shipping
available on backorder
646DZEM1
CCS DUAL-SNAP Differential Pressure Switch, Hazardous Area, 1/4" NPT 300 SST Port, Polyimide Diaphragm, Viton O-Ring, DPDT, SPDT, Approvals: UL, CSA, CRN, CE, CCC, EAC, Dual Seal
5 - 7 weeks
$1,750.00USD
$9.99 Shipping
available on backorder
646DZEY1
CCS DUAL-SNAP Differential Pressure Switch, Hazardous Area, 1/4" NPT 300 SST Port, Polyimide Diaphragm, Viton O-Ring, SPDT, Approvals: UL, CSA, Approvals: ATEX, GOST, IECEx, CE, CRN, CCC, EAC, Dual Seal
5 - 7 weeks
$1,794.00USD
$9.99 Shipping
available on backorder
646DZE1318
CCS DUAL-SNAP Differential Pressure Switch, Hazardous Area, 1/4" NPT 300 SST Port & Diaphragm, Viton O-Ring, SPDT, 2m Leads, Approvals: UL, CSA, CRN, CE, CCC, EAC, Dual Seal
10 - 12 weeks
$2,401.00USD
$9.99 Shipping
available on backorder
646DZE1010
CCS DUAL-SNAP Differential Pressure Switch, Hazardous Area, 300 SST Port & Diaphragm, Viton O-Ring, SPDT, 10-foot Leads, Approvals: UL, CSA, CRN, CE, CCC, EAC, Dual Seal
Out of Stock
$2,472.00USD
$9.99 Shipping
646DZE1-7008
CCS DUAL-SNAP Differential Pressure Switch, Hazardous Area, 1/4" NPT 300 SST Port, Polyimide Diaphragm, Viton O-Ring, SPDT, Gold Contacts, Approvals: UL, CSA, CRN, CE, CCC, EAC, Dual Seal
5 - 6 weeks
646DZE573
CCS DUAL-SNAP Differential Pressure Switch, Hazardous Area, SPDT
10 - 12 weeks
646DZEB2
CCS DUAL-SNAP Differential Pressure Switch, Hazardous Area, 1/4" NPT 300 SST Port, Polyimide Diaphragm, Buna-N O-Ring, SPDT, Approvals: UL, CSA, CRN, CE, CCC, EAC, Dual Seal
5 - 7 weeks
646DZEBM2
CCS DUAL-SNAP Differential Pressure Switch, Hazardous Area, 1/4" NPT 300 SST Port, Polyimide Diaphragm, Buna-N O-Ring, DPDT, Approvals: UL, CSA, CRN, CE, CCC, EAC, Dual Seal
10 - 12 weeks
646DZEF1
CCS DUAL-SNAP Differential Pressure Switch, Hazardous Area, 1/4" NPT 300 SST Port, Polyimide Diaphragm, Ethylene Propylene O-Ring, SPDT, Approvals: UL, CSA, CRN, CE, CCC, EAC, Dual Seal
5 - 7 weeks
646DZEM2
CCS DUAL-SNAP Differential Pressure Switch, Hazardous Area, 1/4" NPT 300 SST Port, Polyimide Diaphragm, Viton O-Ring, DPDT, SPDT, Approvals: UL, CSA, CRN, CE, CCC, EAC, Dual Seal
5 - 7 weeks
646DZEM2-7008
CCS DUAL-SNAP Differential Pressure Switch, Hazardous Area, 1/4" NPT 300 SST Port, Polyimide Diaphragm, Viton O-Ring, DPDT, Gold Contacts, SPDT, Approvals: UL, CSA, CRN, CE, CCC, EAC, Dual Seal
5 - 7 weeks
646DZEM4-7011
CCS DUAL-SNAP Differential Pressure Switch, Hazardous Area, 1/4" NPT 300 SST Port & Diaphragm, Viton O-Ring, DPDT, SPDT, Approvals: UL, CSA, CRN, CE, CCC, EAC, Dual Seal
5 - 7 weeks
646DZEN2
CCS DUAL-SNAP Differential Pressure Switch, Hazardous Area, 1/4" NPT 300 SST Port, Polyimide Diaphragm, Neoprene O-Ring, SPDT, SPDT, Approvals: UL, CSA, CRN, CE, CCC, EAC, Dual Seal
5 - 7 weeks
646DZEM4-7065
CCS DUAL-SNAP Differential Pressure Switch, Haz. Area, 1/4" NPT 300 SST Port & Diaphragm, DPDT Teflo
11 - 12 weeks
646DZEM636
CCS DUAL-SNAP Differential Pressure Switch, Haz. Area, DPDT
10 - 12 weeks

646DZE

Base Model

Process Connection

O-Ring

Output

Electrical Contacts

Agency Approvals

Paint

Specifications

Adjustment Type

  • Field Adjustable

Approvals & Certifications

  • ATEX
  • CE
  • CRN
  • CRN - Alberta
  • CRN - British Columbia
  • CRN - Manitoba
  • CRN - N.W. Territories
  • CRN - Saskatchewan
  • CSA
  • cUL
  • Dual Seal
  • EMC
  • LVD
  • PED
  • RoHS
  • RTN
  • UL

Deadband, Approximate

  • bar: 0.055 to 0.28
  • kPa: 5.51 to 27.58
  • psig: 0.8 to 4

Diaphragm Material

  • Polyimide

Electrical - Free Leads

  • 18" (45 cm) Free Leads
  • 18" (45 cm) Teflon Leadwire

Electrical Assembly

  • Hermetic Seal

Electrical Certification

  • ATEX - Baseefa Certified for Potentially Explosive Atmospheres. Models 646**Y, II 2 GD Ex D IIC, Baseefa 07-ATEX-0108X. (Option Y)
  • c-UL, UL/CSA Explosion-proof: Div. 1, 2 Hermetically Sealed Electrical Assembly P/N 17-51 (17-73 for M Model Option), Listed by Both Underwriter’s Laboratories, Inc. (File No. E32961) & Canadian Standard Association (CSA) Testing Laboratories (File No.

Electrical Connectors

  • 1/2" NPT Male

Electrical Contacts

  • Gold
  • Silver

Electrical Rating

  • 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

Enclosure, Body Material

  • Aluminum

Environmental Protection

  • Hazardous Area
  • IP54
  • IP66
  • NEMA 13
  • NEMA 4, 7, 9, 13 / IP54, 66
  • NEMA 7
  • NEMA 9

NACE & NIST

  • NACE MR-0175:2003

NPT Connection

  • 1/4" NPT Female

Operating Temperature

  • -40° to 86° C (-40° to 187° F)

O-Ring Material

  • Ethylene Propylene (EPR)
  • Viton

Process Connection Material

  • 316 Stainless Steel

Proof Pressure - Both Ports

  • bar: 51.7
  • kPa: 5,171
  • psig: 750

Proof Pressure - High Over Low

  • bar: 51.7
  • kPa: 5,171
  • psig: 750

Proof Pressure - Low Over High

  • bar: 28
  • kPa: 2,758
  • psig: 400

Service

  • Sour (Oil & Gas)

Set Point - Decreasing

  • bar: 0.028 to 4.9
  • kPa: 2.8 to 489.5
  • psid: 0.4 to 71

Set Point - Increasing

  • bar: 0.083 to 5.2
  • kPa: 8.3 to 517.1
  • psid: 1.2 to 75

Switch Type

  • DPDT
  • SPDT

System Pressure

  • bar: 28
  • kPa: 2,758
  • psig: 400

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