Delta Controls Pressure Switch, 207
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207 Pressure Switch

Brand: Delta Mobrey
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The model 207 Pressure Switch is suitable for setpoints between psi: 0 (kPa:0, bar: 0) and psi: 14.5 (kPa: 100, bar: 1) absolute with maximum working pressures up to psi: 43.51 (kPa: 300, bar: 3). 

The model 207 Performance Series pressure switches incorporate a sealed reference vacuum for true absolute pressure sensing.
Features
  • Precision stainless steel mechanism for arduous atmospheres and high humidity
  • Set point adjustable over whole range against calibrated scale with tamperproof adjuster
  • Weatherproof and Flameproof models ATEX and IEC Ex
  • Safety vented or blow out device as standard
  • NACE MR-01-75 compatibility
  • Hermetically sealed microswitch option
  • Sealed reference vacuum for true absolute pressure sensing
  • Ranges available up to psia: 14.5 (kPa: 100, bar: 1) [760 torr]
  • Static pressure up to psia: 45 (kPa: 300, bar: 3)

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Specifications

Brand

Adjustment Type

  • Set Point Adjustment

Ambient Temperature Range

  • -25° to 60° C (-13° to 140° F)

Applications

  • Chemical Industry
  • Food Industry
  • Oil & Gas Applications
  • Petrochemical
  • Power
  • Refining

Approvals & Certifications

  • ATEX Ex db IIC T4 to T6, Flameproof
  • CE
  • CSA
  • Ex II 2 GD, II 3 GD
  • IEC Ex: Ex db IIC T4 & T6 Gb
  • LVD 2014/35/EU
  • PED 97/23/EC

BSP Connection

  • 1/4” BSPT Female

Cable Entry

  • 3/4” NPT Female
  • Cable Gland & Back Nut: M20
  • M20 x 1.5

Conduit Connection

  • 3/4” Conduit

Electrical - Free Leads

  • 14 AWG, 2.5 mm²

Electrical Connectors

  • Terminal Block

Electrical Contacts

  • Gold Alloy Contacts for Low Voltage Switching
  • Gold-Plated Silver

Electrical Rating

  • CSA & IEC: 1 A at 125 Vac
  • CSA: 1 A at 30 Vac/dc
  • CSA: 100 mA at 30 Vdc
  • CSA: 2 A at 30 Vdc
  • CSA: 5 A at 110/250 Vac
  • CSA: 5 A at 30 Vdc
  • IEC 947-5-1 / EN 60947-5-1: 0.22 / 0.1 A at 125/250 Vdc
  • IEC 947-5-1 / EN 60947-5-1: 0.3 A at 120 Vac
  • IEC 947-5-1 / EN 60947-5-1: 0.6 / 0.3 A at 120/240 Vac

Enclosure Finish

  • Light Gray Epoxy Resin Paint

Enclosure, Body Material

  • Flameproof: Die Cast Aluminum-silicon Alloy
  • Flameproof: Sand Cast in Grey Iron
  • Weatherproof & Exn: Austenitic Stainless Steel
  • Weatherproof & Exn: Die Cast Zinc Alloy

Environmental Protection

  • Flameproof Ex d
  • IP66
  • NEMA 4
  • NEMA 4X
  • Weatherproof

Materials of Construction

  • Mounting Bracket: Stainless Steel

Mounting

  • Stainless Steel 2” Pipe Mounting Bracket

Mounting Position

  • Vertical

NPT Connection

  • 1/4”-18 Female NPT

Operating Pressure

  • psia: 0 to 45 (kPa: 0 to 300, bar: 0 to 3) - Max.

Process Temperature

  • 0° to 60° C (32° to 140° F) - Max.

Repeatability

  • Set Point Repeatability: ± 1 % of Span at 20° C (68° F) Ambient

Seat / Seal Material

  • Seal: PTFE

Service

  • Oxygen Service

Set Point - Decreasing

  • kPa: 0 to 100
  • mbar: 0 to 1,000
  • psi: 0 to 14.5

Set Point - Increasing

  • kPa: 0 to 100
  • mbar: 0 to 1,000
  • psi: 0 to 14.5

Static Pressure

  • psia: 0 to 45 (kPa: 0 to 300, bar: 0 to 3)

Storage Temperature

  • -25° to 60° C (-13° to 140° F)

Switch Type

  • DPDT Hermetically Sealed & Snap-Action Microswitch
  • SPDT Hermetically Sealed & Snap-Action Microswitch

System Pressure

  • bar: 3
  • kPa: 300
  • psi: 43.5

Voltage

  • Impulse to Withstand Voltage Across Contacts: 0.5 kV
  • Impulse to Withstand Voltage Across Contacts: 0.8 kV
  • Insulation Voltage: 125 V
  • Insulation Voltage: 250 V
  • Withstand Voltage: 1.2 kV - Micro Switch
  • Withstand Voltage: 2 kV between Live Parts & Earth/Ground
  • Withstand Voltage: 500 V between Open Contacts

Wetted Materials

  • 316 Stainless Steel

  • Oil & Gas
  • Chemical
  • Petrochemical
  • Refining
  • Power
  • Food Industry

Documentation

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