A-Series Miniature Watertight Pressure Switch

Brand: Ashcroft Inc
Does not ship to Virginia, United States

Specifications
  • Compact size
  • 316 stainless steel construction
  • Pressure ranges from vacuum to psi 15,000 (kPa: 103,400, bar: 1,034)
  • Factory set or field adjustable setpoints
  • Wide operating temperature range -40° to 100° C (-40° to 212° F)
  • Precision snap-acting micro switch
  • SPDT or DPDT switching
  • UL, CSA listed models
  • CE and ROHS compliant
  • CRN models available up to psi 10,000 (kPa: 68,950, bar: 689.5)
  • SIL 3 capable

Specifications

Switch Type

  • DPDT
  • Micro Switch
  • SPDT

Name Plate, Tag Material

  • Stainless Steel

Adjustment Type

  • Set Point Adjustment

Diaphragm Material

  • 316L Stainless Steel

Electrical Connectors

  • 1/2” NPT Male Conduit & Jacketed Cable with 18 AWG Wires
  • 1/2” NPT Conduit Connector with 18 AWG Wire Leads
  • Hirschmann Micro-(DIN Connector 43650 Form C)
  • M20 x 1.5 Conduit Connection & Jacketed Cable with 18 AWG Wires
  • Spade Terminal 4-0.187 Male Terminals

Electrical Rating

  • 2 A at 30 Vdc
  • 3 A at 120 Vac
  • 5 A at 120 Vac
  • General-purpose: 2 A at 30 Vdc
  • General-purpose: 3 A at 125 Vac
  • Gold Contact: 0.1 A at 125 Vac
  • Gold Contact: 0.1 A at 30 Vdc
  • Higher Current Gold Contacts: 0.5 A at 28 Vdc Inductive
  • Higher Current Gold Contacts: 1 A at 125 Vac
  • Higher Current Gold Contacts: 1 A at 28 Vdc Resistive
  • Higher Current: 3 A at 28 Vdc Inductive
  • Higher Current: 5 A at 125 Vac
  • Higher Current: 5 A at 250 Vac
  • Higher Current: 5 A at 28 Vdc Resistive

Approvals & Certifications

  • SIL 3
  • Positive Material Identification
  • CE
  • CRN: 14836.5C
  • CSA: 2454057 (LR55528)
  • RoHS
  • UL: E34743

Repeatability

  • ± 2 % of Range

Tri-Clamp Connection

  • 0.75” Tri-Clamp (Includes 3A Approval)
  • 1-1/2” Tri-Clover (Includes 3A Approval)
  • 2” Tri-Clover (Includes 3-A Approval)

NPT Connection

  • 1/2” NPT Female
  • 1/2” NPT Male
  • 1/4” NPT Female
  • 1/4” NPT Male
  • 1/8” NPT Female
  • 1/8” NPT Male

Piston Material

  • 316 Stainless Steel
  • Stainless Steel with Viton

Set Point - Decreasing

  • bar: -1.034 to 1,034
  • kPa: -103.4 to 103,400
  • psi: -15 to 15,000

Environmental Protection

  • IP67
  • NEMA 6

Electrical Contacts

  • Normally Closed
  • Normally Open

Pressure Type

  • Vacuum

O-Ring Material

  • Buna
  • HNBR
  • Viton

Set Point - Increasing

  • bar: -1.034 to 1,034
  • kPa: -103.4 to 103,400
  • psi: -15 to 15,000

Vibration

  • Passed MIL-STD-202 G

Operating Temperature

  • -40° to 100° C (-40° to 212° F)

SAE Connection

  • 7/16”-20 SAE Female
  • 7/16”-20 SAE Male
  • 9/16”-18 SAE Female

Accuracy

  • 2 % of Nominal Range

Enclosure, Body Material

  • 316 Stainless Steel
  • 316L Stainless Steel

BSP Connection

  • G 1/4” Female
  • G 1/4” Male

Shock

  • 75 G, 10 milliseconds 3 Axis

  • Industrial Market: Heavy Vehicle Hydraulic Braking
  • Industrial Market: Specialized OEM Equipment
  • Medical & Life Sciences Market: Autoclaves & Sterilizers
  • Chemical & Petrochemical
  • Offshore Oil Rigs
  • Pulp & Paper
  • Water & Wastewater Pressure Control
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