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A-Series Miniature Watertight Pressure Switch
Brand: Ashcroft Inc
Features
- 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
Brand
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