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A-Series Miniature Explosion-Proof Pressure Switch
Brand: Ashcroft Inc
The APS and APA pressure switch have NEMA 6, IP 67 Rated 316 stainless steel housing and process connections.
The APS has a factory fixed setpoint which cannot be changed in the field.
The APA is field adjustable and can easily be adjusted by following the instructions in the diaphragm above.
Features- Compact size
- 316 stainless steel construction
- Pressure ranges from vacuum to psi 15,000 (kPa: 103,400, bar: 1,034)
- Field adjustable setpoint or factory set only
- Wide operating temperature range -40° to 89° C (-40° to 192.2° F) maximum
- Hermetically sealed micro-switch
- Precision snap-acting micro switch element
- SPDT or DPDT switching
- CSA listed
- UL listed
- FM approved
- ATEX & IECEx
- SIL 3 capable
- CRN
- Dual seal rated
- CE and ROHS compliant
Specifications
Brand
Approvals & Certifications
- SIL 3
- Positive Material Identification
- 13-ATEX-1123X
- CE
- CRN: 14836.5C
- CSA (C,US): 2454057 (LR55528)
- FM
- IEC
- RoHS
- SIRA
- UL: E34743
Switch Type
- DPDT
- Micro Switch
- SPDT
Electrical Rating
- 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 Vac/dc Resistive
SAE Connection
- 7/16”-20 SAE Female
- 7/16”-20 SAE Male
- 9/16”-18 SAE Female
Piston O-Ring
- Buna-N
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
Vibration
- Passed MIL-STD-202 G
Enclosure, Body Material
- 316 Stainless Steel
- 316L Stainless Steel
Name Plate, Tag Material
- Stainless Steel
System Pressure
- bar: -1.034 to 103.4
- kPa: -103.4 to 103,400
- psi: -15 to 15,000
Environmental Protection
- Explosion-proof
- IP66
- IP67
- NEMA 4X
- NEMA 7
- NEMA 9
Adjustment Type
- Set Point Adjustment
Set Point - Increasing
- bar: -1.034 to 1,034
- kPa: -103.4 to 103,400
- psi: -15 to 15,000
Shock
- 75 G, 10 milliseconds 3 Axis
Accuracy
- 2 % of Nominal Range
O-Ring Material
- Buna
- HNBR
- Viton
Electrical Contacts
- Normally Closed
- Normally Open
Operating Temperature
- -40° to 100° C (-40° to 212° F)
Diaphragm Material
- 316L Stainless Steel
Set Point - Decreasing
- bar: -1.034 to 1,034
- kPa: -103.4 to 103,400
- psi: -15 to 15,000
Pressure Type
- Gauge
- Vacuum
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)
Piston Material
- 316 Stainless Steel
- Stainless Steel with Viton
BSP Connection
- G 1/4” Female
- G 1/4” Male
Electrical Connectors
- 1/2” NPT Male Conduit Connection with 18 AWG Wires
- M20 x 1.5 Male Conduit Connection
Repeatability
- ± 2 % of Range
- Industrial Market: Pumps, Turbines & Compressors
- Industrial Market: Specialized OEM Equipment
- Offshore Oil Rigs
- Chemical & Petrochemical
- Gas Transmission & Distribution Systems
- Oil & Gas Production Sites
- Oil Pipelines
- Refineries