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A-Series Explosion-Proof Pressure Switch
Brand: Ashcroft IncThe Ashcroft® APA and APS explosion proof miniature pressure switches are designed for pressure control within harsh applications.
The explosion-proof construction provides superior protection, while its compact design allows for easy integration into custom equipment or systems.
This model is ideal for pressure alarm, shutdown or control within hazardous areas when limited size and process compatibility are needed.
Specifications:
- Accuracy: ±2.00% full scale
- NEMA 4, 7 and 9 (IP67); 316 stainless steel
- SPDT or DPDT switching models
- Pressure ranges: vacuum to 7,500 psi
- Compact, 316 stainless steel construction
- Explosion-proof housing provides uncompromising protection
- Wide operating temperature (-40° to 89° C)
- Factory set or field adjustable setpoint
Specifications
Brand
Adjustment Type
- Factory Set (Pre-Set)
- Field Adjustable
Approvals & Certifications
- ATEX
- CE
- CRN
- CSA
- Dual Seal
- FM
- IEC Ex
- RoHS
- SIL
- UL
Burst Pressure
- bar: 655 to 3,500
- kPa: 65,500 to 350,000
- psi: 9,500 to 50,000
Deadband, Approximate
- bar: 0.07 to 2.0
- bar: 0.2 to 75
- kPa: 20 to 7,500
- kPa: 7 to 200
- psig: 1 to 30
- psig: 3 to 1,100
Diaphragm Material
- Stainless Steel
Electrical - Free Leads
- 18 AWG Wire Leads
Electrical Connectors
- 1/2” NPT
Electrical Rating
- 2 A at 30 Vdc
- 5 A at 28 Vac
- 5 A or 3 A at 120 Vac
Enclosure, Body Material
- 316L Stainless Steel
NPT Connection
- 1/4” NPT Female
- 1/4” NPT Male
- 1/8” NPT Female
Operating Temperature
- -40° to 90° C (-40° to 194° F)
Pressure Cycles
- > 1 Million
Pressure Range
- bar: 1.03 to 13.8
- bar: 7 to 500
- kPa: 103.4 to 1,379
- kPa: 700 to 50,000
- psig: 100 to 7,500
- psig: 15 to 200
Proof Pressure
- bar: 70 to 1,000
- kPa: 7,000 to 100,000
- psig: 1,000 to 15,000
Repeatability
- ± 2 % of Range
SAE Connection
- 7/16”-20 SAE Male
Set Point - Decreasing
- bar: -1 to 500
- kPa: -100 to 50,000
- psi: -15 to 7,500
Set Point - Increasing
- bar: -1 to 500
- kPa: -100 to 50,000
- psi: -15 to 7,500
Shock
- 75 G, 10 milliseconds 3 Axis
Switch Type
- DPDT: 5 A or 3 A 120 Vac, 2A @ 30 Vdc, 5 A @ 28 Vac
- SPDT: 5 A or 3 A 120 Vac, 2A @ 30 Vdc, 5 A @ 28 Vac
System Pressure
- bar: 55 to 700
- kPa: 5,500 to 70,000
- psig: 800 to 10,000
Tri-Clamp Connection
- 1-1/2” Tri-Clover
- 2” Tri-Clover
- 3/4” Tri-Clamp
VCR / VCO Connection
- VCO
- VCR
Vibration
- Passed MIL-STD-202 G
- Gas Transmission & Distribution
- Offshore Platforms, Pipelines
- Oil & Gas Drilling
- Process Applications
- Refining, Chemical, Petrochemical
