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P-Series Pressure Switch
Brand: ASCOASCO P-Series pressure switches consist of an open frame or enclosure protected switch unit and a transducer unit.
They can be ordered separately for cus-tomer stocking and/or field assembly or as a complete factory-assembled unit.
Features- Set point repeatability, +1% of operating range.
- All wiring terminals, adjustments and visual scales are accessible from the front of the switch.
- Choice of open frame type, general purpose or watertight enclosure.
- Choice of fixed, limited-adjustable or full-range adjustable deadband.
- Choice of single or two-stage units.
- Compact size.
- Mounts in any position.
- Rugged and vibration resistant; e.g., for compressors.
- Visual adjustment scales in psig and bars.
- Wide selection of transducer wetted materials suitable for air, water, oil or corrosive fluids.
- Mix and match switch and transducer components for increased stock flexibility or to change pressure ranges in field.
Specifications
Brand
Adjustable Set Point Range
- psig: 0 to 6,000
Adjustment Type
- Factory Set (Pre-Set)
- Field Adjustable
Ambient Temperature Range
- -20° to 50° C (-4° to 122° F)
Approvals & Certifications
- CSA
- FM
- UL
Deadband, Approximate
- bar: 0.003 to 44.81
- kPa: 0.34 to 4,481
- psig: 0.05 to 650
Diaphragm Material
- Buna-N
- Ethylene Propylene (EPR)
- Fluorosilicone
- Neoprene
- Stainless Steel
- Viton
Electrical Connectors
- Internal Terminal Strip
Electrical Contacts
- Gold
Electrical Rating
- 1/2 A at 125 Vdc
- 1/4 A at 250 Vdc
- 1/4 hp at 250 Vac
- 1/8 hp at 125 Vac
- 10 A at 250 Vac
- 15 A at 125 Vac
Enclosure, Body Material
- None
- Stainless Steel
Environmental Protection
- General-purpose
- Open Frame
- Watertight
Manual Reset
- Fixed Reset
- Full Range Reset
Media
- Air
- Gas
- Oil
- Water
NPT Connection
- 1/2” NPT Female
- 1/4” NPT Female
Process Connection Material
- 316 Stainless Steel
- Aluminum
- Brass
- Polyester Nylon
Proof Pressure
- bar: 34.4 to 620.5
- kPa: 344.7 to 62,052
- psig: 50 to 9,000
Set Point - Decreasing
- bar: 0 to 413.68
- kPa: 0 to 41,368
- psig: 0 to 6,000
Set Point - Increasing
- bar: 0 to 413.68
- kPa: 0 to 41,368
- psig: 0 to 6,000
Switch Type
- SPDT
System Pressure
- bar: 0 to 620.5
- kPa: 0 to 62,052
- psig: 0 to 9,000