A4-4 | Differential pressure switch | ±16 psi (1.1 bar) repeatability | set point (increasing) 35-160 psid (2.4-11.0 bar) | set point (decreasing) 20-80 psid (1.4-5.5 bar). | Dwyer
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A4-4 | Differential pressure switch | ±16 psi (1.1 bar) repeatability | set point (increasing) 35-160 psid (2.4-11.0 bar) | set point (decreasing) 20-80 psid (1.4-5.5 bar). | Dwyer

Differential pressure switch, ±16 psi (1.1 bar) repeatability, set point (increasing) 35-160 psid (2.4-11.0 bar), set point (decreasing) 20-80 psid (1.4-5.5 bar).

Brand: DwyerSKU: A4-4
Dwyer | A4-4
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Overview Details for A4-4

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Differential pressure switch | ±16 psi (1.1 bar) repeatability | set point (increasing) 35-160 psid (2.4-11.0 bar) | set point (decreasing) 20-80 psid (1.4-5.5 bar).

Series A4 Differential Pressure Switch

Adjustable Set Point, High Overpressure
Rugged Series A4 Differential Pressure Switch offers field adjustments and can handle system pressures up to 6000 psig. Piston design allows mounting in any orientation. The switch is capable of carrying moderate shock and vibratory loads.

Specifications

Series
A4 Differential Pressure Switch
Category/Type
Pressure
Type
Differential Pressure
Series
A4 Differential Pressure Switch
Service
Compatible gases.
Wetted Materials
Body; piston; and fittings: anodized aluminum; spring: steel.
Temperature Limits
-65 to 225°F (-54 to 107°C).
Pressure Limits
2000 psid (138 bar).
Repeatability
See Ordering page.
Switch Type
SPDT.
Electrical Rating
AC: 3 VA; 0.25A @ 120 VAC; 5 VA; 0.25A @ 175 VDC.
Electrical Connection
24 AWG X 12" (30.5 cm) wire leads.
Process Connection
1/4" female NPT.
Mounting Orientation
Any.
Set Point Adjustment
See Ordering page.
Weight
8.5 oz (241 g).
Agency Approvals
CE.

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