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.

Models & Ordering

Shipping Information

All shipping times are dependent on product availability at time of shipment.

Although we make every effort to ensure a continuous supply of our products, occasional circumstances may force us to temporarily run out of a product, or have shipping delays. Should this occur, customers will be notified soon after placement of any orders for such products and, if applicable, items will be put on backorder. For orders requiring expedited shipment, our customer service team can be contacted to confirm product availability

Model Description Usually Ships* Price Code Order
A4-1
Ships: Same Day
Price: $156.00
Differential pressure switch, ±2 psi (.14 bar) repeatability, set point (increasing) 7-13 psid (.48-.89 bar), set point (decreasing) 2-7 psid (.14-.48 bar). Same Day* $156.00 B Order
A4-2
Ships: Same Day
Price: $156.00
Differential pressure switch, ±4 psi (.28 bar) repeatability, set point (increasing) 13-25 psid (.89-1.7 bar), set point (decreasing) 5-16 psid (.34-1.1 bar). Same Day* $156.00 B Order
A4-3
Ships: Same Day
Price: $156.00
Differential pressure switch, ±8 psi (.55 bar) repeatability, set point (increasing) 25-45 psid (1.7-3.1 bar), set point (decreasing) 10-21 psid (.68-1.5 bar). Same Day* $156.00 B Order
A4-4
Ships: Same Day
Price: $156.00
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). Same Day* $156.00 B Order
A4-5
Ships: Same Day
Price: $156.00
Differential pressure switch, ±32 psi (2.2 bar) repeatability, set point (increasing) 120-250 psid (8.3-17.2 bar), set point (decreasing) 35-120 psid (2.4-8.3 bar). Same Day* $156.00 B Order

Specifications

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.

Product Literature

Manuals

Catalog Pages

Drawings

Photo Downloads

You must be logged in to view this content.
Click here to login to your account.

Product Reviews

Only registered users can write reviews. Please Sign in or create an account