A9-1 Snap-Action Pressure Switch Dwyer A9 Series

Mini  Snap-Action Pressure Switch Dwyer A9  Series

A9-1 Snap-Action Pressure Switch Dwyer A9 Series   

• Series A9 Pressure Switches are designed for controlling pressure with higher current capacity.
• These switches are used widely in steam cleaners, steam irons, and other pressure control systems.
• It provides SPDT contact and Series A9 Pressure Switches utilize high-quality miniature snap-action switches.
• The switch is diaphragm operated, boasting a high temperature rating and compact size.                      

 

Models & Ordering:

Model Number	Description
A9-1	Pressure switch, range 2.9-8.7 psig (0.2-0.6 bar), deadband 2.9 ±1.5 psig (0.2 ±0.1 bar), max. pressure 43.5 psig (3.0 bar), temperature limit 185°F (85°C), silicone diaphragm.
A9-2	Pressure switch, range 7.3-17.4 psig (0.5-1.5 bar), deadband 2.9 ±1.5 psig (0.2 ±0.1 bar), max. pressure 58.0 psig (4.0 bar), temperature limit 257°F (125°C), stainless steel diaphragm.
A9-3	Pressure switch, range 14.5-36.3 psig (1.2-2.5 bar), deadband 2.9 ±1.5 psig (0.2 ±0.1 bar), max. pressure 72.5 psig (5.0 bar), temperature limit 257°F (125°C), stainless steel diaphragm.
A9-4	Pressure switch, range 21.8-58 psig (1.5-4.0 bar), deadband 3.6 ±2.2 psig (0.25 ±0.1 bar), max. pressure 87.0 psig (6.0 bar), temperature limit 257°F (125°C), stainless steel diaphragm.
A9-5	Pressure switch, range 29-87 psig (3.0-7.0 bar), deadband 5.1 ±2.9 psig (0.35 ±0.2 bar), max. pressure 116.0 psig (8.0 bar), temperature limit 257°F (125°C), stainless steel diaphragm.
A9-6	Pressure switch, range 58-130.5 psig (5.0-9.0 bar), deadband 8.7 ±2.9 psig (0.6 ±0.2 bar), max. pressure 145.0 psig (10.0 bar), temperature limit 257°F (125°C), stainless steel diaphragm.

 

Specifications:

• Service:Non-hazardous gas, liquid, or steam.

• Wetted Materials:Connection: Copper, Diaphragm: Silicone or Stainless Steel.

• Temperature Limits:See Ordering page.

• Pressure Limit:See Ordering page.

• Repeatability:±5%.

• Switch Type:SPDT.

• Electrical Ratings:21A @ 125/250 VAC.

• Electrical Connections:1/4" (6.35 mm) male quick connect.

• Process Connection:1/8" male NPT.

• Weight:2.6 oz (75 g).

• Deadband:See Ordering page.