PSA2200W Pressure Switch for Liquid Level Control

The PSA2200W is a weatherproof pressure switch for liquid level control, with high set-point repeatability and adjustable dead band. The set point is easily adjusted without special tools.
NEMA 4 / 4X · IP66Liquid level controlTemperature: −30 to 205°C
Features
- Diaphragm pressure element with SS316 wetted parts.
- Painted die-cast aluminium-alloy housing.
- One SPDT microswitch.
- Adjustable dead band.
- Maximum proof pressure: 500 psi.
- ½ inch detecting pipe, 0.2–5 m long.
- Selectable or fixed level-control functions.

Technical specifications
- Microswitch rating
- 20 A at 125/250 V; 5 A at 125 VDC.
- Process connections
- G1 (1 inch BSP) male; ½ inch NPT female; ¼ inch NPT female; ½ inch BSP female; ¼ inch BSP female; ½ inch PT female; ¼ inch PT female; M20 × P1.5 female.
- Conduit connections
- Female ¾ inch NPT, ½ inch NPT (standard), or M20 × P1.5.
- Dimensions
- 110 mm wide, 72 mm deep, 194.5 mm overall height. See the original drawing for mounting and connection dimensions.
Level settings and dead band
A — Select type
| Code | Actuate ON (mm) | Deactivate OFF (mm) | Dead band |
|---|---|---|---|
| E | 150 | 50 | ±5 |
| F | 200 | 50 | ±5 |
| A | 380 | 50 | ±5 |
| B | 550 | 50 | ±5 |
| C | 760 | 60 | ±5 |
Knob position D is unavailable.

B — Fixed type
| Code | Actuate ON (mm) | Deactivate OFF (mm) | Dead band |
|---|---|---|---|
| G | 60 | 40 | ±5 |
| H | 80 | 50 | ±5 |
| I | 130 | 80 | ±5 |

Mounting and installation

Install away from agitators and liquid inlets or outlets. Do not install on a pressurised tank.

Configure your PSA2200W
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