With Dual Scale Field Adjustable Set Point Knob
HVAC Differential Pressure Switch which applies to controlling air and fire-protection dampers and monitoring air filters and ventilators.
Features
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Adjustment knob changes switching pressure easily with a pressure gage reducing components for application
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Low cost device makes it an excellent solution in BAS and HVAC applications requiring duct control and monitoring
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Relay contact allows simple integration with DDC or building systems
Product Applications
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Monitoring air filters and ventilators.
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Monitoring industrial cooling-air circuits.
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Overheating protection for fan heaters.
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Monitoring flows in ventilation ducts.
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Controlling air and fire-protection dampers.
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Frost protection for heat exchanges.
Specifications
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Service: Air and non-combustible, compatible gases.
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Wetted Materials:
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ADPS: Diaphragm material: Silicone; Housing material: POM; Switch body: PA 6.6; Cover: Polystyrene;
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EDPS: Diaphragm material: Silicone; Housing material: Switch body: PA 6.6; Cover: Polystyrene; Materials UL 94 V-0 rated.
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Temperature Limits: Process and ambient temperature from -4 to 185°F (-20 to 85°C).
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Storage: -40 to 185°F (-40 to 85°C).
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Pressure Limits: Max. Operating Pressure: 40" w.c. (10 kPa) for all pressure ranges.
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Switch Type: Single-pole double-throw (SPDT).
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Electrical Rating: Max. 1.5 A res./0.4 A ind./250 VAC, 50/60 Hz; Max. switching rate: 6 cycles/min.
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Electrical Connections: Push-on screw terminals. M20x1.5 with cable strain relief or optional 1/2" NPT connection.
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Process Connections: 5/16" (7.94 mm) outside diameter tubing, 1/4" (6.0 mm) inside diameter tubing.
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Enclosure Rating: NEMA 3 (IP54).
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Mounting Orientation: Vertically, with pressure connections pointing downwards.
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Mechanical Working Life: Over 106 switching operations.
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Weight: 4.4 oz (125 g).
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Agency Approvals: CE, ETL approved to UL508 and CSA C22.2#14 (EDPS only).
