WPS COMMERCIAL DIFFERENTIAL PRESSURE SWITCH

Ideal for BAS and HVAC applications requiring precise pressure monitoring and control
Low-pressure differential switch for monitoring pressure, vacuum, and differential pressure of air and other non-combustible, non-aggressive gases
Pressure-indicating adjustment knob allows for easy field adjustments without a pressure gauge
Pressure ranges: 0.08 to 16.0 Inches of Water (20-4,000 Pascals)
Switch type: Single-Pole Double-Throw (SPDT) with 0.01A 250 VAC output
Compact size enables hassle-free installation in small spaces
CE, RoHS & REACH compliant
5-year warranty for long-term reliability

Field applications include:
- Monitoring air filters and ventilators
- Overheating protection for fan heaters
- Controlling air and fire protection flaps
- Heat exchanger protection
- Flow monitoring in ventilation ducts

SPECIFICATIONS

Housing Material	Grey colour Polyamide 6.6 plastic
Window Cover Material	Frosted Polystyrene resin
Deadband Accuracy	+/- 15% of upper and lower pressure ratings
Pressure Connection	2 x plastic pipe connection, 6.0mm (1/4″) external diameter, labelled P1 & P2
Electrical Connection	Flat plug 6.3mm x 0.8mm or push-on screw terminals with PG-11 or M20x1.5 cable strain relief
Wetted Partst	Silicone based diaphragm, tempered at 392^oF (200^oC)
Set Point Adjustment	Field adjustable knob
Contact Rating	1.0A 250VAC output, 0.1A 24VDC (low voltage version)
Number of Contacts	Single-pole double-throw (SPDT)
Maximum Operating Pressure Temperature	1.45 psi (10 kPa)
Ambient/Process Temperature	-4^oF to 185^oF (-20^oC to 85oC)
Storage Temperature	-40^oF to 185^oF (-40^oC to 85^oC)
Enclosure Rating	IP54
Approvals	CE, RoHS & REACH compliant
Typical Life	Over 10⁶ switching operations
Weight	150g with cover, 110g without cover
Mounting Position	Vertical installation with pressure connections pointing downwards