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WEFLO PRESSURE SWITCH WPS10-1, UL/FM
WPS10-1
$92.80
Sale price
$92.80
Regular price
$116.19
WEFLO PRESSURE SWITCH WPS10-1
The Weflo WPS10-1 is a UL / ULC Listed and FM Approved pressure-activated switch designed for reliable detection of waterflow conditions in automatic fire sprinkler systems. It is ideal for use in wet pipe systems with alarm check valves, dry pipe, pre-action, and deluge systems.
Key Features & Specifications
- One Set of SPDT (Single Pole Double Throw) Contacts — Provides versatile signaling for alarm or supervisory functions.
- Adjustable Pressure Range: 4–20 PSI (factory set at approximately 4–8 PSI on rising pressure).
- Approximate Differential: 3 PSI throughout the range.
- Maximum System Pressure: 300 PSI.
- Pressure Connection: ½" Male NPT.
- Contact Rating: 10A @ 125/250 VAC | 2.5A @ 30 VDC.
- Enclosure: Sturdy die-cast aluminum housing with red powder coat finish, NEMA 4 / IP66 rated for indoor and outdoor use. Tamper-resistant cover with special key provided.
- Operating Temperature: -40°C to 60°C (-40°F to 140°F).
- Conduit Entrances: Knockouts for ½" conduit.
- Approvals: UL / ULC Listed, FM Approved (additional international certifications available on select models).
Applications
The WPS10-1 activates an alarm when waterflow causes pressure to rise in the alarm line. It is also suitable for low-pressure supervisory signaling. Its robust construction and precise operation make it a trusted, cost-effective alternative to premium brands.