The TVA / TVF Vacuum Switch from Anfield Sensors is a compact, high-performance vacuum switch designed for reliable operation in demanding industrial and mobile applications. Available in both field-adjustable (TVA) and factory preset (TVF) models, it provides dependable vacuum monitoring across a 7–30 inHg (237–1016 mbar) adjustment range for pneumatic, water, and low-pressure hydraulic systems.

Featuring a durable snap-action microswitch and an easily accessible sealed adjustment mechanism, the TVA / TVF delivers accurate, repeatable switching performance while maintaining high ingress protection for harsh operating environments. With a robust brass housing, optional stainless steel construction, WRAS-approved EPDM diaphragm options, and a maximum overpressure rating of 350 psi (25 bar), it is built to provide long service life and dependable performance.

The modular design offers a wide variety of electrical connections, pressure ports, diaphragm materials, and housing configurations, allowing the switch to be tailored to specific application requirements. Ideal for industrial automation, off-highway vehicles, safety systems, and pick-and-place machinery, the TVA / TVF delivers reliable vacuum sensing where precision and durability are essential.