Phoenix Contact QUINT AC UPS. The QUINT-UPS/ 1AC/ 1AC/500VA Uninterruptible power supply has IQ technology and is designed for 120 Vac/230 Vac applications. The UPS gives information on the charging state, the remaining runtime and details of the service life of the rechargeable battery modules, this increases system availability. Features and Benefits. Use anywhere in the world Easy start up Gives a pure sin curve at the output Maximum efficiency