Authorized PowerStream Technology Distributor we stock hundreds of PowerStream Uninterruptible Power Supplies at discount prices. PowerStream UPS Power Supplies can be connected to you own independent battery to keep you system running even when the power goes out. With a PowerStream UPS it is easy to change the battery to fit the amount of backup time you need in case of a power outage. They are reliable UPS power supplies at a very competitive price. With a din rail mount PowerStream UPS power supply it can be mounted quickly and easily in a control cabinet directly on the din rail. This makes it easy to install and easy to move. With these UPS power supplies you can set the battery on the bottom of the cabinet and wire it to the UPS so you can use a high amp hour battery for longer backup time which is why you need a UPS. See our selection of UPS Power Supplies.