The UNO-UPS is a compact 24-Vdc uninterruptible power supply (UPS). The UNO-UPS provides standby power in the event of an ac mains power loss. The UPS is suitable for use with compact controllers, PLCs, HMIs and other low-power devices. It includes an integrated 0.8-Ah absorbed glass mat lead-acid battery. This battery operates in temperatures from -15 to 50 °C and has a life expectancy of up to five years. The battery runtime can be adjusted by a rotary dial or through remote shutdown input. The battery is mounted on the front and can be released with a screw for easy installation and maintenance.