Power supply unit type ZA-230UPS
Power supply unit type ZA-230UPS is an electrical device designed for use in underground mining coal face pits in non-explosive hazard conditions or on the ground. Power supply unit type ZA-230UPS is designed for powering electrical devices in 230V AC circuits. Power supply provides backup power (no longer than for half hour) when utility power fails. The device is equipped with power protection against short-circuits, overloads and low insulation resistance.