Uninterruptible power supply effective power 420 w apparent power 650 va outputs 4 x iec 320 c13 inputs 1 x iec 320 c14 interfaces usb rs 232 nominal voltage 230 v bridging time 2 min output voltage 230 v battery technology lead acid protective measures power failure protection surge protection alarm function operating temperature 0 35 c case rack mountable display lcd dimensions hxwxd 43 8 x 36 4 x 4 32 cm weight 86 kg