This listing is for a NEW Pilz PU3Z safety control power supply and safety power monitoring unit. The PU3Z is designed to supply and supervise control power for Pilz safety systems and industrial control equipment. In addition to providing control power, this unit monitors incoming supply conditions, detects voltage and phase faults, and enables or disables downstream safety circuits based on safe electrical conditions. It is commonly installed in industrial control panels and machine safety systems as part of a safety‑related power supervision architecture.