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Overview: Bently Nevada 129478-01 is a DC power input module developed by Bently Nevada. It is half-height and needs to be installed in the designated slot on the left side of the rack.

The rack can be equipped with one or two AC or DC power supplies, and the entire rack can be powered by either power supply.

Features:
High voltage DC: Works with high voltage DC power supply, operates within a specific voltage range, and can resist voltage fluctuations.

Input voltage range: The input voltage is between 88 and 140 Vdc. DC input in this range can make the module work normally.

Over-voltage and under-voltage protection: There is no damage to undervoltage within the specified range. When overvoltage occurs, the fuse on the module automatically blows, cutting off the circuit to prevent damage to components.