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The TRIPP LITE EMI310-10 is a metered-input power distribution unit (PDU) designed for three-phase rack power management in enterprise and data center environments. Based on the part number and supplier classification, this is a 0U (zero rack-unit) form-factor PDU with an L21-30P input plug rated at 24 amps across three phases. It distributes conditioned power to downstream IT equipment and provides input metering so facilities and data center technicians can monitor load without guessing capacity headroom. Licensed electricians and data center infrastructure technicians are the primary installers of this unit.
This PDU is suited for high-density server rooms, network closets, and enterprise data center cabinets where three-phase power distribution is required. The 0U form factor mounts vertically inside a standard rack enclosure, preserving rack unit space for active equipment. The L21-30P twist-lock input connects to matching three-phase circuits typically sourced from a PDU or UPS upstream. It falls within the enterprise surge protection and PDU product category.
Designed as an OEM-style replacement or upgrade PDU for enterprise rack enclosures requiring three-phase L21-30P metered-input power distribution in data center and network room applications.
Installation should be performed by a licensed electrician familiar with three-phase power distribution and NEC requirements for branch circuit wiring. De-energize the upstream circuit and verify zero voltage at the source before making any connections. The L21-30P input plug must be connected to a properly rated three-phase receptacle or power whip. Confirm total connected load does not exceed the rated input amperage before energizing the unit.
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