nVent CZ61 / CZ62 — Rack-Based Coolant Distribution Units (AC / DC)

Specifications

Overview

The nVent CZ61 and CZ62 are rack-based coolant distribution units that mount in the rack itself rather than at the end of a row. The CZ61 takes AC power and the CZ62 takes DC power, so the pair covers both the conventional AC rack feed and the DC bus architectures that high-density AI racks increasingly use.

Both are part of nVent's 2026 liquid cooling portfolio and are managed by a single intelligent common control platform shared with the larger CX121 row-based CDU, which simplifies operation in a hall that mixes rack-level and row-level CDUs. nVent also supplies the surrounding infrastructure: rack manifolds, the wall-of-cool distribution unit and RDHx rear-door heat exchangers.

Key Benefits

AC (CZ61) and DC (CZ62) variants match whichever rack feed the facility provides. In-rack form factor suits rack-at-a-time liquid cooling rollouts. One control platform across rack and row CDUs reduces operational complexity. Full nVent ecosystem covers manifolds and rear-door heat exchangers.

Applications

Rack-level liquid cooling in AI and HPC halls, DC-bus racks in next-generation datacenters, incremental liquid cooling rollouts, and sites standardising on a single CDU control system.

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