What Is Switchgear?_
Switchgear serves as the central point for distributing high-voltage power from the utility feed to downstream transformers, PDUs, and rack-level equipment. It provides overcurrent protection and allows safe isolation of circuits for maintenance. In a GPU data center, switchgear must handle the high continuous loads and transient demands of dense GPU racks.
Technical Details
Switchgear typically operates at medium voltage (e.g., 12–35 kV) and includes vacuum or SF6 circuit breakers, protective relays, and metering. It is designed to meet standards such as ANSI/IEEE C37 or IEC 62271, with ratings specified by the OEM for short-circuit current and continuous current capacity. The enclosure is usually metal-clad or metal-enclosed, with busbars rated for the facility’s maximum fault current.
How Leviathan Systems Works with Switchgear
During large-scale GPU cluster deployments, the field crew coordinates with the facility team to verify switchgear breaker positions and lockout/tagout before rack power-up. We also confirm that the switchgear’s protective relay settings match the load profile of the GPU clusters, especially for NVL72 racks with high inrush currents.
Related service
GPU Rack Assembly & Rack-and-Stack →