Vertiv AS4C0NCWGNNXLKB 15kVA Scalable to 20kVA N+1 UPS System

Overview

The Vertiv AS4C0NCWGNNXLKB is a 15kVA online UPS scalable to 20kVA with N+1 redundancy — built for data centers, security operations centers, and enterprise infrastructure deployments where an unplanned power event cannot be an option. At 20kVA/18kW with a 3-wire (L-L-G) 208VAC input and split 208/120VAC output, this unit covers both legacy 120V loads and modern 208V high-density equipment from a single cabinet. If you're sizing power protection for a camera head-end room, NVR rack, or enterprise network closet, the AS4C0NCWGNNXLKB belongs on the shortlist.

Key Features

15kVA Scalable to 20kVA/18kW: You can commission this unit at 15kVA and scale to the full 20kVA/18kW capacity as your load grows — avoids over-investing on day one while preserving headroom for expansion. Critical for phased deployments in growing data environments.

N+1 Redundancy Architecture: N+1 configuration means one UPS module can fail or be serviced while the remaining modules continue carrying the full load without interruption. In a 24/7 surveillance or security infrastructure context, this eliminates single points of failure at the power layer — the kind of resilience that protects a facility when it matters most.

208VAC Input, 208/120VAC Output: The dual-voltage output (208V and 120V) from a single 208VAC feed lets you support mixed rack environments — 208V PDUs for servers and NVRs alongside 120V devices — without a step-down transformer. This simplifies rack power distribution in hybrid-load deployments common in integrated security and IT environments.

Up to 92% Efficiency: At 92% peak efficiency, this UPS minimizes heat generation and reduces operating costs compared to older online double-conversion designs. In a data center or server room running year-round, the efficiency delta adds up: lower cooling load and lower utility spend over the system's lifecycle.

3-Wire (L-L-G) Wiring: The L-L-G wiring configuration is standard for 208VAC commercial electrical infrastructure. This means straightforward integration into existing panel infrastructure without special transformer requirements — a practical advantage when you're retrofitting power protection into an existing facility.