Square D 3G-OTH-621977 — Technical Specifications

Name: Square D 3G-OTH-621977 Panelboard Cover: 74 in Lg, 48R540, 1, Door, Vented, 400 A Amps, Steel, 20 in Wd, Flush Mounting (MPN NC74VS). Key specifications — attr196460: Flush; attr196457: Steel; attr196449: 48R540; attr196450: 1; attr196451: Door; attr196452: Vented.
Brand: Square D

The Square D NC74VS is a 74-inch-long, vented steel door cover for NQ and NF panelboards, rated 400 A and 20 inches wide with flush mounting. This genuine Square D component ensures proper enclosure and ventilation for compatible panelboard installations.

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Technical Specifications

Parameter	Value
Wd	20 in
Amps	400 A
Type	48R540, 1, Door, Vented, Steel, Flush Mounting
Manufacturer Part Number	NC74VS