Square D 3G-OTH-772232 — Technical Specifications

Name: Square D 3G-OTH-772232 Panelboard Interior: 30 Spaces, 400 A Amps, Aluminum, QHB/QOB/QOB-VH, 45 in Ht, 10 7/16 in Wd (MPN NQ30L4). Key specifications — Bus Material: Aluminum; Circuit Breaker Series: QOB-VH.
Brand: Square D

The Square D NQ Main Lug, Convertible Panel Interiors (MPN NQ30L4) is a 30-space, 400 A panelboard interior with an aluminum bus, measuring 45 in Ht by 10 7/16 in Wd. It accepts QHB, QOB, and QOB-VH circuit breakers, supporting flexible branch-circuit configurations in commercial and industrial power distribution.

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Technical Specifications

Parameter	Value
Ht	45 in
Wd	10 7/16 in
Amps	400 A
Type	Aluminum, QHB/QOB/QOB-VH
Bus Material	Aluminum
Circuit Breaker Series	QOB-VH
Manufacturer Part Number	NQ30L4