Square D 3G-OTH-772289 — Technical Specifications

Name: Square D 3G-OTH-772289 Panelboard Interior: 42 Spaces, 400 A Amps, Copper, QHB/QOB/QOB-VH, 45 in Ht, 10 7/16 in Wd (MPN NQ442L4C). Key specifications — Bus Material: Copper; Circuit Breaker Series: QOB-VH.
Brand: Square D

The Square D NQ Main Lug, Convertible Panel Interiors (MPN NQ442L4C) is a 42-space, 400 A copper-bus panelboard interior with a 45-inch height and 10 7/16-inch width, designed for QHB/QOB/QOB-VH circuit breakers. 3G Electric interprets your demand for this OEM component, sourcing it across 14 industrial departments — with specialist depth in electrical controls as an authorised distributor for Square D and brands like Schneider, ABB, and Siemens — to deliver the right answer with accountable support.

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Technical Specifications

Parameter	Value
Ht	45 in
Wd	10 7/16 in
Amps	400 A
Type	Copper, QHB/QOB/QOB-VH
Bus Material	Copper
Circuit Breaker Series	QOB-VH
Manufacturer Part Number	NQ442L4C