Square D 3G-OTH-721937 — Technical Specifications

Name: Square D 3G-OTH-721937 Load Center: 100 A Amps, 120/240V AC, 20 Spaces, 22 kA, 4 Max. No. of Tandem Breakers, Indoor (MPN QO120M100PC). Key specifications — Voltage: 120/240V AC; Short Circuit Current Rating: 22 kA; Included Enclosure Cover: Combination Flush/Surface Cover; Phase: 1; Main Circuit Breaker or Main Lug: Main Circuit Breaker; Location: Indoor.
Brand: Square D

The Square D QO120M100PC is a 100 A, 1-phase, 120/240V AC main-breaker load center with 20 spaces and a 22 kA short-circuit current rating. Designed for indoor use, it includes a combination flush/surface cover and supports up to 4 tandem breakers. This convertible, plug-on neutral panel is part of the Square D QO series, an authorized brand we supply across 14 industrial departments — with specialist depth in electrical controls.

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Technical Specifications

Parameter	Value
AC	120/240V
Type	22 kA, Indoor
Phase	1
Spaces	20
Voltage	120/240V AC
Location	Indoor
Included Enclosure Cover	Combination Flush/Surface Cover
Manufacturer Part Number	QO120M100PC
Max. No. Of Tandem Breakers	4
Short Circuit Current Rating	22 kA
Main Circuit Breaker Or Main Lug	Main Circuit Breaker