Square D 3G-OTH-21510 — Technical Specifications

Name: Square D 3G-OTH-21510 SQUARE D Miniature Circuit Breaker: 20 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 1 Poles (MPN QO1201021). Key specifications — Phase: Single; Amps: 20 A; AC Voltage Rating: 120/240V AC; Max. AIR Rating: 10kA at 120/240V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
Brand: Square D

The SQUARE D QO Series Miniature Circuit Breaker (MPN QO1201021) is a 20 A, single-phase, plug-in type circuit breaker rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. It is designed for use with QO Load Centers and NQ Panelboards.

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Technical Specifications

Parameter	Value
AC	120/240V
Amps	20 A
Type	Single Phase, 10kA at 120/240V AC
Brand	SQUARE D
Phase	Single
Poles	1
For Use With	QO Load Centers and NQ Panelboards
Max. AIR Rating	10kA at 120/240V AC
AC Voltage Rating	120/240V AC
Manufacturer Part Number	QO1201021