Square D 3G-OTH-721887 — Technical Specifications

Name: Square D 3G-OTH-721887 Molded Case Circuit Breaker: 175 A Amps, 25kA at 240V AC, Fixed, Lug, BC, 2 Poles, 240V AC, QD (MPN QDA221754). Key specifications — Terminal Connection: Lug; Phase Connection: BC; Max. AIR Rating: 25kA at 240V AC; Instantaneous Trip: Fixed; Series: QD.
Brand: Square D

The Square D QDA221754 is a 175 A molded case circuit breaker for I-Line panelboards, with 2 poles, 240V AC, and a max. AIR rating of 25kA at 240V AC. It features a fixed instantaneous trip, lug terminal connection, and BC phase connection, part of the QD series.

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Technical Specifications

Parameter	Value
AC	240V
Type	25kA at 240V AC, Fixed, Lug, BC, QD
Poles	2
Series	QD
Max. AIR Rating	25kA at 240V AC
Phase Connection	BC
Instantaneous Trip	Fixed
Terminal Connection	Lug
Manufacturer Part Number	QDA221754