Square D 3G-OTH-609491 — Technical Specifications

Name: Square D 3G-OTH-609491 Molded Case Circuit Breaker: 300 A Amps, 18kA at 600V AC, Adj, Box Lug, CBA, 3 Poles, 600V AC, MG (MPN MGL36300). Key specifications — Terminal Connection: Box Lug; Phase Connection: CBA; Max. AIR Rating: 18kA at 600V AC; Instantaneous Trip: Adjustable; Series: MG.
Brand: Square D

The Square D MGL36300 is a 3-pole M-Frame Molded Case Circuit Breaker rated for 300 A at 600 V AC with a maximum AIR rating of 18 kA at 600 V AC. It features an adjustable instantaneous trip, box lug terminals, and CBA phase connection, part of the MG series.

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Technical Specifications

Parameter	Value
AC	600V
Type	18kA at 600V AC, Adj, Box Lug, CBA, MG
Poles	3
Series	MG
Max. AIR Rating	18kA at 600V AC
Phase Connection	CBA
Instantaneous Trip	Adjustable
Terminal Connection	Box Lug
Manufacturer Part Number	MGL36300