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Selection Information

Miniature Circuit Breakers

Class 500, 600

		QOU Circuit Breakers				QOM1 and QOM2 Main Circuit Breakers		Multi 9™ Circuit Breakers and Supplementary Protectors												EDB Circuit Breakers
Circuit Breaker Type	Plug-on	—			—	—	—	—			—									—		—		—
	Bolt-on	—			—	QOM1-VH	QOM2-VH	—			—									EDB		EGB		EJB
	Unit Mount	QOU			QYUa	—	—	UL 489 C60N			UL1077 C60Nb			UL1077 NC100						—		—		—
Number of Poles		1	2	3	1	2	2	1	2	3	1	2	3,4	1	1	2	2	3,4	3,4	1	2,3	1	2,3	1	2,3
Current Range		10–100	10–125	10–100	10–30	50–125	100–225	0.5–35	0.5–35	0.5–35	0.5–63	1–63	1–63	20–80	50–80	20–40	50–80	10–40	20–80	15–70	15–125	15–70	15–125	15–70	15–125
Interrupting Ratings
UL/CSA Rating (kA RMS) (50/60 Hz)	120 Vac	10	10	10	—	22	22	10	—	—	10	10	10	20	5	20	5	20	5	25	25	65	65	100	100
	120/240 Vac	10	10	10	—	22	22	5	10	10	10	10	10	20	5	20	5	20	5	18	25	35	65	65	100
	240 Vacc	—	—	10	—	—	—	5	10	10	10	10	10	20	5	20	5	20	5	18	25	35	65	65	100
	277 Vac	—	—	—	5	—	—	—	—	—	5	5	5	10	—	10	—	10	—	18	18	35	35	65	65
	480Y/277 Vac	—	—	—	—	—	—	10	10	10	—	5	5	—	—	10	—	10	—	—	18	—	35	—	65
DC Ratings	48 Vdc	5</