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Selection Information

Molded Case Circuit Breaker

Class 500, 600, 800

			250 A K-Frame				PowerPact 400/600 A D-Frame			400 A L-Frame			600 A L-Frame
Circuit Breaker Type			KA	KH	KC	KI	DG	DJ	DL	Q4	LA	LH	LC	LI
Number of Poles			2, 3	2, 3	2, 3	2, 3	3, 4	3, 4	3, 4	2,3	2,3	2, 3	2, 3	2, 3
Current Range			70–250	70–250	110–250	110–250	150–600	150–600	150–600	250–400	125–400	125–400	300–600	300–600
Interrupting Ratings
UL/CSA/NOM Rating (kA RMS) (50/60 Hz)		240 Vac	42	65	100	200	65	100	150	25	42	65	100	200
		480Y/277 Vac	25	35	65	200	35	65	100	—	30	35	65	200
		480 Vac	25	35	65	200	35	65	100	—	30	35	65	200
		600Y/347 Vac	22	25	—	100	18	25	25	—	22	25	35	100
		600 Vac	22	25	—	100	18	25	25	—	22	25	35	100
DC Ratings		250 Vdc	10	50	—	—	—	—	—	—	10	50	—	—
		500 Vdca	—	20	—	—	—	—	—	—	—	20	—	—
IEC 60947-2 (kA RMS) Icu/lcsb		240 Vac	—	—	—	—	85/85	100/100	150/150	—	—	—	—	—
		415 Vac	10/2.5	10/2.5	65/65	130/65	45/45	70/70	150/150	—	20/5	20/5	65/65f	—
IEC 50/60 Hz			For additional IEC ratings, see the Supplemental Digest.							For additional IEC ratings, see the Supplemental Digest.
Special Ratings
	Fed. Specs W-C-375B/GEN		X	X	X	X	—	—	—	X	X	X	X	X
	HACR (2P, 3P)		X	X	X	—	X	X	X	—	X	X	—	—
Connections/Terminations
	Unit Mount		X	X	X	X	X	X	X	X	X	X	X	X
	I-Line®		X