Page 7-7 Download PDF
Home Online Catalog Products Tools and Resources Help

Square D > On-line Catalog > Products > Miniature and Molded Case Circuit Breakers > Selection Information: Molded Case Circuit Breakers	Search

Digest 174 Quick Page Locator Enter a page number from our paper catalog to go directly to that page in our online catalog. Example: 5 - 3

Section - Page -

Selection Information

Molded Case Circuit Breakers

Class 600, 612, 800

			600 A L-Frame			PowerPact 800 A M-Frame		PowerPact 1200 A P-Frame				1000 A M-Frame
Circuit Breaker Type			LX	LXI	LE	MG	MJ	PG	PJ	PK	PL	MA	MH	MX	ME
Number of Poles			3	3	3	2, 3	2, 3	2, 3, 4	2, 3, 4	2, 3, 4	2, 3, 4	2, 3	2, 3	3	3
Current Range			100–600	100–600	100–600	300–800	300–800	100–1200	100–1200	100–1200	100–1200	300–1200	300–1200	450–800	450–800
Interrupting Ratings
UL/CSA/NOM Rating (kA RMS) (50/60 Hzb)		240 Vac	100	200	100	65	100	65	100	65	125	42	65	65	65
		480Y/277 Vac	65	200	65	35	65	35	65	50	100	30	65	65	65
		480 Vac	65	200	65	35	65	35	65	50	100	30	65	65	65
		600Y/347 Vac	35	100	35	18	25	18	25	50	25	22	25	25	25
		600 Vac	35	100	35	18	25	18	25	50	25	22	25	25	25
DC Ratings		250 Vdc	—	—	—	—	—	—	—	—	—	14	50	14	14
		500 Vdca	—	—	—	—	—	—	—	—	—	—	20	—	—
IEC (kA RMS) Icu/lcsc		240 Vac	—	—	—	50/25	65/35	50/25	65/35	50/25	125/65	—	—	—	—
		415 Vac	65/65f	—	65/65f	35/20	50/25	35/20	50/25	50/25	85/45	30/30	65/33	65/33	65/33
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	X	X	X	X
	HACR (2P, 3P)		—	—	—	X	X	X	X	X	X	X	X