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Circuit Breakers

For I-Line® Panelboards and Switchboards

Class 660, 665, 670, 830

Table 9.121:

L-frame—400 A, I-Line® LA/LH MC High Magnetic Withstand Circuit Breaker For Mission Critical Loads

Ampere Rating	AC Magnetic Level Factory Set b	Standard Interrupting		High Interrupting		Terminal Wire Range
		Catalog Number	$ Price	Catalog Number	$ Price
3-pole, 480 Vac, LA/LH MC Circuit Breaker
200	4000	LA34200MC	3714.	LH34200MC	5847.	AL250LA one #4 AWG–350 kcmil
225	4500	LA34225MC	3714.	LH34225MC	5847.
250	5000	LA34250MC	3787.	LH34250MC	5921.
400	8000	LA34400MC	4627.	LH34400MC	6761.	AL400LA one #1 AWG–600 kcmil or two #1 AWG–250 kcmil

Table 9.122:

L-frame—400 A, Thermal-magnetic (600 Vac)

Ampere Rating	AC Magnetic Trip Settings		Standard Interrupting		High Interrupting		Terminal Wire Range
	Low	High	Catalog Number	$ Price	Catalog Number	$ Price
2-pole, 600 Vac, 250 Vdca
125 150 175 200 225 250	625  750  875 1000 1125 1250	1250 1500 1750 2000 2250 2500	LA26125( ) LA26150( ) LA26175( ) LA26200( ) LA26225( ) LA26250( )	2702.	LH26125( ) LH26150( ) LH26175( ) LH26200( ) LH26225( ) LH26250( )	4508.	AL400LA one #1 AWG–600 kcmil or two #1 AWG–250 kcmil
300 350 400	1500 1750 2000	3000 3500 4000	LA26300( ) LA26350( ) LA26400( )		LH26300( ) LH26350( ) LH26400( )
3-pole, 600 Vac, 250 Vdc
125 150 175 200 225 250	625  750  875 1000 1125 1250	1250 1500 1750 2000 2250 2500	LA36125 LA36150 LA36175 LA36200 LA36225 LA36250	3296.	LH36125 LH36150 LH36175 LH36200 LH36225 LH36250	5430.	AL400LA one #1 AWG–600 kcmil or two #1 AWG–250 kcmil
300 350 400	1500 1750 2000	3000 3500 4000	LA36300 LA36350 LA36400		LH36300 LH36350 LH36400

Table 9.123:

L-frame—600 A, Thermal-magnetic (600 Vac)

Ampere Rating	AC Magnetic Trip Settings		Extra High Interrupting		Current Limiting		Terminal Wire Range
	Low	High	Catalog Number	$ Price	Catalog Number	$ Price
2-pole, 600 Vaca
300 350 400	1500 1750 2000	3200 3200 3200	LC26300( ) LC26350( ) LC26400( )	5541.	LI26300( ) LI26350( ) LI26400( )	6375.	AL600LI5 two #4/0 AWG–500 kcmil
450 500 600	2250 2500 3000	4200 4200 4200	LC26450( ) LC26500( ) LC26600( )	5794.	LI26450( ) LI26500( ) LI26600( )	9299.
3-pole, 600 Vac
300 350 400	1500 1750 2000	3200 3200 3200	LC36300 LC36350 LC36400	6156.	LI36300 LI36350 LI36400	7115.	AL600LI5 two #4/0 AWG–500 kcmil
450 500 600	2250 2500 3000	4200 4200 4200	LC36450 LC36500 LC36600	6438.	LI36450 LI36500 LI36600	10332.

a	2-pole circuit breaker catalog numbers are completed by adding required phase connection letters as suffix to catalog number. See 9-23.

b	AC magnetic setting tolerances are +0 -25% from maximum value shown.

 

Table 9.124:

Interrupting Ratings (kA)

	LA	LH	LC	LI
240 V	42	65	100	200
480 V	30	35	65	200
600 V	22	25	35	100

 

 

 

 

DE2

Discount Schedule

Modified 10/27/08