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Circuit Breakers

For I-Line® Panelboards and Switchboards

Class 655, 735, 825

Table 9.108:

K-frame—250 A, Thermal-magnetic, Current Limiting (600 Vac)

Ampere Rating	AC Magnetic Trip Settings		Current Limiting		Terminal Wire Range
	Low	High	Catalog Number	$ Price
2-pole, 600 Vac, 250 Vdca
70  80  90 100 110 125 150 175	350  400  450  500  550  625  750  875	700  800  900 1000 1100 1250 1500 1750	— — — — KI26110( ) KI26125( ) KI26150( ) KI26175( )	— — — — 4422.  4422.  4422.  4422.	AL250KA one #4 AWG– 350 kcmil
200 225 250	1000 1125 1250	2000 2250 2500	— — —	— — —
200 225 250	1000 1125 1250	2000 2250 2500	KI26200( ) KI26225( ) KI26250( )	4422.  4422.  5136.	AL250KI one #1/0 AWG– 350 kcmil
3-pole, 600 Vac, 250 Vdc
70  80  90 100 110 125 150 175	350  400  450  500  550  625  750  875	700  800  900 1000 1100 1250 1500 1750	— — — — KI36110 KI36125 KI36150 KI36175	— — — — 5583.  5583.  5583.  5583.	AL250KA one #4 AWG– 350 kcmil
200 225 250	1000 1125 1250	2000 2250 2500	— — —	— — —
200 225 250	1000 1125 1250	2000 2250 2500	KI36200 KI36225 KI36250	5583.  5583.  6178.	AL250KI one #1/0 AWG– 350 kcmil

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

 

Table 9.109:

Interrupting Ratings (kA)

	KI
240 V	200
480 V	200
600 V	100

 

 

Accessories: Supplemental & Obsolescence Digest

 

 

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