Square D > On-line Catalog > Products > Operator Mechanisms and Disconnect Switches > Door Mounted Operating Mechanisms for Square D Circuit Breakers: Dimensions—Class 9421	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 -

Dimensions

Door Mounted Operating Mechanisms

Class 9421 / Refer to Catalog 9420CT9701

 

Table 8.50:

Shaft Cutting Dimensions

Class	Type	Shaft Length Formula		H=Standard Shaft		H=Long Shaft
				Min.	Max.	Min.	Max.
9421	LG7, LG1, LG4, LG3	L = H–2.5		5.50	10.25	5.50	20.85
			64	140	260	140	530
9421	LF1, LN1, LN3, LN4	L = H–2.88		5.50	10.44	5.50	21.00
			73	140	265	140	533
9421	LK1, LP1, LP3, LP4	L = H–3.63		6.25	11.19	6.25	21.75
			92	159	284	159	552
9421	LJ1, LJ4, LJ7	L= H–3		5.5	10.75	5.5	21.63
			76	138	273	138	543
9421	LL1, LR1, LR4	L= H–3.13		6.31	10.88	6.31	21.50
			79	160	276	160	546
9421	LM1, LT1, LT4	L= H–4.00		7.18	11.63	7.18	22.25
			102	182	295	182	565
9421	LX7, LX1, LX4	L= H–5.17		8.25	12.75	8.25	23.38
			131	210	324	210	594
9421	LW1, LW4, LW7	L= H–4.89		7.19	11.63	7.63	22.25
			124	183	295	183	565

a	Mounting depth measured from circuit breaker mounting surface (control panel) to outside of enclosure door.