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QO® and Homeline®
Load Centers

Rainproof—Dimensions, Knockouts, Bolt-on Hubs

Class 1130, 1170 / Refer to Catalog 1100CT0501

 

 

Table 1.48:

Enclosure Dimensions

Dimensions
Box No.	W		H		D
	in.	mm	in.	mm	in.	mm
1NM	6.52	166	8.79	223	3.90	99
1Ra	4.88	124	9.38	238	4.00	102
2R	8.88	226	12.65	321	4.27	108
3R	14.75	375	18.92	481	4.52	115
4R	14.75	375	22.06	560	4.52	115
5R	14.75	375	26.04	661	4.52	115
6R	14.75	375	29.86	758	4.52	115
7R	14.75	375	33.78	858	4.52	115
8R	14.75	375	37.98	965	4.52	115
9R	4.56	116	6.50	165	3.88	99
10R	6.92	176	13.18	335	4.12	105
11R	7.56	192	23.24	590	4.75	121
12R	9.62	244	26.24	666	5.50	140
13R	6.92	176	16.18	411	4.12	105
14R	14.75	375	39.37	1000	4.52	115
15R	8.88	226	14.80	376	4.27	108
16R	8.55	217	24.75	629	4.16	106
a HOME250SPA and QO260NATR top endwall has no hub opening.

 

Table 1.49:

Knockout Information

Knockouts
Symbol	A	B	C	D	E	F	G	H
Conduit Size	1/2 in.	3/4 in.	1 in.	1-1/4 in.	1-1/2 in.	2 in.	2-1/2 in.	3 in.

 

Bolt-On Hubs

Square D equipment with “R’’ or “RB’’ suffix, designated NEMA 3R rainproof construction, utilizes bolt-on hubs listed below. “RB’’ devices will accept 3/4" through 2-1/2" bolt-on hubs without the use of reducers. Off-center conduit thread openings and elongated mounting holes provide quick and easy adjustment to eliminate costly conduit offsets and bends. Catalog suffix “R’’ devices require 3" through 4" field cut opening. Hubs are suitable for use with conduit having ANSI standard taper pipe thread.

 

Table 1.50:

Bolt-On Hubs UL Listed for “RB” Devicesb

Conduit Size	3/4 in.	1 in.	1-1/4 in.	1-1/2 in.	2 in.	2-1/2 in.
Hub Cat. No.	B075	B100	B125	B150	B200	B250
$ Price	22.20	22.20	22.20	22.20	40.90	68.00

b	Closing cap (Cat. No. BCAP) is provided factory-installed on each device having “RB’’ suffix. Price if ordered separately; $2.50

 

 

Table 1.51:

Bolt-On Hubs UL Listed for Mounting in Field-Cut Opening

Conduit Size	3 in.	3-1/2 in.	4 in.	Designed for mounting in field cut opening. Includes gasket and four mounting bolts and nuts.
Hub Cat. No.	B300	B350	B400
$ Price	124.00	200.00	245.00

 

 

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