Square D Circuit Breaker Boxes

	Number of Spaces Number of Spaces

	Voltage Voltage

120V AC

240V AC

	Current Current

70A

100A

125A

	Environment Environment

Corrosive

Damp

Outdoor

	Environmental Rating Environmental Rating

NEMA 1

NEMA 3R

	Circuit Breaker Box Type Circuit Breaker Box Type

Secondary

Main

	Cover Closure Method Cover Closure Method

Screws

Latch

	Cover Attachment Style Cover Attachment Style

Lift Off

Hinged

	Manufacturer Series Manufacturer Series

Homeline

	Bus Bar Material Bus Bar Material

Copper

Aluminum

	Mounting Style Mounting Style

Surface

Recessed

	Breakthrough Current Breakthrough Current

	Depth Depth

	Width Width

4 7/8"

8 7/8"

14 1/4"

	Frequency Frequency

50Hz

60Hz

	Height Height

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

View catalog page

Forward

How can we improve?

13 Products

Square D Secondary Circuit Breaker Boxes

Connect these boxes to a main box—they do not have a main circuit breaker switch. They are single-phase, 3-wire, and can be mounted for top or bottom feed conduit connections. Use with Square D QO circuit breakers. Also known as load centers.

Breakthrough current is the maximum current that the circuit breaker can safely stop in the event of a short circuit.

NEMA 1 rated boxes are for indoor use.

NEMA 3R rated boxes are for outdoor use.

							Cover
Number of Spaces	Current, A	Voltage	Frequency, Hz	Breakthrough Current	Mounting Style	Bus Bar Material	Attachment Style	Closure Method	Ht.	Wd.	Dp.		Each
NEMA 1 Rated Boxes
2	70	120V AC/240V AC	60	10,000 A @ 120 V AC 10,000 A @ 240 V AC	Surface	Tin-Plated Copper	Lift Off	Screws	9 1/4"	4 7/8"	3 1/4"	0000000	000000
12	125	120V AC/240V AC	60	65,000 A @ 120 V AC 65,000 A @ 240 V AC	Surface	Tin-Plated Copper	Lift Off	Screws	17 7/8"	14 1/4"	3 3/4"	0000000	000000
NEMA 3R Rated Boxes
6	100	120V AC/240V AC	60	10,000 A @ 120 V AC 10,000 A @ 240 V AC	Surface	Tin-Plated Copper	Hinged	Latch	12 5/8"	8 7/8"	4 1/4"	0000000	00000

Square D Main Circuit Breaker Boxes

These boxes have a main circuit breaker switch and main service knockouts in the corners. They are single-phase, 3-wire, and can be mounted for top or bottom feed conduit connections. Use with Square D QO circuit breakers. Boxes are rated NEMA 1 for indoor use. Also known as load centers.

Breakthrough current is the maximum current that the circuit breaker can safely stop in the event of a short circuit.

							Cover
Number of Spaces	Current, A	Voltage	Frequency, Hz	Breakthrough Current	Mounting Style	Bus Bar Material	Attachment Style	Closure Method	Ht.	Wd.	Dp.		Each
NEMA 1 Rated Boxes
12	100	120V AC/240V AC	60	22,000 A @ 120 V AC 22,000 A @ 240 V AC	Recessed/Surface	Tin-Plated Copper	Lift Off	Screws	14 7/8"	14 1/4"	3 3/4"	0000000	0000000
20	100	120V AC/240V AC	60	22,000 A @ 120 V AC 22,000 A @ 240 V AC	Recessed/Surface	Tin-Plated Copper	Lift Off	Screws	17 7/8"	14 1/4"	3 3/4"	0000000	000000

Square D Homeline Circuit Breaker Boxes

Use these boxes with Homeline series circuit breakers and connect them to a main box—they do not have a main circuit breaker switch. They are single-phase, 3-wire, and can be mounted for top or bottom feed conduit connections. Boxes are rated NEMA 1 for indoor use. Also known as load centers.

Breakthrough current is the maximum current that the circuit breaker can safely stop in the event of a short circuit.

							Cover
Number of Spaces	Current, A	Voltage	Frequency, Hz	Breakthrough Current	Mounting Style	Bus Bar Material	Attachment Style	Closure Method	Ht.	Wd.	Dp.		Each
NEMA 1 Rated Boxes
6	100	120V AC/240V AC	50/60	10,000 A @ 120 V AC 10,000 A @ 240 V AC	Surface	Tin-Plated Aluminum	Lift Off	Screws	12 5/8"	8 7/8"	3 7/8"	0000000	000000

Square D Load-Center Circuit Breakers

Homeline Series
Number of Poles	Wd.	Current, A		Each
1	1"	15	00000000	00000
1	1"	20	00000000	00000
1	1"	20	00000000	0000
1	1"	30	00000000	0000
2	2"	20	00000000	00000
2	2"	30	00000000	00000
2	2"	40	00000000	00000