Square D Homeline 42-Space 225...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$563.36
Square D Homeline 42-Space 225A Convertible Main Lug Load Center, 1-Phase

Square D Homeline 42-Space 225A Convertible Main Lug Load Center, 1-Phase

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Model: HOM4284L225PRB

In Stock (leaves warehouse same day if ordered before 3pm ET)

$563.36
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Square D Homeline 42-Space 225A Convertible Main Lug Load Center, 1-Phase

The Square D Homeline 42-space, 225A convertible main lug load center is built for 1 phase, 3 wire residential and light commercial electrical services rated 120/240 V AC. Configured with plug-on neutral (PoN) convertible main lugs, it supports 42 spaces and 84 circuits using tandem Homeline circuit breakers, ground fault breakers, and arc fault interrupters. The enclosure carries a NEMA 3R weatherproof rating and is UL Listed under file E-6294 for indoor or outdoor installation.

Key Features

  • Spaces & Circuits: 42 spaces and 84 circuits using tandem Homeline circuit breakers for high circuit density in a compact footprint.
  • Convertible Main Lugs: 225A convertible main lugs with plug-on neutral (PoN) configuration accept a full complement of Homeline accessories.
  • Bus Rating: 225.0A rated bus current supports 120/240 V AC, 1 phase, 3 wire systems.
  • Weatherproof Enclosure: NEMA 3R weatherproof enclosure constructed of welded galvannealed steel with a baked enamel gray finish.
  • Wire Range: Accepts AWG 4...300 kcmil aluminum or AWG 4...250 kcmil copper conductors.
  • Operating Range: Rated for ambient operation from -5 °C to 40 °C.
  • Compatible Accessories: Works with the full Homeline accessory lineup, including Wiser Energy™ Smart Home Monitor for usage tracking.

Certifications & Compliance

  • UL Listed, File E-6294
  • NEMA 3R Weatherproof Enclosure
  • RoHS EU Compliant
  • Mercury Free
  • Toxic Heavy Metal Free

Technical Specifications

  • Number Of Spaces: 42
  • Number Of Tandem Circuit Breakers: 42
  • Enclosure Material: welded galvannealed steel
  • Toxic Heavy Metal Free: Yes
  • Mercury Free: Yes
  • ROHS Eur In Scope: Yes
  • Market Segmentation: Residential

Typical Applications

  • Residential Electrical Service Panels
  • Outdoor and Weatherproof Panel Installations
  • Circuit Breaker Panel Upgrades and Main Lug Conversions
  • New Construction and Renovation Wiring
  • High-Density Multi-Circuit Load Distribution

Why Square D?

Square D Homeline load centers pair a welded galvannealed steel, NEMA 3R weatherproof enclosure with UL Listed construction for dependable, code-compliant electrical distribution. The 225A convertible main lug, plug-on neutral design and full Homeline accessory compatibility make this load center a reliable choice for demanding residential and light commercial installations.

Manufacturer Resources

Product Specs

Product Type:
Load Center
Series:
Homeline
Voltage Rating:
120/240V
Amperage Rating:
225A
Listing:
UL Listed
Product Finish:
Baked Enamel Gray
Configuration:
NEMA 3R Enclosure
Product Material:
Galvannealed Steel
Department:
Electrical
Product Group:
Power Distribution
Product Subgroup:
Panelboards & Load Centers
Product Height:
39.37 in
Product Depth:
4.53 in
Country Of Origin:
United States
Product Width:
14.76 in

Square D HOM4284L225PRB – Frequently Asked Questions

1) Can the Square D HOM4284L225PRB load center be installed outdoors?
Yes. The HOM4284L225PRB enclosure is NEMA 3R weatherproof, welded galvannealed steel with a baked enamel gray finish, and UL Listed under file E-6294 for either indoor or outdoor mounting. For an exterior wall you still want the knockouts and conduit entries sealed per standard practice, but the cabinet itself is rated for the weather.
2) What does "convertible main lug" mean on this 225A Homeline panel, and can I add a main breaker later?
Convertible means the panel ships as main lug only and the interior is set up to accept a Homeline main breaker kit, so the same can serve as a sub-panel now and be converted to a service-entrance panel with a main disconnect later. As shipped, overcurrent protection has to come from upstream, which is how a main lug panel is normally fed when it sits downstream of a service disconnect.
3) How many breakers will actually fit in a Square D 42-space Homeline load center?
42 spaces, and up to 84 circuits if every space is filled with tandem (twin) Homeline breakers. All 42 spaces accept tandems, and the bus is plug-on neutral, so Homeline GFCI and AFCI breakers plug on without a pigtail to the neutral bar. Mixing full-size single and two-pole breakers simply reduces the circuit count from that 84 maximum.
4) What size service conductors do the 225A main lugs take?
The lugs accept AWG 4 up to 300 kcmil aluminum, or AWG 4 up to 250 kcmil copper. That range covers typical 200A and 225A feeder and service conductor sizing in both metals, so you can land aluminum SER or copper without an adapter lug.
5) Will a 42-space Homeline panel fit the wall space I have?
Plan on a tall, narrow footprint: 39.37 inches high, 14.76 inches wide, and 4.53 inches deep. The depth matters most on a surface mount over block or on an exterior wall, and the near 40-inch height is the dimension that usually drives where it can go between studs and above grade.
6) Is this Homeline load center right for a 120/240V single-phase service?
That is exactly what it is built for: 120/240V AC, 1-phase, 3-wire residential and light commercial service, with a 225A rated bus. It is not a three-phase panelboard, so for a 208Y/120 or 480V three-phase distribution you need a different product class entirely.
7) What is the closest alternative to the Square D Homeline HOM4284L225PRB for an outdoor main lug panel?
The Eaton CH main lug loadcenter, part CH2L, is the nearest outdoor-rated main lug option. It is rated 125A with a copper bus in a NEMA 3R enclosure, while the Homeline HOM4284L225PRB is a 225A convertible main lug panel in a NEMA 3R enclosure at 120/240V. If the service calls for 225A of bus capacity, the CH2L will not carry it; for a smaller feeder or subpanel where 125A is enough, the CH2L is the direct outdoor-rated substitute. Breakers are not interchangeable between the two - CH panels take Eaton CH breakers, the Homeline panel takes Homeline breakers.
8) Can I use the Eaton BRP24L125GW instead of the Square D HOM4284L225PRB?
Only for an indoor installation at a lower amperage. The Eaton BRP24L125GW is a 125A main lug only loadcenter with an aluminum bus in a NEMA 1 enclosure, so it is not rated for outdoor or wet locations. The Homeline HOM4284L225PRB is a 225A convertible main lug panel in a NEMA 3R weatherproof enclosure, which is why it is specified for exterior walls and meter-adjacent mounting. If the panel is going outside, the BRP24L125GW is not a substitute.
9) How does this compare to the Eaton CH or BR main lug load centers?
Capacity and enclosure are the real split. The Homeline HOM4284L225PRB is a 225A, 42-space NEMA 3R panel. The Eaton CH 125A main lug loadcenter is also NEMA 3R but with a copper bus and a 125A rating, and the Eaton BR BRP24L125GW is a 125A aluminum-bus panel in a NEMA 1 indoor enclosure. If the job needs 225A of bus or high tandem density, the Eaton 125A units will not get you there; if it is a small outdoor sub-panel, the CH is the lighter-duty option. Note that breakers are not interchangeable between Homeline and Eaton BR or CH.
10) I need a plug-on neutral NEMA 3R panel but not Square D breakers. What else is there?
The ABB PAM ReliaHome load center is a plug-on neutral unit in a NEMA 3R aluminum enclosure, so it is the closest cross-brand match on enclosure type and bus style. Choose on the breaker line you want to standardize on, since the Homeline panel takes Homeline breakers and the ReliaHome takes ABB's.
11) How does the ABB ReliaHome load center compare with the Square D Homeline 225A main lug panel?
Both are plug-on neutral panels in NEMA 3R enclosures, so either can be mounted outdoors. The difference a crew notices first is the box itself: the ABB PAM ReliaHome uses an aluminum enclosure, while the Homeline HOM4284L225PRB enclosure is welded galvannealed steel with a baked enamel gray finish, measuring 39.37 in high by 14.76 in wide by 4.53 in deep. The Homeline is rated 225A at 120/240V and takes 42 spaces, up to 84 circuits with tandem Homeline breakers. Breaker lines are brand-specific - ReliaHome panels accept ABB breakers, not Homeline.
12) I only need a small subpanel for a garage - is the 225A Homeline panel overkill?
For a garage or similar light subpanel, yes - the Homeline HOM4284L225PRB is a 42-space, 225A convertible main lug panel sized for a full residential or light commercial service. Smaller main lug options include the Eaton BRP24L125GW at 125A in a NEMA 1 enclosure for indoor use, and the Eaton CH2L at 125A with a copper bus in a NEMA 3R enclosure if the subpanel is mounted outdoors. Choose the panel by the feeder ampacity and circuit count the job actually needs.
13) Which of these panels has a copper bus?
The Eaton CH2L main lug loadcenter is specified with a copper bus in a NEMA 3R enclosure at 125A, and the Eaton BRP24L125GW uses an aluminum bus. The Square D Homeline HOM4284L225PRB is rated for 225.0A bus current on a 120/240V, 1-phase, 3-wire system and accepts AWG 4 to 300 kcmil aluminum or AWG 4 to 250 kcmil copper conductors at the lugs. If a specification calls out copper bus specifically, the CH2L is the one that states it.
14) How cold can this outdoor panel get before it is out of spec?
The rated ambient operating range is -5 C to 40 C (roughly 23 F to 104 F). In climates that run colder than that on a winter night, an exterior surface mount is outside the stated range, which is worth weighing against mounting it inside a garage or utility room and feeding a meter main outside.
15) Can I add energy monitoring to a Homeline 42-space panel?
Yes. It takes the full Homeline accessory lineup, including the Wiser Energy Smart Home Monitor for circuit-level usage tracking, along with main breaker kits and other Homeline interior accessories.
16) Is the HOM4284L225PRB made in the USA?
Country of origin on the HOM4284L225PRB is the United States. It is also RoHS EU compliant, mercury free and free of toxic heavy metals, which covers the usual procurement checklist on institutional and government orders.
How fast can I get the Square D HOM4284L225PRB delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Square D HOM4284L225PRB come with a warranty?
Absolutely. The Square D HOM4284L225PRB is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Square D HOM4284L225PRB?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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