ABB MLO 200A 42-Circuit Load C...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,816.40
ABB MLO 200A 42-Circuit Load Center, 3R Outdoor Enclosure

ABB MLO 200A 42-Circuit Load Center, 3R Outdoor Enclosure

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Model: TL24415R

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

$1,816.40
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ABB MLO 200A 42-Circuit Load Center, 3R Outdoor Enclosure

The ABB MLO 200A 42-Circuit Load Center is a main lug only (MLO) load center that can serve as a home's main panel or sub panel, depending on the installation's preference, rated for a 200 A bus ampere capacity with space for 42, 1" breakers. Configured for 3 Phase, 4 Wire, 208Y/120V AC service, it is housed in an outdoor-suitable NEMA 3R enclosure and is rated up to 60/75 degree centigrade, making it well suited for both commercial and residential distribution needs. It is UL Listed and suitable for use with service entrance equipment when installed in accordance with electrical code, giving installers a code-compliant option for main or secondary distribution.

Key Features

  • Circuit Capacity: Space for 42, 1" breakers, giving installers flexible branch circuit configurations for larger loads.
  • Amperage Rating: 200 A bus ampere rating suitable for main lug (MLO) service entrance or sub-panel applications.
  • Wiring Configuration: 3 Phase, 4 Wire, 208Y/120V AC load regulation for commercial and multi-phase power distribution.
  • Interrupt Rating: 65 kAIC interrupt rating for robust short-circuit protection in demanding electrical systems.
  • Enclosure: Outdoor-suitable NEMA 3R enclosure protects internal components from rain and outdoor elements.
  • Temperature Rating: Rated up to 60/75 degree centigrade, supporting demanding electrical environments and service entrance use.
  • Feeder Configuration: Number of feeders configurable as either, offering added installation flexibility for electricians.

Certifications & Compliance

  • UL Listed
  • NEMA 3R Outdoor-Suitable Enclosure
  • Suitable for Use with Service Entrance Equipment When Installed per Electrical Code

Technical Specifications

  • Interrupt Rating: 65
  • Standard: UL
  • Country of Origin: UKN

Typical Applications

  • Residential Main or Sub Panel Installations
  • Commercial and Industrial Electrical Distribution
  • Outdoor and Wet-Location Panel Installations
  • New Construction and Electrical Panel Upgrades and Retrofits
  • Multi-Phase 208Y/120V Power Distribution Systems
  • Service Entrance Equipment Installations per Electrical Code

Why ABB?

ABB load centers are rated up to 60/75 degree centigrade and built to UL standards, delivering dependable, code-compliant power distribution for main or sub panel applications across residential and commercial settings. With a rugged, outdoor-suitable NEMA 3R enclosure and a 65 kAIC interrupt rating, this ABB load center is engineered for demanding indoor and outdoor installations where reliable, long-term performance is essential for electrical contractors and facility managers alike.

Manufacturer Resources

Product Specs

Product Group:
Wiring Devices
Department:
Electrical
Product Type:
Load Center
Voltage Rating:
208Y/120V
Listing:
UL Listed
Configuration:
NEMA 3R Enclosure
Product Subgroup:
Panelboards & Load Centers

ABB TL24415R – Frequently Asked Questions

1) Can this ABB load center be installed outdoors on an exterior wall?
Yes. The ABB TL series load center comes in a NEMA 3R enclosure, which is rated for outdoor use and protects the interior from rain, so it can be surface mounted on an exterior wall or in another exposed location. Nothing extra is needed to make it weather rated.
2) Is this ABB panel a main breaker panel or main lugs only?
Main lugs only (MLO). There is no main breaker in the panel, so overcurrent protection has to come from upstream, either from the service disconnect or the feeder breaker in the panel feeding it. ABB states it can serve as the main panel or as a sub panel depending on how it is installed, and it is suitable for use with service entrance equipment when installed per electrical code.
3) What voltage and phase configuration does this ABB load center support?
It is configured for 3 phase, 4 wire, 208Y/120V AC service. That gives you 120V line-to-neutral branch circuits and 208V line-to-line, which is the common commercial and multi-family service. If your building is fed 240/120V single phase, this is not the panel for that service.
4) Which amperage versions of this ABB TL load center can I order, and what are the part numbers?
Two amperage options: 150A, ABB part number TL24415R, and 200A, part number TL42420R. Pick the one that matches the upstream feeder or service size you are landing on the lugs. Both are the 3R outdoor style enclosure.
5) Will a 208Y/120V load center work for a standard single-family house service?
Usually not. This ABB panel is built for 3 phase, 4 wire 208Y/120V, while a typical single family dwelling is fed 120/240V single phase. It is the right panel where the building is fed from a 208Y system, which is common in apartment buildings, mixed-use, and commercial spaces. Check the service voltage at the meter before ordering.
6) What indoor load center can be used instead of the ABB TL-244 main lug load center?
The ABB TL-244 load center is housed in a NEMA 3R enclosure, which is what makes it suitable for outdoor and wet-location mounting. For an installation inside a mechanical room or utility closet where weather protection is not needed, the Square D HOM-L225PC Homeline 225A convertible main lugs load center and the Square D QO-112M100P QO convertible main lugs load center are both NEMA 1 enclosures intended for indoor, dry locations.
7) Is the Square D HOM-L225PC a direct replacement for an ABB TL-244 load center?
No. Both are main lug load centers, but they differ in two ways that matter on the job. The ABB TL-244 is a NEMA 3R outdoor-suitable enclosure configured for 3 phase, 4 wire, 208Y/120V AC service, while the Square D HOM-L225PC is a Homeline 225A convertible main lugs load center in a NEMA 1 indoor enclosure. Breaker interiors are not interchangeable between the two either - the Homeline panel takes Homeline breakers.
8) Which load center should I specify for a 3 phase 208Y/120V commercial service?
The ABB TL-244 is configured for 3 phase, 4 wire, 208Y/120V AC service with a 65 kAIC interrupt rating, which is the configuration commercial 208Y/120V distribution calls for. The Square D HOM-L225PC Homeline and QO-112M100P QO load centers are load centers in the Homeline and QO series respectively - verify the phase configuration on those against your single-line drawing, as residential-style load centers are commonly single phase.
9) How many breakers fit in the ABB 200A 42-circuit load center?
The 200A version has space for 42 one-inch breakers, and the 200A bus carries them. That is the count of 1 inch spaces, so full-size single pole breakers fill 42 of them, while two pole breakers take two spaces each. Plan your branch circuit schedule off the 1 inch pole count, not the circuit numbers on the directory.
10) Is a 65 kAIC rating enough for a panel close to a large utility transformer?
The panel carries a 65 kAIC interrupt rating, which is high for a 208Y/120V distribution panel and covers most available fault currents you will see downstream of a commercial service. What matters is your engineer's short circuit study at that point in the system: if the calculated available fault current is at or below 65 kA, this panel is rated for the location.
11) Is this ABB load center UL Listed for an inspected commercial job?
Yes, it is UL Listed, and ABB states it is suitable for use with service entrance equipment when installed in accordance with electrical code. For an institutional or commercial inspection, that plus the NEMA 3R enclosure rating is what the inspector will be checking for an exterior mounted panel.
12) I need a smaller main lug panel than the 42-circuit ABB TL-244 - what are the options?
The ABB TL-244 family covers 150A and 200A ratings with space for 42 one-inch breakers, which is more branch capacity than many light-commercial or residential jobs need. For a smaller build-out, the Square D QO-112M100P is a QO convertible main lugs load center with a plug-on neutral bar in a NEMA 1 indoor enclosure. Confirm the circuit count and enclosure type match your opening before ordering, since the QO panel is an indoor NEMA 1 unit.
13) What is the difference between a convertible main lugs load center and the ABB TL-244 MLO panel?
The ABB TL-244 is a main lug only (MLO) load center that can serve as either a main panel or a sub panel depending on the installation. A convertible design, such as the Square D HOM-L225PC Homeline or the Square D QO-112M100P QO load center, ships as main lugs but accepts a main breaker kit to convert it to a main breaker panel. If your drawing calls for an integral main breaker, the convertible Square D panels give you that path; if you are feeding from upstream overcurrent protection, the ABB MLO panel is already configured for it.
14) Do the Square D QO and Homeline load centers accept the same breakers as the ABB TL-244?
No - breaker interiors are series specific. The ABB TL-244 load center has space for 42 one-inch breakers and takes ABB-compatible branch breakers. The Square D HOM-L225PC is a Homeline series panel and the Square D QO-112M100P is a QO series panel, and each takes breakers from its own line. If you are standardizing a facility's spare breaker stock, pick one series and stay with it across the panels rather than mixing brands.
How fast can I get the ABB TL24415R delivered?
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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 ABB TL24415R come with a warranty?
Absolutely. The ABB TL24415R 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 ABB TL24415R?
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