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ABB 125A Convertible Meter-Main Combination Panel, NEMA 3R
The ABB 125A Convertible Meter-Main Combination Panel is a 1-Phase, 3-Wire service entrance panel engineered for 120/240V ac load regulation and rated for either overhead or underground feeder configurations. Housed in a NEMA 3R outdoor enclosure, this convertible panel carries a 65 interrupt rating and meets UL standard requirements, making it a dependable choice for residential and light commercial service entrance upgrades where outdoor mounting, flexible feeder routing, and code-compliant fault protection are all required on the same job.
Key Features
- Amperage Rating: 125A service rating sized for residential and light commercial electrical service entrances.
- Electrical Configuration: 1-Phase, 3-Wire wiring configuration engineered specifically for 120/240V ac load regulation.
- Interrupt Rating: Rated 65 for reliable fault-current withstand capability in demanding service-entrance applications.
- Convertible Feeder Design: Number of feeders is configurable as either overhead or underground, giving installers on-site flexibility without needing a separate panel for each service type.
- NEMA 3R Enclosure: Outdoor-rated enclosure construction protects internal metering and main breaker components from rain and outdoor weather exposure.
- Code-Compliant Standard: Built to UL standard requirements to support safe, inspectable service-entrance installations.
- Single Package Solution: Combines the metering and main disconnect functions in one convertible panel, simplifying service entrance layout for electricians.
Certifications & Compliance
- UL Listed
- NEMA 3R Outdoor Enclosure Rating
Technical Specifications
- Interrupt Rating: 65
- Standard: UL
Typical Applications
- Residential Service Entrance Equipment
- Meter Socket and Meter-Main Panel Combination Installations
- Outdoor Electrical Distribution Equipment
- Overhead or Underground Feeder Service Upgrades
- Renovation and New Construction Electrical Service Projects
- Utility-Compliant Metering Installations Requiring 120/240V ac Service
Why ABB?
ABB engineers convertible meter-main panels to deliver dependable, code-compliant performance for electrical professionals working on residential and light commercial projects. With a NEMA 3R outdoor enclosure, a 65 interrupt rating, and UL standard compliance, this panel is built to withstand outdoor service conditions while supporting flexible overhead or underground feeder installations, giving contractors a single convertible solution for varied job-site requirements and long-term service reliability.
Manufacturer Resources
Product Specs
- Product Group:
- Wiring Devices
- Department:
- Electrical
- Product Type:
- Meter-Main Combination Panel
- Product Subgroup:
- Panelboards & Load Centers
ABB TLM2412RCU – Frequently Asked Questions
1) What amperage options does the ABB TLM meter-main combination panel come in?
Two service ratings: a 125A version (MPN TLM2412RCU) and a 200A version (MPN TLM2020CCUG). Both are 1-phase meter-main combinations that put the utility metering and the main disconnect in one enclosure. Order by the amp rating your service entrance calls for, since the two are separate part numbers, not a field-adjustable rating.
2) Can this ABB meter-main panel be mounted outdoors on an exterior wall?
Yes. The enclosure is NEMA 3R, which is the outdoor rain-rated construction used for service entrance equipment mounted on the outside of a building. It protects the metering section and main breaker from rain and weather exposure.
3) Does this panel work for an underground service lateral, or only overhead drops?
Both. The feeder arrangement is convertible, so the same panel can be set up for an overhead service drop or an underground lateral. That is the main reason electricians spec a convertible unit: one part number covers either service type instead of stocking two panels for two jobs.
4) Is this ABB meter-main panel suitable for a 120/240V single phase residential service?
That is exactly what it is built for. The panel is 1-phase, 3-wire for 120/240V ac service, which is the standard residential and light commercial service configuration in North America. It is not a 3-phase device, so a commercial 208Y/120 or 480V service needs different equipment.
5) What is the interrupting rating on the ABB convertible meter-main, and will an inspector accept it?
The panel carries a 65 interrupt rating and is built to UL standard requirements, which is what an inspector looks for on service entrance equipment. If your utility has published an available fault current at the service point, compare it against that 65 rating before you set the can.
6) Do I still need a separate meter socket if I install this panel?
No. A meter-main combination integrates the meter socket and the main disconnect in a single enclosure, so you are not mounting a standalone socket and feeding a separate main breaker panel. That is the layout advantage on a service upgrade where wall space outside is tight.
7) Is the ABB TLM meter-main a good fit for a light commercial service upgrade or just houses?
It suits both, within its limits. ABB lists it for residential and light commercial service entrance work, including renovation and new construction, and utility-compliant metering installations at 120/240V ac. Where it stops being the right choice is any 3-phase service or a load that exceeds the 200A top rating.
How fast can I get the ABB TLM2412RCU delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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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 TLM2412RCU come with a warranty?
Absolutely. The ABB TLM2412RCU 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 TLM2412RCU?
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