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ABB TM-24415R Main Breaker Load Center, Outdoor Enclosure
Model: ABB-TM-24415R
ABB TM-24415R Main Breaker Load Center, Outdoor EnclosureThe ABB TM-24415R main breaker load center is available in amperage options from 150A to 200A and in 1-phase or 3-phase configurations, giving...
ABB
Starting at
$1,724.59
ABB 200A 3-Phase Main Breaker Load Center
The ABB TM42420R is a main breaker load center engineered for commercial and industrial electrical distribution where a swift, code-compliant install is required. This load center arrives with the main breaker factory-installed, giving the user a single point to stop the flow of electricity and shut off all power in the structure. It provides 42 spaces for 1" breakers, a 200A main ampere rating, a 3 phase / 4 wire configuration at 208Y/120V ac, and a NEMA 3R enclosure suitable for outdoor installation.
Key Features
- Breaker Spaces: 42 spaces for 1" breakers, providing ample circuit capacity for larger commercial and industrial loads.
- Main Breaker Rating: 200A main ampere rating lets the user shut off all power in the building from a single point.
- Electrical Configuration: 3 phase, 4 wire load regulation at 208Y/120V ac for balanced commercial power distribution.
- Outdoor-Suitable Enclosure: NEMA 3R rated enclosure allows installation in outdoor and wet-exposed locations.
- Top Feed Design: Configured with feeders at the top of the enclosure for straightforward conduit routing.
- Interrupt Rating: Rated interrupt capacity of 22 for dependable fault protection.
- Amperage Rating: 200 A main rating supports demanding load center applications.
Certifications & Compliance
- UL Listed Standard
- NEMA 3R Outdoor Enclosure Rating
Technical Specifications
- Number Of Feeders: Top
- Interrupt Rating: 22
- Country of Origin: UKN
- Standard: UL
- Amperage Rating: 200 A
- Wiring Configuration: 4 Wire
- Phase: 3 Phase
- Load Regulation: 208Y/120V ac
- Enclosure: Outdoor
Typical Applications
- Commercial and Industrial Electrical Distribution
- Main Service Disconnect for Panelboards
- Outdoor and Wet-Location Electrical Installations
- New Construction and Renovation Projects
- 3-Phase, 4-Wire 208Y/120V Power Distribution Systems
Why ABB?
ABB engineers main breaker load centers like the TM42420R to deliver dependable, code-compliant power distribution for demanding commercial and industrial environments. With a UL Listed main breaker, a 200A rating, and a NEMA 3R enclosure built for outdoor exposure, this load center is built to provide reliable, long-term performance for electrical professionals who need equipment that stands up to the job site.
Manufacturer Resources
Product Specs
- Product Type:
- Load Center
- Amperage Rating:
- 200A
- Voltage Rating:
- 208Y/120V
- Department:
- Electrical
- Product Group:
- Wiring Devices
- Product Subgroup:
- Panelboards & Load Centers
ABB TM42420C – Frequently Asked Questions
1) What is the interrupt rating on the ABB TM42420 panel, and is it enough for my service?
The rated interrupt capacity is 22, meaning 22kAIC. That covers most 208Y/120V commercial services fed from a typical utility transformer. Where you are close-coupled to a large transformer or the engineer has run a fault current study calling for higher, check the available fault current at the panel location against 22kAIC before you set it. The main breaker is UL Listed.
2) Can I mount an ABB TM42420R load center outside on an exterior wall?
Yes. The TM42420R carries a NEMA 3R enclosure, which is the rating for outdoor and wet-exposed locations, so it is the correct choice for an exterior wall, a service yard, or a rooftop equipment area. NEMA 3R is rain and sleet rated, not submersion rated, so it still needs proper conduit entries and drainage handled at the bottom. The indoor CMB version is not suitable for that location.
3) What is the difference between a main breaker load center and a main lugs load center like the Square D Homeline L225PC?
The ABB TM42420C/TM42420R arrives with the main breaker factory-installed, so there is a single point in the enclosure to shut off all power at 200A. The Square D Homeline 60-Space 120-Circuit 225A Convertible Main Lugs Load Center is a main lugs unit, meaning the incoming feeders land on lugs and the disconnecting means has to come from upstream, or be added by converting the unit. If the drawing calls for the service disconnect to live at the panel itself, the main breaker version is the one that satisfies it as shipped; if there is already an upstream breaker feeding the panel, a main lugs unit is the usual fit.
4) Can a Square D QO main lugs load center be used outdoors in place of the ABB TM42420R?
No. The Square D QO Convertible Main Lugs Load Center, Plug-On Neutral is a NEMA 1 enclosure, which is an indoor-only rating. The ABB TM42420R carries a NEMA 3R enclosure rated for outdoor and wet-exposed locations. For a pad, a building exterior, or any location open to weather, the TM42420R is the one built for it; the ABB TM42420C is the indoor variant if the panel is going inside a mechanical room or electrical closet.
5) How many circuits does the ABB 200A 3-phase load center hold?
42 spaces for 1 inch breakers. On a 3-phase panel those spaces are fed A-B-C down the bus, so a 3-pole breaker consumes three spaces and a 2-pole consumes two. Plan the count in poles, not in loads: 42 single-pole branch circuits is the ceiling, and every 3-pole motor or rooftop unit breaker eats into it fast.
6) Does this ABB load center feed from the top or the bottom?
Top feed. The feeders land at the top of the enclosure, which is what you want when the service conduit drops from an overhead rack, a roof penetration, or a weatherhead. If your service lateral comes up from underground and you were planning a straight bottom entry into the main lugs, route accordingly or plan the conduit run to the top of the can before you set the panel.
7) Do I need a main breaker load center or will a main lugs panel do?
A main breaker panel like the ABB TM42420 has the 200A disconnect built in, so it gives you one handle that kills all power in the structure. That is what you need when the panel is the service disconnect or where code requires a disconnecting means at the panel. If this panel is fed downstream from an existing service disconnect or an upstream breaker, you can use a main lugs panel instead. ZenSupply carries main lugs options like the Square D QO Convertible Main Lugs Load Center and the Square D Homeline 60-space 225A convertible main lugs load center.
8) Can I use the Square D Homeline or QO load center instead of the ABB TM42420?
Not as a direct swap for this application. The ABB TM42420 is a 200A main breaker panel for 3 phase, 4 wire 208Y/120V service. The Square D Homeline 60-space 225A and the Square D QO plug-on neutral panels ZenSupply carries are both convertible main lugs units in NEMA 1 enclosures, so they are indoor only and arrive without a main breaker. They are an option where you have an upstream disconnect and a dry interior location, not where you need an outdoor-rated service panel with the main built in.
9) Can I put single-pole 120V branch circuits in a 3-phase 208Y/120V panel?
Yes, that is the point of the 4 wire wye configuration. Each phase leg to the neutral gives you 120V for receptacle and lighting circuits, while any two legs give 208V for larger single-phase loads and all three give 208V three-phase. With 42 spaces, spread the 120V circuits evenly across A, B and C so the legs stay balanced under load.
10) Are the breakers included with the ABB TM42420 load center?
The 200A main breaker ships factory installed in the enclosure. Branch breakers are not part of the load center. You order those separately, sized to your circuits and in the 1 inch width the 42 spaces accept, and they need to be breakers listed for use in this panel.
11) Will a Square D QO plug-on neutral load center work on a 208Y/120V 3-phase 4-wire service like the ABB TM42420?
Check the configuration before assuming it will. The ABB TM42420C and TM42420R are built for 3-phase, 4-wire distribution at 208Y/120V ac, which is the common commercial wye service. The Square D QO Convertible Main Lugs Load Center, Plug-On Neutral is a QO-series main lugs unit in a NEMA 1 enclosure - the plug-on neutral feature is about how AFCI and GFCI breakers land in the panel rather than about the service configuration, and QO load centers are sold in both single-phase and 3-phase arrangements. For a 208Y/120V 3-phase 4-wire feed, match the panel's phase and voltage rating to the service, not the series name.
12) I need more circuit positions than 42 - what load center handles a higher circuit count?
The ABB TM42420C and TM42420R provide 42 spaces for 1-inch breakers. Where the panel schedule runs past that, the Square D Homeline 60-Space 120-Circuit 225A Convertible Main Lugs Load Center carries 60 spaces and 120 circuits using tandem breakers. It is a main lugs unit in a NEMA 1 enclosure, so it needs an upstream disconnecting means and an indoor location, which is a different install than the ABB unit with its factory-installed main.
How fast can I get the ABB TM42420C 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 ABB TM42420C come with a warranty?
Absolutely. The ABB TM42420C 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 TM42420C?
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