You may also like
Eaton NB Series Molded Case Circuit Breaker Trip Unit, Three-Pole, Fixed Thermal-Magnetic
Model: EAT-NB3400PT
Eaton NB Series Molded Case Circuit Breaker Trip Unit, Three-Pole, Fixed Thermal-MagneticThe Eaton NB Series molded case circuit breaker trip unit is built for demanding commercial and industrial...
Eaton
$5,378.24
ABB XT2N Series Molded Case Circuit Breaker, Fixed Three-Pole
The ABB XT2N Series molded case circuit breaker delivers dependable overcurrent protection for commercial and industrial power distribution systems. This fixed three-pole breaker is available across the XT2N platform's current rating lineup, spanning 125 A to 225 A, so electrical professionals can select the current rating that matches the panelboard or switchgear application. Every option in the family features front terminals for straightforward wiring access, and is equipped with an Ekip LS/I R solid-state release providing adjustable long-time and short-time protection with instantaneous override. Rated for AC systems and UL Listed/CSA Certified, the XT2N platform is built to deliver code-compliant circuit protection for demanding electrical installations across North America.
Key Features
- Current Rating Range: available in ratings from 125 A to 225 A, allowing the correct breaker to be selected for the specific feeder or branch circuit load.
- Fixed Three-Pole Configuration: designed for three-phase circuits with a fixed (non-drawout) frame for permanent panelboard or switchgear mounting.
- Front Terminals: front-connected terminals simplify wiring access and installation in tight enclosure spaces.
- Solid-State Release: Ekip LS/I R electronic trip unit provides adjustable long-time (L) and short-time (S) overcurrent protection with instantaneous (I) response for precise coordination with upstream and downstream devices.
- AC Rated: engineered for alternating current power distribution applications.
- Molded Case Construction: compact, rugged housing built for long-term reliability in commercial and industrial electrical systems.
- Packaging: supplied individually, 1 each, for straightforward inventory and installation planning.
Certifications & Compliance
- UL Listed
- CSA Certified
Technical Specifications
- Current Rating: 125 A - 225 A (select at checkout)
- Poles: Three-Pole, Fixed
- Terminal Type: Front Terminals
- Trip Unit: Ekip LS/I R Solid-State Release
- Refer to manufacturer documentation for complete technical specifications.
Typical Applications
- Commercial and Industrial Electrical Panelboards
- Switchgear and Power Distribution Equipment
- Motor and Feeder Circuit Protection
- Main and Branch Circuit Breaker Applications
- New Construction and Electrical System Retrofits
Why ABB?
ABB's XT2N Series molded case circuit breakers pair a fixed three-pole, front-terminal design with an advanced Ekip LS/I R solid-state release, giving electrical professionals precise, adjustable overcurrent protection across current ratings from 125 A to 225 A in a compact frame. UL Listed and CSA Certified, the XT2N platform is engineered to meet the reliability and code-compliance demands of commercial and industrial power distribution, making it a solid choice for panelboards, switchgear, and feeder circuits that require consistent, long-term, code-compliant circuit protection backed by a recognized global electrical manufacturer.
Manufacturer Resources
Spec Sheet
Product Specs
- Product Type:
- Circuit Breaker
- Series:
- XT2N
- Configuration:
- Fixed Three-Pole
- Listing:
- UL Listed
- Department:
- Electrical
- Product Group:
- Circuit Protection
- Amperage Rating:
- 125A - 225A
- Connection Type:
- Front Terminals
- Standards:
- CSA Certified
- Product Subgroup:
- Circuit Breakers
ABB XT2NU3125EFF000XXX – Frequently Asked Questions
1) What amp ratings does the ABB XT2N three-pole molded case breaker come in?
Two current ratings are offered: 125 A (MPN XT2NU3125EFF000XXX) and 225 A (MPN XT4NU3225EFF000XXX). Note the 225 A unit is built on the larger XT4 frame, so the mounting footprint and terminal spacing differ from the 125 A XT2 frame. If you are standardizing a panel layout, size the enclosure for the frame you are actually ordering, not just the amp rating.
2) Is the ABB XT2N breaker a drawout or fixed-mount unit, and how does it connect?
Fixed mount, not drawout. It bolts in permanently and uses front terminals, so wiring lands at the face of the breaker rather than the rear. That makes it workable in shallow or crowded enclosures, but it also means you cannot rack it out for service the way you would a plug-in or withdrawable version. Plan for a full outage to change one out.
3) What does the Ekip LS/I R trip unit on the XT2N actually adjust?
It is a solid-state (electronic) release, not thermal magnetic. You get adjustable long-time protection for sustained overload, adjustable short-time protection for downstream faults, and an instantaneous element for high-magnitude faults. The practical benefit is selective coordination: you can set the short-time delay so a downstream breaker clears a fault before this one opens, instead of dropping the whole feeder. A thermal magnetic breaker gives you far less room to do that.
4) I need a three-phase breaker for an I-Line panelboard - can I use the ABB XT2N?
No. The ABB XT2N is a fixed three-pole breaker with front terminals, meaning it is bolted and wired in place rather than plugged onto a bus. Square D I-Line panelboards take a plug-on breaker designed for that bus, and the Square D PowerPacT Q I-Line circuit breaker is the molded case unit built for that connection. Specify the XT2N where the enclosure accepts a front-connected fixed breaker, and go to the PowerPacT Q I-Line where the panel interior is I-Line.
5) What is the Square D equivalent to an ABB XT2N molded case breaker?
The closest Square D counterpart in molded case format is the PowerPacT B series thermal magnetic circuit breaker. The difference that matters for coordination work is the trip unit: the ABB XT2N is supplied with an Ekip LS/I R solid-state release, giving adjustable long-time and short-time protection with an instantaneous override, while the PowerPacT B uses a thermal magnetic trip. If the drawing calls for adjustable L and S settings to coordinate with upstream and downstream devices, the electronic release on the XT2N is the reason to stay with it; if the circuit only needs straightforward thermal magnetic overcurrent protection, the PowerPacT B covers that duty.
6) Should I use an electronic-trip breaker like the ABB XT2N or a thermal magnetic one?
Pick thermal magnetic when the circuit is straightforward and nothing downstream needs to be coordinated with, for example a simple branch or a small feeder. The Square D PowerPacT B thermal magnetic breaker is that kind of device. Go electronic, as with the XT2N and its Ekip LS/I R release, when you have a coordination study to satisfy, motor loads with high inrush, or a feeder where nuisance tripping or a full-panel outage is unacceptable. The adjustability is the whole reason to pay for the electronic unit.
7) Is the ABB XT2N circuit breaker UL Listed and CSA certified?
Yes. The XT2N carries UL Listing and CSA certification, so it is acceptable for use on both sides of the border in commercial and industrial distribution equipment. For an institutional or government spec that calls for a listed molded case breaker, that dual listing is normally what the reviewer is checking for.
8) Will an ABB XT2N molded case breaker mount on DIN rail in a control panel?
No. The XT2N is a molded case breaker built to be bolted into a panelboard or switchgear enclosure with front terminal connections. For DIN rail mounting in a control cabinet, a miniature circuit breaker is the right family, for example the Square D C60 UL489 MCB, which is a DIN rail mount device.
9) What should I use for a single-phase 120V branch circuit instead of the ABB XT2N?
The XT2N is configured as a fixed three-pole breaker for three-phase circuits, so it is the wrong device for a single-phase branch. For a 120V AC single-pole application, the Square D Multi9 C60 1-pole C-curve miniature circuit breaker is built for that service, with a C trip curve suited to general mixed loads. Keep the XT2N for the three-phase feeder and motor circuits it is intended for.
10) Can a Square D C60 miniature breaker replace an ABB XT2N?
They are not interchangeable. The Square D C60 is a UL489 miniature circuit breaker that mounts on DIN rail, which is the format used in control panels and small distribution enclosures. The ABB XT2N is a molded case breaker in a fixed three-pole frame with front terminals for permanent panelboard or switchgear mounting, offered at 125 A and 225 A ratings. A DIN rail MCB will not land on the same mounting or terminals, so treat the C60 as a control-panel device rather than a substitute for a molded case feeder breaker.
11) Where do I find the full trip curves and technical data for the ABB XT2N?
ABB publishes a spec sheet for the XT2N platform covering the complete technical data, and it is linked in the product specification attributes. That is the document to use when you need trip curves and settings ranges for a coordination study, since the Ekip LS/I R release is adjustable and the settings drive the study.
12) For a facility standardizing on UL listed breakers, how does the ABB XT2N compare with the Square D options?
The ABB XT2N is UL Listed and CSA Certified, which covers specifying it on both US and Canadian projects. Among the Square D alternatives, the C60 miniature circuit breaker is identified as a UL489 device, the standard that applies to branch circuit breakers. The practical split for a standardization program is by frame type rather than by listing: the XT2N and the PowerPacT B are molded case breakers, while the C60 family is DIN rail miniature. Most facilities end up holding one molded case line for feeders and one miniature line for control panels.
13) How is the ABB XT2N breaker packaged for ordering?
Supplied individually, one each. There is no multi-pack, so a quantity of ten on a purchase order is ten breakers. For an MRO buyer stocking spares across several panels, that makes per-unit stocking straightforward.
How fast can I get the ABB XT2NU3125EFF000XXX 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 XT2NU3125EFF000XXX come with a warranty?
Absolutely. The ABB XT2NU3125EFF000XXX 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 XT2NU3125EFF000XXX?
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
Why buy the ABB XT2NU3125EFF000XXX from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.