ABB XT5 3-Pole Circuit Breaker...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,077.87
ABB XT5 3-Pole Circuit Breaker Kit

ABB XT5 3-Pole Circuit Breaker Kit

(No reviews yet) Write a Review

Model: MBM334

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

$1,077.87
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

ABB XT5 3-Pole Circuit Breaker Kit

The ABB XT5 3-Pole Circuit Breaker Kit is a factory-packaged accessory kit built for the ABB XT5 molded case circuit breaker platform. Configured for 3-pole breaker applications, this kit is intended for electrical contractors, panel builders, and maintenance teams who are standardizing on ABB XT5 breaker components for commercial and industrial distribution equipment. Each kit ships packaged 1 each, making it easy to specify and order alongside other ABB XT5 breaker accessories. As with all ABB circuit protection products, this kit is engineered to support reliable, code-compliant installation and long-term performance across panelboard and switchgear applications.

Key Features

  • XT5 Platform Compatibility: Purpose-built for the ABB XT5 molded case circuit breaker series, helping ensure proper fit and function within XT5-based distribution equipment.
  • 3-Pole Configuration: Configured for 3-pole breaker applications, supporting three-phase circuit protection schemes in commercial and industrial systems.
  • Kit Format: Supplied as a complete accessory kit rather than an individual loose part, simplifying specification for panel builds and breaker retrofits.
  • Single-Unit Packaging: Packaged 1 each, allowing electrical distributors and contractors to order exact quantities needed for a given job.
  • ABB Manufacturing Standards: Backed by ABB's engineering and manufacturing standards for electrical distribution and circuit protection components.
  • Manufacturer Documentation Available: A manufacturer-published spec sheet is available for detailed technical reference prior to specification or installation, covering the full XT5 kit details not captured in this summary.

Technical Specifications

  • Country of Origin: UKN
  • Packaging: 1 ea
  • Poles: 3
  • Breaker Platform: ABB XT5

Typical Applications

  • Commercial and Industrial Electrical Distribution Systems
  • Panelboard and Switchgear Servicing with ABB XT5 Breakers
  • Three-Phase Circuit Protection Upgrades
  • Maintenance and Retrofit of Existing ABB XT5 Installations
  • New Construction Panel Builds Standardized on ABB Components
  • MRO Stocking for Facilities Running ABB XT5 Breaker Equipment

Why ABB?

ABB is a globally recognized manufacturer of electrical distribution and circuit protection equipment, and the XT5 platform is engineered to deliver dependable performance in demanding commercial and industrial environments. Choosing genuine ABB kit components for your XT5 breaker installations helps ensure proper fit, function, and long-term reliability across your electrical distribution system, reducing the risk of compatibility issues during panel builds or breaker servicing. For complete technical details, dimensions, and application notes, refer to the manufacturer spec sheet before specifying or installing this kit.

Manufacturer Resources

Product Specs

Product Type:
Circuit Breaker Kit
Configuration:
3-Pole
Series:
XT5
Country of Origin:
Unknown
Department:
Electrical
Product Group:
Wiring Devices
Product Subgroup:
Circuit Breakers

ABB MBM334 – Frequently Asked Questions

1) Will the ABB MBM334 kit work with an XT5 breaker, or is it for a different Tmax XT frame?
MBM334 is built for the ABB XT5 molded case breaker platform, so it belongs on XT5 frames rather than the smaller Tmax XT frames. It is also configured specifically for 3-pole breakers. If the breaker in your panel is a 4-pole XT5 or a different frame size in the Tmax XT family, this is not the matching kit.
2) Is the ABB MBM334 a complete circuit breaker, or just an accessory kit?
It is an accessory kit, not a breaker. MBM334 ships as a factory-packaged kit for use with an ABB XT5 molded case breaker you already have or are buying separately. Buyers stocking a panel build need to order the XT5 breaker itself in addition to this kit.
3) Can I use the ABB XT5 3-pole kit on a three-phase distribution panel?
Yes. The 3-pole configuration is what you want for three-phase circuit protection in commercial and industrial distribution gear, which is exactly the application the MBM334 kit is meant for. Single-phase two-pole XT5 arrangements need a different kit configuration.
4) How does the ABB MBM334 come packaged if I'm ordering for a single panel job?
One kit per pack. MBM334 is supplied 1 each, so contractors and distributors can order the exact count needed per breaker position rather than buying a bulk carton.
5) Is MBM334 a genuine ABB part for XT5 retrofits, or an aftermarket equivalent?
MBM334 is a genuine ABB component made for the XT5 breaker line. For maintenance teams retrofitting or servicing existing XT5 installations, staying with ABB-manufactured kit parts keeps fit and function consistent with the rest of the breaker assembly.
How fast can I get the ABB MBM334 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 MBM334 come with a warranty?
Absolutely. The ABB MBM334 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 MBM334?
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 MBM334 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.
!