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Burndy U25RT Circular Butting Twin U Die, Stainless Steel, 1/0 Str CU, Pink
The Burndy U25RT is a Circular Butting Twin U Die engineered from stainless steel for use with compatible 12-ton hydraulic crimping tool systems. Sized specifically for 1/0 Str CU (1/0 stranded copper) conductors, this die is stamped with Die Index 12 and finished in a pink color-code so crews can identify the correct die quickly and accurately on the job site. Its circular butting twin-U configuration is built to deliver a consistent, repeatable crimp profile on every termination, helping electricians and utility technicians produce secure, code-compliant copper connections in the field.
Key Features
- Conductor Size: Sized for 1/0 Str CU (1/0 stranded copper) conductors for an accurate, properly sized crimp.
- Durable Construction: Stainless steel die body resists corrosion and wear, holding tight tolerances through repeated crimp cycles in demanding field and shop conditions.
- Die Configuration: Circular Butting Twin U die design (U-Style die set) provides a secure, uniform crimp profile for reliable mechanical and electrical continuity.
- Tool Compatibility: Rated for use with 12-Ton hydraulic crimping tool systems, matching this die to the correct crimping force.
- Color-Coded Identification: Pink color-code paired with Die Index 12 speeds correct die selection and helps reduce mis-crimp errors on multi-die job sites.
- Product Category: Classified as a Die under Burndy's crimping die lineup, purpose-built as a companion component to compatible crimping tools rather than a standalone tool.
Technical Specifications
- Product Details: Die
- Die Index: 12
- Product Material: Stainless Steel
- Product Type: 12-Ton
Typical Applications
- Utility and Industrial Electrical Connections
- Copper Conductor Crimping and Termination
- Substation and Powerline Maintenance Work
- Compatible Hydraulic Crimping Tool Systems
- Professional Electrical Contracting Applications
- Panel and Switchgear Lug Termination
Why Burndy?
Burndy builds the U25RT Circular Butting Twin U Die from stainless steel for durability under repeated field use, with precise Die Index 12 stamping and pink color-coding that help crews select the correct die quickly and avoid costly mis-crimps. The circular butting twin-U geometry is engineered to work with 12-Ton hydraulic crimping tool systems to produce a consistent, code-compliant crimp on 1/0 Str CU conductors. For electricians, utility crews, and panel builders who depend on repeatable, reliable copper terminations, this Burndy die delivers the precision that professional crimping work demands.
Manufacturer Resources
Spec Sheet
Product Specs
- list_batch:
- BURNDY-20260915
- Product Details:
- Die
- Die Index:
- 12
- Die Type:
- U Die
- Color Code:
- Pink
- Product Type:
- Replacement Die
- Product Material:
- Stainless Steel
- Department:
- Electrical
- Product Subgroup:
- Tool Replacement Parts
- Product Group:
- Power Tools & Accessories
Burndy U25RT – Frequently Asked Questions
1) What conductor size does the Burndy U25RT die crimp?
The U25RT is sized for 1/0 stranded copper. It is a single-size die, so a different conductor size means a different die, not a different setting on the tool. Die Index 12 is stamped on it and the body is color-coded pink so a crew can confirm they have the right one before they put it in the head.
2) Will the U25RT fit my crimping tool, or do I need a specific tonnage?
It is built for 12-ton hydraulic crimping tool systems. Putting a 12-ton U-style die in a 6-ton or 15-ton head is not a match, so check the tonnage rating stamped on your tool head before ordering. The U25RT is a die only, a companion component to the tool rather than a standalone crimper.
3) What does a circular butting twin U die actually do differently from a hex die?
Twin U geometry puts two U-shaped indents on the connector rather than forming a hex. Burndy calls this one a circular butting twin U, and it is the profile Burndy specifies for its U-style 12-ton system on 1/0 stranded copper. If your connector's installation data calls for a hex crimp or a different die index, the U25RT is not the die for that termination.
4) Is the U25RT die suitable for aluminum conductors?
It is sized and specified for copper, specifically 1/0 stranded copper. For aluminum or ACSR terminations, use the die the connector manufacturer's installation data calls out for that conductor, not this one.
5) Does the pink color code on Burndy dies mean anything, or is it just paint?
Pink on the U25RT pairs with Die Index 12 as an identification system. On a job site running a dozen dies out of one case, the color plus the stamped index lets a crew grab the right die without measuring, which is what keeps mis-crimps down on multi-size work.
6) Will a stainless steel crimping die hold up to daily field use?
The U25RT body is stainless steel, which resists corrosion and wear and holds tolerance through repeated crimp cycles. That matters for line and substation crews whose dies live in a truck rather than a clean shop drawer.
7) What is the exact part number to order this Burndy 1/0 copper U die?
Order Burndy U25RT. That is the manufacturer part number as stamped, and Burndy publishes a spec sheet for it at hubbellcdn.com under BRDY-U25RT-SPEC-EN.
8) Can I use the U25RT for panel and switchgear lug terminations, or is it only a utility die?
Both. It is used for copper conductor termination in utility and industrial work, substation and powerline maintenance, and panel and switchgear lug crimps, as long as the lug or splice is sized for 1/0 stranded copper and the connector's data calls for the Index 12 U crimp.
How fast can I get the Burndy U25RT 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 Burndy U25RT come with a warranty?
Absolutely. The Burndy U25RT 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 Burndy U25RT?
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