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BURNDY U31ART 12-Ton U-Type Compression Die
The BURNDY U31ART is a genuine stainless steel U-die specifically engineered for crimping 350 kcmil stranded aluminum conductors. Utilizing a circumferential crimp construction, this die delivers a consistent and reliable 12-ton crimp to ensure secure, high-quality electrical connections.
For rapid field identification and proper application, the U31ART die is color-keyed BROWN and features a stamped die index of 299.
Key Specifications
- Conductor Size: 350 kcmil Stranded Aluminum
- Die Type: U-Die (U31ART)
- Material: Stainless Steel
- Color Code: Brown
- Die Index: 299
- Crimp Profile: Circumferential
- Crimp Force: 12 Tons
Tool Compatibility
The BURNDY U31ART is designed for seamless use with the following 12-ton compression tools:
- BURNDY Y35 Series
- BURNDY Y39 Series
- BURNDY Y750 Series
- BURNDY PAT750 Series
- BURNDY Y46 and PAT46 Series (requires PUADP1 die adapter, sold separately)
Frequently Asked Questions
Q: Can I use this die in a BURNDY Y46 or PAT46 tool?
A: Yes, the U31ART die is compatible with Y46 and PAT46 series tools; however, it requires the use of a PUADP1 die adapter (sold separately).
Q: What is the die index and color code for the U31ART?
A: The die is color-coded BROWN and stamped with die index 299 for easy visual identification in the field.
Q: What type of conductor is the U31ART designed for?
A: This specific die is engineered exclusively for compressing 350 kcmil stranded aluminum conductors.

