sales@foscoconnect.com
(510) 319-9878
Silicon Valley, CA, USA
Product Overview
The BURNDY U654 is a heavy-duty stainless steel radial butting twin die designed for reliable H-tap compression connections. Color-keyed purple with a die index of 654, it accommodates main wires ranging from #2 AWG to 250 kcmil (4/0–2 flex) alongside dual tap sizes from #14 to #8 AWG. The die features independently functioning tap grooves and automatically embosses its index number onto the connector during crimping, facilitating immediate post-installation visual inspection and quality verification.
Key Specifications
- Die Profile: U-Die (Twin Die, Radial Butting)
- Material: Stainless Steel
- Color Code: Purple
- Die Index: 654
- Main Wire Capacity: #2 AWG to 250 kcmil (4/0-2 flex)
- Tap Capacity (Tap 1 & 2): #14 AWG to #8 AWG
- Embossment: Yes (Index 654)
Tool Compatibility
- Direct Compatibility: BURNDY Y750 series tools
- Adapter Compatibility: BURNDY Y46 series tools (requires PUADP1 die adapter, sold separately)
Frequently Asked Questions
Q: What crimping tools can I use with the U654 die?
A: The U654 die is directly compatible with BURNDY Y750 series crimping tools. It can also be utilized with the Y46 tool when paired with a PUADP1 die adapter.
Q: Does this die leave an inspection mark on the connector?
A: Yes, it automatically embosses the die index (654) onto the connector after each crimp to allow for simple post-installation verification.

