Long Barrel Compression Lug 3/0 AWG 5/16" Stud | 310A 35kV UL/CE
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SKU: 210-98072A
1000 in stock
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The Conversions Tech long barrel compression lug is engineered for high-current terminations in industrial switchgear, transformer installations, solar inverters, and commercial distribution panels. Designed for 3/0 AWG copper conductors with a 5/16-inch mounting stud, this tin-plated copper lug delivers reliable electrical contact and mechanical pull-out strength in demanding applications. The orange color code provides quick wire size identification during installation and inspection.
Specifications
- Wire Size: 3/0 AWG
- Stud Size: 5/16"
- Color Code: Orange
- Overall Length (L): 3.876" (98.4 mm)
- Barrel Length (L₁): 1.50" (38.1 mm)
- Barrel Diameter (D): 22.9 mm (0.905")
- Inner Diameter (D₁): 15.7 mm (0.62")
- Outer Diameter (D₂): 12.9 mm (0.51")
- Flange Length (B): 30.4 mm (1.20")
- Flange Width (E): 8.7 mm (0.34")
- Thickness (F): 2.7 mm (0.108")
- Material: Tin-Plated Copper
- Temperature Rating: 90 °C (194 °F)
- Voltage Rating: 35 kV
- Maximum Amp Rating: 310 A
- Certifications: UL Recognized, CE Certified, RoHS Compliant
Cross-Reference
Equivalent to long barrel one-hole compression lugs from major electrical manufacturers. Provides comparable electrical and mechanical performance to branded terminals at reduced cost for large-scale industrial and utility projects.
FAQ
What crimping tool is required for this 3/0 AWG compression lug?
Use a UL-listed compression tool with dies matched to long barrel lugs for 3/0 AWG copper conductors. The 1.50" barrel length requires a tool capable of accommodating extended barrel terminals.
Is this lug rated for 90°C conductor terminations?
Yes. The 90 °C temperature rating permits use with 90 °C rated copper conductors per NEC ampacity tables. Verify compatible insulation ratings and installation conditions.
Can this lug be used in 35 kV medium voltage applications?
The 35 kV voltage rating applies to the lug's insulation and spacing capabilities when properly installed. Follow applicable NEC and NEMA standards for MV cable termination clearances and insulation requirements.
Why Pros Buy Direct from Conversions Tech
Engineered in the USA. Our U.S.-based engineering team designs and specifies our core product lines, and every product we carry — designed in-house or built to our exact specifications by certified partner factories — is quality-verified before it ships. UL/CSA listed where required, NEC compliant.
Cross-reference savings. Direct equivalents to Burndy, Hubbell, and other OEM part numbers at up to 30% less — same specs, same certifications, without the big-brand markup.
Real technical support. Need a torque spec, die reference, or an OEM quote? You’ll speak directly with the Conversions Tech engineering desk — not a script reader — for instant answers, custom kitting, and private-label options.
Fast US fulfillment. Orders in by 2PM ET ship same day from our US warehouse, nationwide ground and expedited.
