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Copper Short Barrel One Hole Compression Lugs 3/0 AWG 5/16-inch Bolt Size

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SKU: 210-98025

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3/0 AWG Copper Compression Lug | Short Barrel | 1-Hole | 5/16" Stud | Orange | Conversions Tech

The Conversions Tech 3/0 AWG Copper Short-Barrel Compression Lug is designed for dependable and space-efficient terminations in electrical systems. Constructed from high-conductivity copper with a tin-plated finish, it offers superior corrosion resistance and long-lasting durability. The short-barrel design provides compact installation without compromising performance, while the one-hole configuration with a 5/16-inch bolt size ensures a secure, low-resistance connection. Ideal for industrial, commercial, and residential applications, this compression lug delivers high efficiency and mechanical reliability in tight spaces.

Rated for up to 35 kV and 90°C, this lug meets UL, CE, and RoHS compliance standards, ensuring safe, professional-grade electrical connections across all environments.

Key Features

  • High-Quality Copper Construction: Ensures exceptional electrical conductivity and long-term mechanical reliability.
  • 3/0 AWG Conductor Compatibility: Perfectly sized for 3/0 AWG conductors to provide a tight, stable fit.
  • 5/16-Inch Bolt Hole: Fits standard bolts or studs, simplifying secure installation.
  • Short Barrel Design: Compact construction ideal for installations with limited space.
  • Compression Connection: Provides a solid crimp for secure, corrosion-resistant electrical terminations.
  • Tin-Plated Finish: Protects against oxidation and enhances conductivity for consistent performance.
  • UL, CE & RoHS Certified: Meets industry safety and performance standards for electrical reliability.

Technical Specifications

Wire Size 3/0 AWG
Stud Size 5/16" Stud
Color Orange
Overall Length (L) 52.3 mm (2.10")
Neck Length (L1) 19.1 mm (0.80")
Outer Diameter (D) 23.0 mm (0.90")
Inner Diameter (D1) 15.7 mm (0.60")
Hole Diameter (D2) 13.0 mm (0.50")
Width (B) 24.4 mm (0.96")
Hole Spacing (E) 8.8 mm (0.30")
Thickness (F) 2.7 mm (0.10")
Material Tin-Plated Copper
Temperature Rating 90°C
Voltage Rating 35 kV
Maximum Amp Rating 310 A
UL Approved Yes
CE Certified Yes
RoHS Compliant Yes

Applications

  • Power Distribution Panels: Ensures dependable high-current connections for panelboards and feeders.
  • Industrial Machinery: Ideal for heavy-duty terminations in MCCs, switchgear, and motor control systems.
  • Renewable Energy Installations: Reliable for solar, ESS, and inverter applications.
  • Commercial Electrical Systems: Provides secure terminations for residential, utility, and maintenance applications.

Frequently Asked Questions (FAQs)

1. What wire size is compatible with this lug?
This lug is designed for 3/0 AWG copper conductors.

2. Can this lug be used in confined spaces?
Yes, the short barrel design makes it ideal for compact installations without sacrificing performance.

3. What is the rated temperature and voltage?
It is rated for 90°C and up to 35 kV applications.

4. Is it corrosion-resistant?
Yes, the tin-plated copper surface provides excellent corrosion and oxidation resistance.

5. Does it meet certification standards?
Yes, it is UL Approved, CE Certified, and RoHS Compliant for professional-grade installations.

© 2025 Conversions Tech. All Rights Reserved.

4 Reasons Pros Buy Direct from Conversions Tech

, we design, test, and ship every product from inside the United States— “” quality without the big-box markup.

Our , mold, and QA station behind our weatherproof boxes, conduit bodies, and power inverters. , UL-listed safety, and up to 30 % lower cost than .


Need a torque spec or an OEM quote at dawn? You’ll speak directly with the Conversions Tech engineering desk—not a script reader—for instant answers, custom kitting, and private-label options.

Bottom line: For rugged, code-compliant electrical solutions shipped fast from a trusted U.S. source, choose Conversions Tech and build it right the first time.

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CONVERSIONS TECH

Professional-grade electrical components, networking cables, and solar hardware for contractors, distributors, and OEM partners. Same-day shipping from Wyoming.

1 (307) 441-9711

CS@ConversionsTech.com

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UL 486A/B CSA NEC 2023 ABYC E-11 IEEE 837 BABA
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