Copper Long Barrel One Hole Compression Lug 3/0 AWG 5/16-inch Bolt Size
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SKU: 210-98072A
1000 in stock
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Conversions Tech 3/0 AWG Copper Compression Lug — 5⁄16″ Stud, Orange Color Code | UL / CE / RoHS / BABA Compliant
The Conversions Tech 3/0 AWG Copper Compression Lug is engineered for strength, conductivity, and corrosion resistance in high-demand electrical systems. Featuring a 5⁄16-inch stud and long-barrel design, this tin-plated copper lug ensures dependable, low-resistance terminations in industrial, commercial, and renewable-energy installations. Its orange color code simplifies identification for 3/0 AWG conductors, while the solid design (no sight window) offers a clean, streamlined appearance for professional wiring applications.
Manufactured from seamless electro-tin-plated copper and tested to UL, CE, and RoHS standards, this lug combines electrical efficiency and mechanical stability under extreme conditions. BABA compliance ensures it meets U.S. manufacturing standards for federally funded projects while delivering global performance quality.
Key Features
- Seamless Tin-Plated Copper: Provides high conductivity and superior corrosion resistance for long-term reliability.
- Orange Color Code: Easy identification during installation for 3/0 AWG conductors.
- Long Barrel Design: Offers enhanced pull-out strength and consistent crimping performance.
- 5⁄16″ Stud Size: Standard mounting for a variety of terminals and grounding applications.
- 35 kV Voltage Rating: Suitable for high-voltage electrical and industrial systems.
- High Current Capacity: Rated up to 310 amps for reliable power delivery.
- Tin Plating: Protects against oxidation, ensuring optimal performance in corrosive environments.
- UL / CE / RoHS / BABA Certified: Meets global compliance and domestic sourcing standards.
Technical 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″) |
| Terminal 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 • BABA Certified |
| Origin | USA *Stock product may be sourced elsewhere. |
Applications
- Power distribution and industrial control panels
- Automotive, marine, and EV power systems
- Renewable energy arrays and storage batteries
- Switchgear and transformer terminations
- Grounding and bonding systems
The Conversions Tech 3/0 AWG Copper Compression Lug delivers unmatched conductivity, strength, and corrosion protection. Certified to UL, CE, and RoHS standards — and BABA compliant — it’s the trusted choice for critical electrical and industrial power connections.
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.
