ABB Thomas & Betts Color-Keyed Copper One-Hole Metric Lug — Standard Barrel, 300mm2, 20mm Bolt
The ABB Thomas & Betts Color-Keyed Model MCC300M20 is a heavy-duty copper one-hole metric compression lug with standard barrel and peep hole, rated up to 35kV. Designed for large 300mm2 metric conductors with a 20mm bolt, this tin-plated lug handles the highest metric conductor sizes for utility and industrial power applications.
Key Specifications
- Product Type: Copper One-Hole Metric Lug — Standard Barrel
- Wire Size: 300mm2
- Bolt Size: 20mm
- Maximum Voltage Rating: 35kV
- Finish: Tin-Plated
- Model: MCC300M20
- UPC: 78621095811
- Brand: ABB Thomas & Betts Color-Keyed
Features
- Accommodates large 300mm2 metric conductors — equivalent to approximately 600 kcmil
- 20mm bolt size for compatibility with heavy-duty metric fasteners in large utility equipment
- Peep hole allows visual confirmation of complete wire insertion before crimping
- Standard barrel for consistent, reliable compression terminations
- Tin-plated copper for corrosion and oxidation resistance
- Rated for high-voltage applications up to 35kV
Applications
Designed for large-capacity metric electrical installations in utility substations, power transformers, and industrial switchgear that use IEC metric conductor sizes. Commonly used with European-specification or imported high-voltage equipment requiring large metric conductors and hardware.


