Powering reliability with the 11kV adaptor and coupler
Across the mining and infrastructure industries, reliability and safety are critical. Equipment failures can lead to costly downtime, meaning every component must perform flawlessly under pressure. CMI Electrical’s Minto 11kV 800A Aluminium Adaptor and Coupler has been engineered to meet these challenges head-on, delivering durability, efficiency and confidence.
The assembly combines advanced materials and an innovative design to ensure superior performance. Teflon phase insulators provide exceptional dielectric strength, while silver-plated copper phase pins guarantee maximum conductivity and reduced contact resistance. These features work together to maintain consistent power flow.
Maintenance efficiency is another key advantage. The Minto design incorporates Morse-taper bolted connections, allowing phase pins to be replaced without dismantling the entire assembly. This significantly reduces maintenance time and cost, helping operators keep equipment online and productive.
Additionally, safety has been built into every detail. The coupler includes a non-contact voltage window, enabling quick verification of voltage presence with a non-contact detector. Testing can be performed above 3.3kV when unfilled and from 4kV when filled.
Designed for diverse industry environments, the coupler is certified to IP66/68, providing protection against dust and water ingress. The coupler weighs 22kg and the adaptor 13.5kg, ensuring ease of handling. Both the adaptor and the coupler are dimensioned to meet the Type A plug requirements specified in AS1299-2022.
By combining advanced insulation, optimised conductivity and maintenance-friendly design, the Minto 11kV Adaptor and Coupler sets a benchmark for reliability across mining and infrastructure industries. For more information on the Minto 11kV Adaptor and Coupler, contact CMI Electrical on (02) 9807 6155.








