Siemens 3TA1QR300 Lug Terminal Kit – QR Series, 2/0-300 kcmil Aluminum

Heavy-Duty Terminal Solution for QR Frame Circuit Breakers

The Siemens 3TA1QR300 is a field-installable lug terminal kit designed for QR frame molded case circuit breakers. This single-barrel aluminum terminal accommodates 2/0 to 300 kcmil conductors, providing secure, high-current connections in industrial power distribution systems.

Key Features

✔ 300 kcmil Capacity - Handles large aluminum conductors
✔ QR Frame Compatible - Engineered for Siemens QR-series breakers
✔ Field-Installable - Simplifies maintenance and upgrades
✔ Aluminum Construction - Corrosion-resistant for long-term reliability

Technical Specifications