Square D QMJ361T - 30A, 600V, Fusible Bus Plug

Square D QMJ361T Fusible Bus Plug — a rugged, ready-to-install component designed to deliver reliable protection in demanding industrial and commercial power-distribution setups. With a 30A rating and a 600V maximum, this fusible bus plug slots into busway and panelboard networks to safeguard feeders and keep critical equipment online.

The QMJ361T is specifically built for applications where dependable protection and easy retrofits matter. Whether you’re updating aging infrastructure, expanding a facility, or performing routine maintenance, this model provides a drop-in solution that aligns with Square D’s busway and panelboard ecosystems.

• Exact electrical specs: 30A current rating; 600V voltage rating; designed for fusible protection in power-distribution paths.
• Seamless compatibility: Ideal for Square D busway and panelboard systems, reducing installation guesswork and ensuring consistent protection across your distribution network.
• Hard-to-find utility: A practical choice for maintenance, repair, and retrofit projects where precise busplugs are required to maintain protection schemes.
• Reliability in tough environments: Built to withstand industrial and commercial settings, helping minimize downtime and protect downstream equipment.
• Retrofit-friendly: Supports modernization efforts by providing a familiar, plug-in protection option that fits existing infrastructure without major rewiring.

Ideal users include facility engineers, plant electricians, and maintenance teams working on process equipment, commercial facilities, and manufacturing lines. This bus plug helps you manage risk, simplify stock management (by sticking with a trusted Square D part number), and keep power distribution consistent across upgrades.

Tips for use: Confirm exact compatibility with your busway or panelboard model before installation. Follow your equipment documentation for fuse type and replacement intervals, and rely on qualified personnel to install and service fusible protection devices to ensure safety and compliance.