Square D QMB2220 - 200A, 250V, 2-Pole, Fusible Bus Plug

The Square D QMB2220 Fusible Bus Plug delivers dependable, modular protection for demanding electrical distributions in industrial and commercial settings. Sized for 200A at 250V and configured as a 2-pole unit, this fusible bus plug slides into busway and panelboard systems to provide precise, localized overcurrent protection where you need it most. When upgrades, repairs, or retrofits are on the agenda, this reliable plug keeps critical power paths ready with minimal disruption. Key specifications - Brand: Square D - Model: QMB2220 - Type: Fusible Bus Plug - Amperage: 200A - Voltage Rating: 250V - Phase / Poles: 2-Pole - Application: Busway and panelboard power distribution systems - Typical use: Industrial plants, commercial facilities, process equipment, retrofit projects - Ideal for maintenance, repair, and upgrade projects requiring compatible, hard-to-find busplugs Why this bus plug stands out - Purpose-built for reliability in tough environments: engineered to handle the continuous demands of industrial power distribution without compromise. - Facilitates precise protection: the fusible design gives you targeted overcurrent protection exactly where the circuit requires it, helping to prevent damage to downstream equipment. - Retrofit-friendly and supplier-ready: a practical choice when replacing aging bus plugs or expanding a system, ensuring compatibility with existing busway and panelboard configurations. - Keeps downtime to a minimum: designed for straightforward integration into established distributions, so maintenance and upgrades stay on schedule. Ideal applications and use cases - Industrial plants that rely on robust, scalable busway systems and need dependable 200A protection at 250V. - Commercial facilities undergoing capacity upgrades or system modernization, where hard-to-find busplugs are needed to complete the installation. - Process equipment environments that require rapid, reliable fusible protection to safeguard critical line-side components. - Retrofit projects that must maintain existing wiring layouts while upgrading protection and distribution capabilities. What problems this product solves - Short on compatible fusible bus plugs? The QMB2220 is purpose-built to fit Square D busway ecosystems, reducing search time and installation headaches. - Downtime from protection component replacement? With a dedicated 200A, 2-pole fusible plug, you get a straightforward, predictable replacement path that minimizes service interruptions. - Complex upgrades requiring precise compatibility? Its 2-pole, 200A, 250V specification aligns with common commercial and industrial configurations, simplifying planning and procurement. Practical tips for installation and care - Verify system compatibility: confirm that your busway or panelboard design matches the 2-pole, 200A, 250V configuration before installation. - Plan for maintenance windows: have spare fusible elements accessible to speed future changes without extended outages. - Use as part of a disciplined protection strategy: pair with proper conductors and overcurrent protection schemes to maximize system reliability. This Square D QMB2220 Fusible Bus Plug is a purpose-driven choice for professionals who need a dependable, compatible, and upgrade-ready solution for industrial and commercial power distribution.