Square D QMB2220 - 200A, 240V, 2-Pole, Switch

The Square D QMB2220 is a rugged, reliable 2-pole switch engineered for on/off isolation and overcurrent protection in demanding industrial and commercial settings. With a 200A rating at 240V, this fusible switch delivers solid current control where space is at a premium and downtime isn’t an option.

Why the QMB2220 stands out

• 200A, 240V, 2-Pole design — compact, capable power control for demanding circuits.
• Fusible switch architecture — built for integrated overcurrent protection and straightforward protection strategy for feeders and motor circuits.
• Compact, maintainable footprint — ideal for panelboards and motor disconnects where space is tight and serviceability matters.
• Rugged performance — engineered to endure the rigors of busy electrical rooms and industrial environments.
• Designed for practical maintenance — supports accessible servicing to minimize downtime and keep critical lines energized when needed.

Ideal applications

• Motor disconnects in small to mid-size equipment suites
• Feeder protection and isolation for panelboards
• Branch circuit protection in compact electrical installations
• Space-constrained electrical rooms where a reliable, easy-to-service switch is essential

Who benefits most

• Electrical contractors specifying robust, maintainable protection for commercial or industrial builds
• Facilities managers and maintenance teams seeking dependable isolation points to minimize downtime
• Manufacturing, HVAC, water treatment, and logistics environments that demand durable, space-efficient power control devices

Practical guidance for use

• Pair the QMB2220 with appropriate fuse elements to ensure optimal overcurrent protection for the connected load.
• Group with compatible panelboards and feeders to simplify wiring runs and maintenance access.
• Follow standard lockout/tagout procedures and ensure only qualified personnel perform maintenance or fuse replacements.
• Verify voltage and current ratings match the protected circuit to maintain reliable operation and safety.

Choose the Square D QMB2220 when you need a compact, dependable 2-pole disconnect switch that delivers clear isolation, dependable protection, and easier service in busy electrical environments.