Square D D223NRB - 100A, 240V, 2-Pole, Safety Switch

The Square D D223NRB is a robust 100A, 240V, 2-Pole Safety Switch designed to deliver reliable on/off isolation and overcurrent protection in demanding industrial and commercial environments. Built for dependable motor disconnects and branch circuit protection, this compact switch combines safety, maintainability, and straightforward field service in a single, rugged package.

What makes it stand out

• Reliable isolation and protection—provides clear, safe disconnection between supply and load, helping prevent equipment damage and ensuring a safe maintenance workflow.
• 100A, 240V, 2-Pole configuration—compact footprint with two upright poles that handle typical motor loads and branch circuits with ease.
• Compact, maintainable fusible switch design—engineered for straightforward servicing and fuse replacement, reducing downtime and keeping critical equipment online longer.
• Industrial-grade robustness—built to perform in busy commercial spaces and industrial settings where reliable protection is non-negotiable.
• Versatile in panel layouts—ideal for motor disconnects, panelboards, and branch-circuit protection, enabling clean, organized electrical distribution.

Ideal applications

Use the D223NRB in environments where dependable motor control and circuit protection matter most. It’s well-suited for:

• Motor disconnects in manufacturing floors, processing lines, and HVAC systems
• Panelboards requiring a compact, easily serviceable safety switch
• Branch circuits that demand rapid, safe isolation for maintenance or service work

Technical overview

• Model: D223NRB
• Amperage: 100A
• Voltage: 240V
• Poles: 2-Pole

Why choose this safety switch

Opt for the Square D D223NRB when you need a dependable, easy-to-maintain safety switch that won’t slow down your operation. Its fusible design offers robust overcurrent protection, while the two-pole configuration delivers clear isolation for safe servicing. In environments where space is at a premium, the compact form factor ensures you can fit it where other switches won’t, without compromising on protection or performance.

Practical tips for best results

• Plan for straightforward fuse replacement by choosing a configuration that keeps spares accessible on-site.
• Pair this safety switch with a well-documented lockout/tagout process to maximize maintenance safety around motor-driven equipment.
• Coordinate with your panelboard layouts to optimize wire routing and minimize disruption during installation or service.