Square D H261 - 30A, 600V, 2-Pole, Fusible, Disconnect Switch, NEMA 1

Meet the Square D H261 30A Fusible Disconnect Switch—a purpose-built solution for reliable on/off isolation with added overcurrent protection in demanding industrial and commercial environments. This compact, maintainable switch is designed to keep electrical systems safe, accessible, and easy to service when it matters most.

Key specifications at a glance

• Model: H261
• Amperage: 30A
• Voltage: 600V
• Poles: 2-Pole
• NEMA Rating: NEMA 1
• Fused: Fusible

Why choose a fusible disconnect like the H261?

Designed for environments where dependable isolation and protection are non-negotiable, the H261 combines a robust disconnect switch with integrated fusing. The two-pole configuration ensures complete line isolation, making it ideal for motor disconnects, panelboards, and branch circuits that demand both disconnect capability and overcurrent protection in a single unit. The NEMA 1 enclosure rating signals suitability for indoor, general-purpose installations where dust protection and ease of maintenance are priorities.

Distinctive benefits you’ll notice in real-world use

• Compact, maintainable design: The fusible switch approach minimizes component count while offering straightforward fuse replacement, reducing downtime during maintenance windows.
• Clear isolation for safety: Two poles provide independent control of both conductors, delivering dependable shutdowns for servicing motors, drives, and feeders.
• Integrated protection for circuits: Fusible elements add overcurrent protection right at the disconnect, helping safeguard downstream equipment and wiring from overloads.
• Versatile indoor application: NEMA 1 enclosure supports general indoor use in control rooms, service panels, and equipment rooms where environmental exposure is limited.

Ideal use cases

• Motor control: Deploy the H261 as the main disconnect for small to mid-size motors, providing both isolation and fuse-based protection.
• Panelboard protection: Use in distribution boards where a compact, easy-to-service switch is preferred over multiple components.
• Branch circuit protection: Pair with critical feeders to quickly de-energize and protect downstream devices during maintenance or fault conditions.

Practical guidance for deployment

When integrating the Square D H261, ensure compatibility with your system’s fuse type and rating, and respect indoor NEMA 1 installation requirements. This unit is designed to be part of a streamlined protection strategy—one where quick isolation, reliable protection, and ease of maintenance align with uptime and safety goals.

In summary, the Square D H261 30A 600V 2-Pole Fusible Disconnect Switch delivers dependable isolation, integrated overcurrent protection, and a compact, maintainable footprint ideal for motor disconnects, panelboards, and branch circuits in indoor environments. It’s a practical, purpose-driven choice for professionals who value safety, serviceability, and a streamlined protection solution.