Square D H325 - 400A, 240V, Heavy-Duty, Fusible, Safety Switch

Square D H325 - 400A, 240V, Heavy-Duty, Fusible, Safety Switch delivers dependable on/off isolation and robust overcurrent protection in demanding industrial and commercial settings. This fusible safety switch combines straightforward control with reliable protection, making it an ideal choice for motor disconnects, panelboards, and branch circuits that require a compact, maintainable solution.

Powerful protection in a compact footprint

• 400A at 240V—handles high-demand motors and electrical loads with confidence.
• Fusible design provides precise overload protection and fast fault clearance, helping minimize equipment damage.
• Heavy-duty construction built to endure challenging environments and frequent operation.
• Compact form factor fits within existing panels and restricted spaces without sacrificing performance.
• Maintainability features allow straightforward fuse replacement, reducing downtime and simplifying service.

Ideal applications

Perfect for motor disconnects, panelboards, and branch circuits where reliable isolation and protection are essential. The Square D H325 consolidates safety, control, and protection into a single, dependable unit, helping facilities streamline electrical distribution and maintain continuity of operation.

Why this safety switch stands out

Rather than relying on separate disconnects and protectors, the H325 delivers integrated on/off control with overcurrent protection in a rugged, fusible package. This integration reduces wiring complexity, shortens installation time, and provides a clear path for maintenance and fuse replacement—key advantages in busy industrial environments.

Specifications at a glance

• Model: H325
• Amperage: 400A
• Voltage: 240V
• Duty: Heavy
• Fusible: Yes

For teams designing or upgrading electrical distribution, the Square D H325 serves as a reliable, purpose-built solution that protects equipment, simplifies maintenance, and supports consistent performance across demanding applications.